Reyco

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Dedicated to the Memory of Donald Brecht

Donald (Don) Brecht was born on February 8, 1935 in Philadelphia toAgnella and Lewis Brecht. Following graduation in 1954 fromFrankford High School in Philadelphia, Don immediately entered theUnited States Army. He served most of his tour of duty in Okinawabefore leaving the service in 1957. That year he began working for J.E.Lonergan as an expediter while he attended night school at Penn. StateUniversity. In November of his second year at university, Don marriedDoris Maul and had two daughters, Linda and Carol. He graduated

from Penn. State in 1963 with degrees in management and engineering.

Meanwhile, Don was moving up the ladder at J.E. Lonergan fromexpediter, to salesman, to eventually vice president of sales. He wasinstrumental in the design, marketing, and utilization of Lonerganvalves worldwide. In October 1991 he was named the Valve Manufac-turers Association Man of the Year, honoring his over 35-year careeras an industry leader and innovator.

The contents of this catalog represent one of Dons many engineeringadvances in valve design that revolutionized the process industry. In theearly 1960s, Don headed Lonergans effort to develop and market auniquely designed ASME Section VIII process valve that conformed to

API 526. In recognition of his contribution, the company assigned theseries the designation D and DB.

Without change, we are proud to offer the D / DB series of safety relief

valves under the Reyco nameplate.

Donald Lewis BrechtFebruary 8, 1935 January 31, 1995

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Reyco - R Series Catalog 2002 CSI International

API 526

Safety Relief Valves

Reyco Series R/RBLonerganSeries D/DB

Reyco - Series R

Lonergan

- Series D

Reyco - Series RB

Lonergan- Series DB

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2 2002 CSI InternationalReyco - R Series Catalog

Reyco Pressure Relief Valves

The Reyco line of direct spring acting pressure

relief valves utilizes sound engineering principles

and undergoes thorough testing and continuous

quality control in manufacturing. These measures

ensure that Reyco valves deliver the precision,

durability and value our customers expect anddemand.

About CSI International

The personnel at CSI International, Inc. has been

serving the process industry with a full line of

products and services for over 35 years

In addition to Reyco safety relief valves, CSI

International manufactures a full line of products

and services for the process industry including:

control valves, level switches and controls, ther-

mal sensing equipment, orifice plates and flanges,

thermometers, and gauges.

CSI Internationals family of products meet or

exceed industry standards for precision and

reliability.

For more information about the complete line of

CSI International products and services, visit our

web site or contact the sales representative nearest

you.

www.csiionline.com

CSI International

P.O. Box 266307

Houston, TX 77207

Phone: 713-845-1500

Fax: 713-845-1515

Built to established industry standards, Reyco

valves meet ASME codes and are interchangeable

with Lonerganvalve products.

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Direct Spring Acting Pressure Relief Valve

Table of Contents

Operating Principles ......................................................................................................... 4

Features and Benefits ........................................................................................................ 6Product Overview ............................................................................................................. 7Model Number Guide ...................................................................................................... 8

R/RB Valve Selector

D Orifice ....................................................................................................................... 10

E Orifice ........................................................................................................................ 11F Orifice ........................................................................................................................ 12G Orifice ....................................................................................................................... 13H Orifice ....................................................................................................................... 14J Orifice ......................................................................................................................... 15K Orifice........................................................................................................................ 16

L Orifice ........................................................................................................................ 17M Orifice ....................................................................................................................... 18N Orifice ....................................................................................................................... 19P Orifice ........................................................................................................................ 20Q Orifice ....................................................................................................................... 21R Orifice ........................................................................................................................ 22T Orifice ........................................................................................................................ 23

RS Series - ASME Section VIII Steam ServiceRS10 - ANSI 150 Class................................................................................................ 24

RS30 - ANSI 300 Class and RS50 - ANSI 600 Class ............................................... 25

Standard Bill of MaterialsR and NR Series .......................................................................................................... 26RB and NRB Series ..................................................................................................... 27RS Series ....................................................................................................................... 28

Corrosive Applications - R, RB, RO, and RBO SeriesCarbon/Stainless Steel Bill of Materials .................................................................. 29MonelBill of Materials ............................................................................................. 30HastelloyC Bill of Materials ................................................................................... 31

Corrosive Application for Offshore

R Series Duplex SS Bill of Materials......................................................................... 32

Corrosive Application for Low Temperature

NACE Bill of Materials .............................................................................................. 33

AccessoriesLifting Levers............................................................................................................... 34Drip Pan Elbow, Indicator, Bolted Cap, and Steam Jacket .................................. 35Lift Lever Materials .................................................................................................... 36Test Gags ...................................................................................................................... 39O-ring Seat Seals ......................................................................................................... 40O-ring Selector Chart.................................................................................................. 41

Sizing and Selection .......................................................................................................... 42

R,R,R,R,R,NR,NR,NR,NR,NR,NRBNRBNRBNRBNRB,,,,,RBRBRBRBRB,,,,,RSRSRSRSRS,,,,,RRRRROOOOO,,,,,and RBO Seriesand RBO Seriesand RBO Seriesand RBO Seriesand RBO Series

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Series R/RB Operating Principles

The Series R/RB pressure relief

valve consists of a nozzle

threaded into a cast body hous-

ing which is flanged to a pres-

surized system. A disc is held

against the nozzle by a spring,which is contained in a cast

bonnet. The spring is adjusted

by a compression screw to

permit the calibration of open-

ing or set pressure. An adjust-

able nozzle ring, threaded onto

the nozzle, controls the geom-

etry of the fluid exit control

chamber (huddling chamber).

The huddling chamber geom-

etry is very important in con-trolling valve opening and

closing pressures and stability

of operation. The nozzle ring is

locked into position by a ring

pin assembly. A cap attached to

the top of the bonnet seals the

internal calibration adjustments.

Refer to the illustration at left

for the location of these impor-

tant components.

Under normal system operation

the valve remains in the closed

position because the spring force

(Fs) is greater than the system

pressure acting on the internal

nozzle seating area (PA). If

system pressure increases to a

point when these forces are

equal, set pressure is reached.

The disc lifts and fluid flows

through the valve. When pres-sure in the system returns to a

safe level, the valve closes.

Just prior to reaching set point,

the pressure relief valve leaks

system fluid into the huddling

chamber. The fluid now acts on

a larger area of the disc inside

the huddling chamber (PAh),causing the valve to experience

an instantaneous increase in the

opening force. Refer to the

figure on page 5 to see relation-

ship between Nozzle Area (A)

and the Huddling Chamber

Area (Ah). System pressure

acting on the larger area will

suddenly open the safety relief

valve at a rapid rate.

Although the opening is rapid

and dramatic, the valve does

not open fully at set point. The

system pressure must increase

above the set point to open the

valve to its full lift and capacity

position. Maximum lift and

certified flow rates will be

achieved within the allowable

limits (overpressure) established

by various codes and standards.All pressure relief valves are

allowed an overpressure allow-

ance to reach full rated flow.

The allowable over pressure can

vary from 10% to 21% on

unfired vessels and systems,

depending on the sizing basis,

number of valves, and whether

a fire condition is encountered.

Spring FSpring FSpring FSpring FSpring Forororororce Fsce Fsce Fsce Fsce Fs

PrPrPrPrPressuressuressuressuressure Fe Fe Fe Fe Forororororce Pce Pce Pce Pce PAAAAA

HuddlingHuddlingHuddlingHuddlingHuddlingChamberChamberChamberChamberChamber

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Once the valve has controlled

the pressure excursion, system

pressure will start to reduce.

Since the huddling chamber

area is now controlling the exit

fluid flow, system pressuremust reduce below the set point

before the spring force is able to

close the valve. The difference

between the set pressure and

the closing pressure is called

blowdown, and is usually

expressed as a percentage of set

pressure. The typical blowdown

of the Series R/RB can vary

from 7% to 10%, the industry

standard.

In the Series R/RB, the nozzle

ring adjustment changes the

shape and volume of the hud-

dling chamber, and its position

will affect both the opening and

closing characteristics of the

valve. When the nozzle ring is

adjusted to its top position, the

huddling chamber is restricted

to its maximum. The Series R/RB will usually pop very dis-

tinctly with a minimum simmer

(leakage before opening), but

the blowdown will increase.

When the nozzle ring is lowered

to its lowest position, minimal

restriction to the huddling

chamber occurs. At this posi-

tion, simmer increases and the

blowdown decreases. The final

ring position is somewherebetween these two extremes to

provide acceptable performance.

Liquid Service Operation

On liquid service, a different

dynamic situation exists. Liq-

uids do not expand when

flowing across orifices, and a

small amount of fluid flowacross the nozzle will produce a

large local pressure drop at the

nozzle orifice. This local pres-

sure drop causes the spring to

reclose the valve if the fluid flow

is minimal. Liquids leaking into

the huddling chamber can

quickly drain out by gravity and

prevent fluid pressure from

building up in the secondary

area of the huddling chamber.Liquid relief valves are thus

susceptible to a phenomenon

called chatter, especially at low

fluid flow rates. Chatter is the

rapid opening and closing of the

pressure relief valve and is

always destructive.

The unique design of the Series

R/RB disc holder and nozzle

ring retains the fluid within thehuddling chamber, without

conversion to a special liquid

trim. ASME Code Section VIII

performance criteria of full

rated liquid flow at 10% over-

pressure is met with the stan-

dard trim, unlike all other

major manufacturers.

Since no visible or audible pop

is heard at set point, the SeriesR/RB liquid set pressure is

defined as the pressure when

the first heavy flow occurs (a

stream of water falls off the

outlet flange and remains un-

broken for about one inch).

RRRRRelaelaelaelaelationship oftionship oftionship oftionship oftionship of NoNoNoNoNozzlezzlezzlezzlezzleArArArArArea to Hudea to Hudea to Hudea to Hudea to Huddlingdlingdlingdlingdling

ChamberChamberChamberChamberChamber ArArArArAreaeaeaeaea

FFFFFluid Exitluid Exitsluid Exitluid Exitsluid Exit

HuddlingHuddlingHuddlingHuddlingHuddling

ChamberChamberChamberChamberChamber

VVVVValvalvalvalvalv e Opense Opense Opense Opense Opens,,,,, FFFFForororororce Pce Pce Pce Pce PAhAhAhAhAh Acting on DisActing on DiscActing on DisActing on DiscActing on Dis

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Single trim for all services

provides full capacity at 10%

overpressure for liquid,steam

or vapor applications without

additional parts.

Reversible disc provides aspare part in every valve.

Nozzle threads at top ensure

better nozzle/body alignment

and reduce maintenance

effort.

Disc retention by ring elimi-

natespotential of thread

corrosion and need for special

maintenance tool.

Standard Inconel625 Bel-

lows offers better corrosionresistance than 316L SS at no

extra cost.

Springs within a pressure class

and orifice size are designed

with a fixed I.D. to eliminate

the need to custom-machine

steps for each spring.

Identical nozzle ring for each

orifice size regardless of

pressure range or seat design

reduces parts variations,except in RB Series F orifice.

In the soft seat option, the

spring load is applied directly

to the metal seat, increasing

service life of the O-ring. The

soft seat disc retains the metal

seat on its reversible side.

General Specifications

ASME VIII UV and ASME III

N symbols API 526 full compliance

1-inch D 2-inch through 8-inch

T 10-inch

[25mm D 50mm through

200mm

T 250mm]

Optional soft seats

CS, Alloy Steel and 316 SS are

standard materials

Lift levers, test gags, steam

jackets and other accessoriesavailable

Monel, HastelloyC and

Duplex SS materials for

corrosive applications

NACE MR-0175 compliance

Cryogenic materials available

Oxygen cleaning (LOX, GOX)

available

Technical Data

R SeriesConventional design

NR model for nuclear service

RB Series

Balanced bellows design

NRB model for nuclear service

RS Series

Open bonnet for steam service

ASME VIII only

RO Series

Conventional design, soft seat

RBO Series

Balanced bellows design, soft

seat

JR or JRB Series

Steam jacketed valves

Features and Benefits

Notes

1. Inconel and Monelare registered trademarks of International Nickel Company.

2. Hastelloyis a registered trademark of Haynes International.

3. Pressure ratings on pages 10-23 are based on A216-WCB materials. Consult ANSI B16.34 for

pressure ratings of other material s, (316, Monel, Hastelloy, WC6, etc.).

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Markets Served Refineries

Chemicals

Petrochemicals

Hydrocarbon Processing

Thermal and Cogeneration Power

Marine and Government Pulp and Paper

Nuclear

Oil and Gas - Onshore and Offshore

Media Served Steam

Gases

Vapors

Liquids

Corrosive and toxic fluids

Code and Standards Compliance

ASME Code Section VIII ASME Code Section III

National Board Capacity Certifica-

tions

API Standard 526

API Standard 527

Design Scope

Sizes 1D2 [25mm D 50mm] to 8T10

[200mm T 250mm]

Flange Classes ANSI 150 - ANSI 2500

in accordance with the limits of API

Standard 526. Set pressures from 3

psig [0.2 barg] to 6000 psig [414 barg] Temperatures from -400F to +1000F

[-240C to +538C]

Nineteen standard material variations

for corrosive, toxic, or unique appli-

cations

Valve Types

Model R is a conventional, top

guided, single ring, full nozzle,

unbalanced pressure relief valve.

Model RB is a balanced bellows

valve.

Model RO is the model R with an

elastomer soft seat for improved

seat leakage protection.

Model RBO is the model RB with soft

seat.

Model RS is an open yoke pressure

relief valve with a plain lever cap

style for steam service.

Product Overview

Model JR or JRB is a steam jacketed

valve for applications involving

viscous or polymerizing fluids.

Model NR or NRB is the correspond-

ing model meeting the requirements

of ASME III.

Cap Styles Screwed cap

Plain lift lever cap

Packed lift lever

Bolted cap

Optional test gag screws

Yoke type gag, Model TYW-3 or

TYW-5 for plain lever caps

All R/RB models use a threaded

stem and a drilled/tapped bonnet to

permit easy cap conversions in the

field without internal parts change

out.

NACE MR-0175 (H2S) Service Three bill of material levels

Level 1 for compliance of wetted

parts in closed position

Sour gas trim for CS valve in H2S

environment

SS trim for SS valve in H2S environ-

ment

Advanced Design All Media Trim One trim design meets the ASME

Code Sections VIII and III perfor-mance criteria for steam, gas, vapor,

and liquid applications. No special

liquid trim is required, as is required

in competitive designs.

The unique disc holder and nozzle

ring design provides stable opera-

tion on steam, gases, vapors, and

liquids.

Full capacity rating at 10% overpres-

sure

Conversion liquid trim is not neces-

sary, reducing spare parts.

Superior Internal Alignment

The nozzle threads into the valve

body at the body bowl. The thread

alignment is closer to the critical

seating surface and guiding surfaces.

Superior Corrosion Resistant Bellow

Standard Inconel 625 provides

excellent corrosion resistance and

mechanical toughness.

No stress corrosion cracking in ha

environments involving sour gas

(H2S) or chlorides The bellows threads on the disc

holder with a locknut and gasket.

No welded attachment permits lo

cost replacement of the bellows.

Advanced Design to Reduce SpareP The standard disc is reversible to

provide a spare seating surface on

every part.

Every O-ring soft seated disc reta

the standard metal seating surface

on the reverse side.

The lower half of the stem assembcalled the Point, is not integral wi

the disc holder. This permits lowe

cost of replacement for a critical

guiding component. Competitor

designs incorporate the guiding

surface on the disc holder shaft.

Springs within an orifice and pres

sure class are designed with a fixe

inside diameter to eliminate custo

machined spring steps.

The nozzle ring is common to all

pressure ranges or seat designs

within an orifice size, reducing sp

parts.

Cost of Ownership When considering the total cost o

continued operation, maintenance

and spare parts, the Series R/RB i

the leader. It delivers exceptional

performance through state of the

design features, and provides rea

value to its users. Backed by our e

tensive repair and service organiz

tion network, customers receive hquality safety products which

continue the unequaled reputatio

of CSI International - Reycoas th

leader in pressure relief valves.

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R Series Model Number Guide

Valve TypeR - Conventional Valve, ASME VIII, Enclosed SpringNR - Conventional Valve, ASME III, Enclosed SpringRB - Balanced Bellows, ASME VIII, Enclosed SpringNRB - Balanced Bellows, ASME III, Enclosed SpringRO - O-ring Seat, Conventional ASME VIIIRBO - O-ring Seat, Balanced Bellows, ASME VIIIRS - Open Yoke, ASME VIII, Exposed SpringJR - Conventional Valve, ASME VIII, with Steam-jacketed Body

JRB - Balanced Bellows, ASME VIII, with Steam-jacketed Body

Inlet/Outlet Connections1 - ANSI 150 x ANSI 150 5 - ANSI 600 x ANSI 1501

2 - ANSI 300 (285 psig maximum) 7 - ANSI 900 x ANSI 150 or ANSI 900 x ANSI 300[19 barg] x ANSI 150 8 - ANSI 1500 x ANSI 300

3 - ANSI 300 x ANSI 150 9 - ANSI 2500 x ANSI 300

Temperature Range (applies to S0/S1/S2/S5 material variations only)0 - -20F to +450F [-29C to +232C] CS Body/Bonnet/Spring (RS Series +750F [399C] max.)2 - +451F to +800F [+232C to +427C] CS Body/Bonnet/Alloy Spring

3 - +800F to +1000F [+427C to +538C] Alloy Steel Body/Bonnet/Spring

Orifice Size - in2[cm2]D - .110 [.71] J - 1.287 [8.30] P - 6.38 [41.16]E - .196 [1.26] K - 1.838 [11.85] Q - 11.05 [71.29]F - .307 [1.98] L - 2.853 [18.40] R - 16.00 [103.22]G - .503 [3.24] M - 3.60 [23.23] T - 26.00 [167.74]H - .785 [5.06] N - 4.34 [28.00]

Material and TrimS0 - 17-4 PH SS Disc, 316 Nozzle, CS Body, Bonnet, Spring (-20F to +750F) [-29C to +399C]S1 - 316 SS Disc, Nozzle, CS Body, Bonnet, Spring (-20F to +750F) [-29C to +399C]S2 - 316 SS All Trim (-20F to +800F) [-29C to +427C]S3 - 316 SS All Trim Plus Body, Bonnet, Cap (-20F to +1000F) [-29C to +538C]

S4 - 316 SS Entire Valve (-75F to +1000F) [-59C to +538C]S5 - 316 SS All Parts Below Bellows (-20F to +800F) [-29C to +427C]H1 - HastelloyC Disc, Nozzle (-20F to +800F) [-29C to +427C]H2 - HastelloyC All Trim (-20F to +800F) [-29C to +427C]H3 - HastelloyC All Trim Plus Body, Bonnet, Cap (-20F to +750F) [-29C to +399C]H4 - HastelloyC Entire Valve (-20F to +750F) [-29C to +399C]H5 - HastelloyC All Parts Below Bellows (-20F to +800F) [-29C to +427C]M1 - MonelDisc, Nozzle (-20F to +800F) [-29C to +427C]M2 - MonelAll Trim (-20F to +800F) [-29C to +427C]M3 - MonelAll Trim Plus Body, Bonnet, Cap (-20F to +750F) [-29C to +399C]M4 - MonelEntire Valve (-320F to +750F) [-195C to +399C]M5 - MonelAll Parts Below Bellows (-20F to +800F) [-29C to +427C]L3 - Low Temperature Trim (-76F to -400F) [-60C to -240C]SG - NACE MR-0175 (-20F to +800F) [-29C to +427C]

SS - 316 SS Entire Valve for NACE MR-0175 (-400F to +1000F) [-240C to +538C]D4 - Duplex SS Entire Valve (-400F to +750F) [-240C to +399C]U1 - ASME III Safety Related - 10CFR50 Appendix B without Code Symbol - S1 TrimU4 - ASME III Safety Related - 10CFR50 Appendix B without Code Symbol - S4 Trim

R 1 0 D S1 (Model number continued on next page.)

Examples:R-33HS122ALF

NRB10FS420-EG

RB10EH124-KS

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Caps and Accessories18 - Bolted Cap without Gag19 - Bolted Cap with Gag20 - Screwed Cap without Gag21 - Screwed Cap with Gag22 - Plain Lever Cap without Gag23 - Plain Lever Cap with Gag24 - Packed Cap without Gag25 - Packed Cap with Gag99 - All Other Materials, Caps or Accessories

Note: Codes 18-25 apply to standard construction only, metal seat, flange type

Design Revision - For RB, RBO (D, E orifice only)

A - For all other model, sizes

ServiceD - ASME III Liquids L - ASME VIII Steam (limited to 2900 psig [200 barg])E - ASME III Gas, Vapors M - Non Code LiquidJ - ASME VIII Liquids N - Non Code Gas, Vapor

K - ASME VIII Gas, Vapors P - Non Code Steam

Spring MaterialB - Inconel X750 P - Steel, Aluminized (NACE standard for models RB, RBO)F - High Temp Tungsten Alloy R - Monel G - 316 SS S - Steel, Aluminum CoatedK - Hastelloy C

Set Pressure0050 - 50 psig0200 - 200 psig1500 - 1500 psig

20 A K S 0200

Not es

1. For 8T10, Inlet/Outlet Rating Code 5 is an ANSI 300 x ANSI 150,

not ANSI 600 x 150.

2. Temperature ranges may be adjusted with selection of alloy springs,

body, bonnet for material options S1, S2, S5, M1, M2, M5, H1, H2,

H5, SG.

3. Nuclear models NR and NRB not certified for ASME III steam

service.

4. Model RS is limited to ANSI 150-ANSI 600 Class only, standard CS

or Alloy Steel Body/Yoke.

5. The standard soft seat material in Models RO, RBO is Viton .

6. Viton is a registered trademark of the E.I. duPont de Nemours

Company.

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C

A

B

Specifications

VVVVValvalvalvalvalveeeee VVVVValvalvalvalvalve Modele Modele Modele Modele Model FFFFFlanglanglanglanglange Connectionse Connectionse Connectionse Connectionse Connections MaximMaximMaximMaximMaximum Set Prum Set Prum Set Prum Set Prum Set Pressuressuressuressuressureeeee MaximMaximMaximMaximMaximum Bacum Bacum Bacum Bacum Back Prk Prk Prk Prk Pressuressuressuressuressureeeee VVVVValvalvalvalvalve Dimensionse Dimensionse Dimensionse Dimensionse Dimensions WWWWWeeeeeSizeSizeSizeSizeSize Conv. Bellows ASA StandarASA StandarASA StandarASA StandarASA Standarddddd (psig) (psig @ 100F) (inches) (l

(inches) Inlet Outlet 100F 450F 800F 1000F Conventional | Bellows A B Max. C

1 x 2 R-10E RB10E 150 RF or RJ 150 RF 285 185 285 230 4 1/8 4 1 /2 20 40

1 x 2 R-12E RB12E 150 RF or RJ 150 RF 185 80 285 230 4 1/8 4 1 /2 20 40

1 x 2 R-20E RB20E 300 RF or RJ 150 RF 285 285 285 230 4 1/8 4 1 /2 20 43

1 x 2 R-22E RB22E 300 RF or RJ 150 RF 285 285 285 230 4 1/8 4 1 /2 20 43

1 x 2 R-30E RB30E 300 RF or RJ 150 RF 740 615 285 230 4 1/8 4 1 /2 20 45

1 x 2 R-32E RB32E 300 RF or RJ 150 RF 615 410 285 230 4 1/8 4 1 /2 20 45

1 x 2 R-33E RB33E 300 RF or RJ 150 RF 510 225 285 230 4 1/8 4 1 /2 20 45

1 x 2 R-50E RB50E 600 RF or RJ 150 RF 1480 1235 285 230 4 1/8 4 1 /2 20 45

1 x 2 R-52E RB52E 600 RF or RJ 150 RF 1235 825 285 230 4 1/8 4 1 /2 20 45

1 x 2 R-53E RB53E 600 RF or RJ 150 RF 1015 445 285 230 4 1/8 4 1 /2 20 45

1 1/2 x 2 R-70E RB70E 900 RF or RJ 300RF 2220 1845 600 500 4 1/8 5 1 /2 20 58

1 1/2 x 2 R-72E RB72E 900 RF or RJ 300RF 1845 1235 600 500 4 1/8 5 1 /2 20 58

1 1/2 x 2 R-73E RB73E 900 RF or RJ 300 RF 1525 670 600 500 4 1/8 5 1 /2 20 58

1 1/2 x 2 R-80E RB80E 1500 RF or RJ 300 RF 3705 3080 600 500 4 1/8 5 1 /2 20 58

1 1/2 x 2 R-82E RB82E 1500 RF or RJ 300 RF 3080 2060 600 500 4 1/8 5 1 /2 20 58

1 1/2 x 2 R-83E RB83E 1500 RF or RJ 300 RF 2540 1115 600 500 4 1/8 5 1 /2 20 58

1 1/2 x 3 R-90E RB90E 2500 RF or RJ 300 RF 6000 5135 740 500 5 1 /2 6 1 /2 22 1 /2 801 1/2 x 3 R-92E RB92E 2500 RF or RJ 300 RF 5135 3430 740 500 5 1 /2 6 1 /2 22 1 /2 80

1 1 /2 x 3 R-93E RB93E 2500 RF or RJ 300 RF 4230 1860 740 500 5 1 /2 6 1 /2 22 1 /2 80

R/RB Series Valve SelectorE Orifice (English units)E Orifice (English units)E Orifice (English units)E Orifice (English units)E Orifice (English units)

Notes1. Valves set under 15 psig are not ASME code stamped.

2. Valve dimension C for RB bellows valves add 3/4-inch. Maximum A and

B dimensions 1/16-inch.

3. Valve capacities are listed in the PRV Capacity Tables Catalog.

R-12E

R-12E

R-12E

R-12E

R-12E

1000

900

800

700

600

500

400

300

200

100

-20

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2500 3000 4000 5000 6000

R-53ER-53ER-53ER-53ER-53ERRRRR-----7373737373EEEEE

R-22E

R-22E

R-22E

R-22E

R-22E

R-33ER-33ER-33ER-33ER-33E



R-10ER-10ER-10ER-10ER-10E R-30ER-30ER-30ER-30ER-30E R-50ER-50ER-50ER-50ER-50E


R-70ER-70ER-70ER-70ER-70E R-80ER-80ER-80ER-80ER-80E R-90ER-90ER-90ER-90ER-90E





R-92E

R-92E

R-92E

R-92E

R-92E

Inlet Temper ature F

Set Pressure psig

API 526 eliminated 2 1/2" flange sizes, however Reyco will supply 2 1/2" flange sizes at no additional cost.

Alloy SteelBody-Spring

Bonnet

Carbon SteelBody-Bonnet

Alloy Steel

Spring

Carbon Steel

Body-Bonnetand Spring

Area 0.196 in2

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C

A

B

Specifications

VVVVValval val val val veeeee VVVVValvalvalvalvalve Modele Modele Modele Modele Model FFFFFlanglanglanglanglang e Connectionse Connectionse Connectionse Connectionse Connections MaximMaximMaximMaximMaximum Set Prum Set Prum Set Prum Set Prum Set Pressuressuressuressuressureeeee MaximMaximMaximMaximMaximum Bacum Bacum Bacum Bacum Back Prk Prk Prk Prk Pressuressuressuressuressureeeee VVVVValvalvalvalvalve Dimensionse Dimensionse Dimensionse Dimensionse Dimensions WWWWWeighteighteighteighteightSizeSizeSizeSizeSize Conv. Bellows ASA StandarASA StandarASA StandarASA StandarASA Standarddddd (psig) (psig @ 100F) (inches) (lb)


1 1/2 x 2 R-10F RB10F 150 RF or RJ 150 RF 285 185 285 230 4 7/8 4 3/4 20 3/4 43

1 1/2 x 2 R-12F RB12F 150 RF or RJ 150 RF 185 80 285 230 4 7/8 4 3/4 20 3/4 43

1 1/2 x 2 R-20F RB20F 300 RF or RJ 150 RF 285 285 285 230 4 7/8 4 3/4 20 3/4 47

1 1/2 x 2 R-22F RB22F 300 RF or RJ 150 RF 285 285 285 230 4 7/8 4 3/4 20 3/4 47

1 1/2 x 2 R-30F RB30F 300 RF or RJ 150 RF 740 615 285 230 4 7/8 6 20 3/4 50

1 1/2 x 2 R-32F RB32F 300 RF or RJ 150 RF 615 410 285 230 4 7/8 6 20 3/4 50

1 1/2 x 2 R-33F RB33F 300 RF or RJ 150 RF 510 225 285 230 4 7/8 6 20 3/4 50

1 1/2 x 2 R-50F RB50F 600 RF or RJ 150 RF 1480 1235 285 230 4 7/8 6 20 3/4 50

1 1/2 x 2 R-52F RB52F 600 RF or RJ 150 RF 1235 825 285 230 4 7/8 6 20 3/4 50

1 1/2 x 2 R-53F RB53F 600 RF or RJ 150 RF 1015 445 285 230 4 7/8 6 20 3/4 50

1 1/2 x 3 R-70F RB70F 900 RF or RJ 300RF 2220 1845 740 500 4 7/8 6 20 3/8 63

1 1/2 x 3 R-72F RB72F 900 RF or RJ 300RF 1845 1235 740 500 4 7/8 6 20 3/8 63

1 1/2 x 3 R-73F RB73F 900 RF or RJ 300 RF 1525 670 740 500 4 7/8 6 20 3/8 63

1 1/2 x 3 R-80F RB80F 1500 RF or RJ 300 RF 3705 3080 740 500 4 7/8 6 21 3/4 68

1 1/2 x 3 R-82F RB82F 1500 RF or RJ 300 RF 3080 2060 740 500 4 7/8 6 21 3/4 68

1 1/2 x 3 R-83F RB83F 1500 RF or RJ 300 RF 2540 1115 740 500 4 7/8 6 20 3/4 63

1 1/2x 3 R-90F RB90F 2500 RF or RJ 300 RF 5000 5000 740 500 5 1/2 6 1/2 22 1/2 80

1 1/2 x 3 R-92F RB92F 2500 RF or RJ 300 RF 5000 3430 740 500 5 1/2 6 1/2 22 1/2 80

1 1 /2 x 3 R-93F RB93F 2500 RF or RJ 300 RF 4230 1860 740 500 5 1/2 6 1/2 22 1/2 80

R/RB Series Valve SelectorF Orifice (English units)F Orifice (English units)F Orifice (English units)F Orifice (English units)F Orifice (English units)


2. Maximum A and B dimensions 1/16-inch.


R-12F

R-12F

R-12F

R-12F

R-12F

1000

900

800

700

600

500

400

300

200

100

-20

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2500 3000 4000 5000

R-53FR-53FR-53FR-53FR-53F RRRRR-----7777733333FFFFF

R-22F

R-22F

R-22F

R-22F

R-22F

R-33FR-33FR-33FR-33FR-33F



R-10FR-10FR-10FR-10FR-10F R-30FR-30FR-30FR-30FR-30F R-50FR-50FR-50FR-50FR-50F


R-70FR-70FR-70FR-70FR-70F R-80FR-80FR-80FR-80FR-80F

R-90F

R-90F

R-90F

R-90F

R-90F





R-92F

R-92F

R-92F

R-92F

R-92F

Inlet Temperature F

Set Pressure psig


Alloy Steel

Body-Spring

Bonnet

Carbon Steel

Body-BonnetAlloy Steel

Spring


and Spring

Area 0.307 in2

8/10/2019 Reyco

15/45


C

A

B

Specifications



1 1/2 x 3 R-10G RB10G 150 RF or RJ 150 RF 285 185 285 230 4 7/8 4 3/4 20 3/4 46

1 1/2 x 3 R-12G RB12G 150 RF or RJ 150 RF 185 80 285 230 4 7/8 4 3/4 20 3/4 46

1 1/2 x 3 R-20G RB20G 300 RF or RJ 150 RF 285 285 285 230 4 7/8 4 3/4 20 3/4 50

1 1/2 x 3 R-22G RB22G 300 RF or RJ 150 RF 285 285 285 230 4 7/8 4 3/4 20 3/4 50

1 1/2 x 3 R-30G RB30G 300 RF or RJ 150 RF 740 615 285 230 4 7/8 6 20 3/4 55

1 1/2 x 3 R-32G RB32G 300 RF or RJ 150 RF 615 410 285 230 4 7/8 6 20 3/4 55

1 1/2 x 3 R-33G RB33G 300 RF or RJ 150 RF 510 225 285 230 4 7/8 6 20 3/4 55

1 1/2 x 3 R-50G RB50G 600 RF or RJ 150 RF 1480 1235 285 230 4 7/8 6 20 3/4 55

1 1/2 x 3 R-52G RB52G 600 RF or RJ 150 RF 1235 825 285 230 4 7/8 6 20 3/4 55

1 1/2 x 3 R-53G RB53G 600 RF or RJ 150 RF 1015 445 285 230 4 7/8 6 20 3/4 55

1 1/2 x 3 R-70G RB70G 900 RF or RJ 300RF 2220 1845 740 470 4 7/8 6 21 3/4 67

1 1/2 x 3 R-72G RB72G 900 RF or RJ 300RF 1845 1235 740 470 4 7/8 6 21 3/4 67

1 1/2 x 3 R-73G RB73G 900 RF or RJ 300 RF 1525 670 740 470 4 7/8 6 21 3/4 63

2 x 3 R-80G RB80G 1500 RF or RJ 300 RF 3705 3080 740 470 6 1/8 6 3/4 25 1/2 14

2 x 3 R-82G RB82G 1500 RF or RJ 300 RF 3080 2060 740 470 6 1/8 6 3/4 25 1/2 14

2 x 3 R-83G RB83G 1500 RF or RJ 300 RF 2540 1115 740 470 6 1/8 6 3/4 25 1/2 14

2 x 3 R-90G RB90G 2500 RF or RJ 300 RF 3705 3705 740 470 6 1/8 6 3/4 25 1/2 152 x 3 R-92G RB92G 2500 RF or RJ 300 RF 3705 3430 740 470 6 1/8 6 3/4 25 1/2 15

2 x 3 R-93G RB93G 2500 RF or RJ 300 RF 3705 1860 740 470 6 1/8 6 3/4 25 1/2 15

R/RB Series Valve SelectorG Orifice (English units)G Orifice (English units)G Orifice (English units)G Orifice (English units)G Orifice (English units)




R-12G

R-12G

R-12G

R-12G

R-12G

1000

900

800

700

600

500

400

300

200

100

-20

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2500 3000 3500 4000

R-53GR-53GR-53GR-53GR-53G RRRRR-----7777733333GGGGG

R-22G

R-22G

R-22G

R-22G

R-22G

R-33GR-33GR-33GR-33GR-33G



R-10GR-10GR-10GR-10GR-10G R-30GR-30GR-30GR-30GR-30G R-50GR-50GR-50GR-50GR-50G


R-70GR-70GR-70GR-70GR-70G R-80GR-80GR-80GR-80GR-80G

R-90G

R-90G

R-90G

R-90G

R-90G






Inlet Temperature F

Set Pressure psig



Bonnet


Alloy Steel

Spring


and Spring

Area 0.503 in2

8/10/2019 Reyco

16/45


C

A

B

Specifications

VVVVValval val val val veeeee VVVVValvalvalvalvalve Modele Modele Modele Modele Model FFFFFlanglanglanglanglange Connectionse Connectionse Connectionse Connectionse Connections MaximMaximMaximMaximMaximum Set Prum Set Prum Set Prum Set Prum Set Pressuressuressuressuressureeeee MaximMaximMaximMaximMaximum Bacum Bacum Bacum Bacum Back Prk Prk Prk Prk Pressuressuressuressuressureeeee VVVVValvalvalvalvalve Dimensionse Dimensionse Dimensionse Dimensionse Dimensions WWWWWeighteighteighteighteightSizeSizeSizeSizeSize Conv. Bellows ASA StandarASA StandarASA StandarASA StandarASA Standarddddd (psig) (psig @ 100F) (inches) (lb)


1 1/2 x 3 R-10H RB10H 150 RF or RJ 150 RF 285 185 285 230 5 1/8 4 7/8 21 50

1 1/2 x 3 R-12H RB12H 150 RF or RJ 150 RF 185 80 285 230 5 1/8 4 7/8 21 50

1 1/2 x 3 R-20H RB20H 300 RF or RJ 150 RF 285 285 285 230 5 1/8 4 7/8 21 54

1 1/2 x 3 R-22H RB22H 300 RF or RJ 150 RF 285 285 285 230 5 1/8 4 7/8 21 54

2 x 3 R-30H RB30H 300 RF or RJ 150 RF 740 615 285 230 5 1/8 4 7/8 21 58

2 x 3 R-32H RB32H 300 RF or RJ 150 RF 615 410 285 230 5 1/8 4 7/8 21 58

2 x 3 R-33H RB33H 300 RF or RJ 150 RF 510 225 285 230 5 1/8 4 7/8 21 58

2 x 3 R-50H RB50H 600 RF or RJ 150 RF 1480 1235 285 230 6 1/16 6 3/8 25 1/2 120

2 x 3 R-52H RB52H 600 RF or RJ 150 RF 1235 825 285 230 6 1/16 6 3/8 25 1/2 120

2 x 3 R-53H RB53H 600 RF or RJ 150 RF 1015 445 285 230 5 1/8 4 7/8 21 60

2 x 3 R-70H RB70H 900 RF or RJ 150 RF 2220 1845 285 230 6 1/16 6 3/8 25 1/2 135

2 x 3 R-72H RB72H 900 RF or RJ 150 RF 1845 1235 285 230 6 1/16 6 3/8 25 1/2 135

2 x 3 R-73H RB73H 900 RF or RJ 150 RF 1525 670 285 230 6 1/16 6 3/8 25 1/2 135

2 x 3 R-80H RB80H 1500 RF or RJ 300 RF 2750 2750 740 415 6 1/16 6 3/8 25 1/2 140

2 x 3 R-82H RB82H 1500 RF or RJ 300 RF 2750 2060 740 415 6 1/16 6 3/8 25 1/2 140

2 x 3 R-83H RB83H 1500 RF or RJ 300 RF 2540 1115 740 415 6 1/16 6 3/8 25 1/2 140

R/RB Series Valve SelectorH Orifice (English units)H Orifice (English units)H Orifice (English units)H Orifice (English units)H Orifice (English units)




R-12H

R-12H

R-12H

R-12H

R-12H

1000

900

800

700

600

500

400

300

200

100

-20

0 200 400 600 800 1000 1100 1200 1300 1400 1500 2000 2500 3000

R-53HR-53HR-53HR-53HR-53H RRRRR-----7777733333HHHHH

R-22H

R-22H

R-22H

R-22H

R-22H

R-33HR-33HR-33HR-33HR-33H



R-10HR-10HR-10HR-10HR-10H R-30HR-30HR-30HR-30HR-30H R-50HR-50HR-50HR-50HR-50H



R-80H

R-80H

R-80H

R-80H

R-80H




Inlet Temperature F

Set Pressure psig

Alloy Steel

Body-Spring

Bonnet


Alloy Steel

Spring


and Spring

Area 0.785 in2

8/10/2019 Reyco

17/45


C

A

B

Specifications



2 x 3 R-10J RB10J 150 RF or RJ 150 RF 285 185 285 230 5 3/8 4 7/8 21 3/4 58

2 x 3 R-12J RB12J 150 RF or RJ 150 RF 185 80 285 230 5 3/8 4 7/8 21 3/4 58

2 x 3 R-20J RB20J 300 RF or RJ 150 RF 285 285 285 230 5 3/8 4 7/8 21 3/4 62

2 x 3 R-22J RB22J 300 RF or RJ 150 RF 285 285 285 230 5 3/8 4 7/8 21 3/4 62

3 x 4 R-30J RB30J 300 RF or RJ 150 RF 740 615 285 230 5 3/8 5 5/8 22 3/4 76

3 x 4 R-32J RB32J 300 RF or RJ 150 RF 615 410 285 230 5 3/8 5 5/8 22 3/4 76

3 x 4 R-33J RB33J 300 RF or RJ 150 RF 510 225 285 230 5 3/8 5 5/8 22 3/4 76

3 x 4 R-50J RB50J 600 RF or RJ 150 RF 1480 1235 285 230 6 1/8 6 3/4 25 1/2 13

3 x 4 R-52J RB52J 600 RF or RJ 150 RF 1235 825 285 230 6 1/8 6 3/4 25 1/2 13

3 x 4 R-53J RB53J 600 RF or RJ 150 RF 815 445 285 230 5 3/8 5 5/8 22 3/4 80

3 x 4 R-70J RB70J 900 RF or RJ 150 RF 2220 1845 285 230 7 1/4 7 1/8 30 1/2 20

3 x 4 R-72J RB72J 900 RF or RJ 150 RF 1845 1235 285 230 7 1/4 7 1/8 30 1/2 20

3 x 4 R-73J RB73J 900 RF or RJ 150 RF 1525 670 285 230 6 1/8 6 3/4 25 1/2 15

3 x 4 R-80J RB80J 1500 RF or RJ 300 RF 2700 2700 600 230 7 1/4 7 1/8 30 1/2 23

3 x 4 R-82J RB82J 1500 RF or RJ 300 RF 2700 2060 600 230 7 1/4 7 1/8 30 1/2 23

3 x 4 R-83J RB83J 1500 RF or RJ 300 RF 2540 1115 600 230 7 1/4 7 1/8 30 1/2 23

R/RB Series Valve SelectorJ Orifice (English units)J Orifice (English units)J Orifice (English units)J Orifice (English units)J Orifice (English units)




R-12J

R-12J

R-12J

R-12J

R-12J

1000

900

800

700

600

500

400

300

200

100

-20

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800

R-53JR-53JR-53JR-53JR-53J RRRRR-----7777733333JJJJJ

R-22J

R-22J

R-22J

R-22J

R-22J

R-33JR-33JR-33JR-33JR-33J



R-10JR-10JR-10JR-10JR-10J R-30JR-30JR-30JR-30JR-30J R-50JR-50JR-50JR-50JR-50J


R-70JR-70JR-70JR-70JR-70J R-80JR-80JR-80JR-80JR-80J




Inlet Temperature F

Set Pressure psig


Alloy Steel

Body-Spring

Bonnet


Alloy Steel

Spring


and Spring

Area 1.287 in 2

8/10/2019 Reyco

18/45


C

A

B

Specifications



3 x 4 R-10K RB10K 150 RF or RJ 150 RF 285 185 285 150 6 1/8 6 3/8 26 1/2 120

3 x 4 R-12K RB12K 150 RF or RJ 150 RF 185 80 285 150 6 1/8 6 3/8 26 1/2 120

3 x 4 R-20K RB20K 300 RF or RJ 150 RF 285 285 285 150 6 1/8 6 3/8 26 1/2 130

3 x 4 R-22K RB22K 300 RF or RJ 150 RF 285 285 285 150 6 1/8 6 3/8 26 1/2 130

3 x 4 R-30K RB30K 300 RF or RJ 150 RF 740 615 285 150 6 1/8 6 3/8 26 1/2 135

3 x 4 R-32K RB32K 300 RF or RJ 150 RF 615 410 285 150 6 1/8 6 3/8 26 1/2 135

3 x 4 R-33K RB33K 300 RF or RJ 150 RF 510 225 285 150 6 1/8 6 3/8 26 1/2 135

3 x 4 R-50K RB50K 600 RF or RJ 150 RF 1480 1235 285 200 7 1/4 7 1/8 30 1/2 185

3 x 4 R-52K RB52K 600 RF or RJ 150 RF 1235 825 285 200 7 1/4 7 1/8 30 1/2 185

3 x 4 R-53K RB53K 600 RF or RJ 150 RF 1015 445 285 200 6 1/8 6 3/8 26 1/2 185

3 x 6 R-70K RB70K 900 RF or RJ 150 RF 2220 1845 600 200 7 13/16 8 1/2 34 1/4 215

3 x 6 R-72K RB72K 900 RF or RJ 150 RF 1845 1235 600 200 4 13/16 8 1/2 34 1/4 215

3 x 4 R-73K RB73K 900 RF or RJ 150 RF 1525 670 600 200 4 1/4 7 1/8 30 1/4 200

3 x 6 R-80K RB80K 1500 RF or RJ 300 RF 2220 2220 600 200 7 3/4 8 1/2 34 1/4 255

3 x 6 R-82K RB82K 1500 RF or RJ 300 RF 2220 2060 600 200 7 3/4 8 1/2 34 1/4 255

3 x 6 R-83K RB83K 1500 RF or RJ 300 RF 2040 1115 600 200 7 3/4 8 1/2 34 1/4 255

R/RB Series Valve SelectorK Orifice (English units)K Orifice (English units)K Orifice (English units)K Orifice (English units)K Orifice (English units)


2. Maximum A and B dimensions 1 /16-inch.


R-12K

R-12K

R-12K

R-12K

R-12K

1000

900

800

700

600

500

400

300

200

100

-20

R-53KR-53KR-53KR-53KR-53KRRRRR-----7777733333KKKKK

R-22K

R-22K

R-22K

R-22K

R-22K

R-33KR-33KR-33KR-33KR-33K



R-10KR-10KR-10KR-10KR-10K R-30K R-30KR-30KR-30KR-30K R-50K R-50KR-50KR-50KR-50K







Inlet Temperature F

Set Pressure psig

0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200


Bonnet

Carbon Steel


Spring

Carbon Steel


Area 1.838 in2

8/10/2019 Reyco

19/45


C

A

B

Specifications



3 x 4 R-10L RB10L 150 RF or RJ 150 RF 285 185 285 100 6 1/8 6 1/2 26 1/2 13

3 x 4 R-12L RB12L 150 RF or RJ 150 RF 185 80 285 100 6 1/8 6 1/2 26 1/2 13

3 x 4 R-20L RB20L 300 RF or RJ 150 RF 285 285 285 100 6 1/8 6 1/2 26 1/2 14

3 x 4 R-22L RB22L 300 RF or RJ 150 RF 285 285 285 100 6 1/8 6 1/2 26 1/2 14

4 x 6 R-30L RB30L 300 RF or RJ 150 RF 740 615 285 170 7 1/16 7 1/8 30 1/4 20

4 x 6 R-32L RB32L 300 RF or RJ 150 RF 615 410 285 170 7 1/16 7 1/8 30 1/4 20

4 x 6 R-33L RB33L 300 RF or RJ 150 RF 510 225 285 170 7 1/16 7 1/8 30 1/4 20

4 x 6 R-50L RB50L 600 RF or RJ 150 RF 1000 1000 285 170 7 1/16 8 30 1/4 22

4 x 6 R-52L RB52L 600 RF or RJ 150 RF 1000 825 285 170 7 1/16 8 30 1/4 22

4 x 6 R-53L RB53L 600 RF or RJ 150 RF 1000 445 285 170 7 1/16 8 30 1/4 22

4 x 6 R-70L RB70L 900 RF or RJ 150 RF 1650 1650 285 170 7 3/4 8 3/4 34 1/4 25

4 x 6 R-72L RB72L 900 RF or RJ 150 RF 1650 1235 285 170 7 3/4 8 3/4 34 1/4 25

4 x 6 R-73L RB73L 900 RF or RJ 150 RF 1525 670 285 170 7 3/4 8 3/4 34 1/4 25

4 x 6 R-82L RB82L 1500 RF or RJ 150 RF 1650 1500 285 170 7 3/4 8 3/4 34 1/4 27

4 x 6 R-83L RB83L 1500 RF or RJ 150 RF 1650 1115 285 170 7 3/4 8 3/4 34 1/4 27

R/RB Series Valve SelectorL Orifice (English units)L Orifice (English units)L Orifice (English units)L Orifice (English units)L Orifice (English units)




R-12L

R-12L

R-12L

R-12L

R-12L

1000

900

800

700

600

500

400

300

200

100

-20

R-53LR-53LR-53LR-53LR-53L RRRRR-----7777733333LLLLL

R-22L

R-22L

R-22L

R-22L

R-22L

R-33LR-33LR-33LR-33LR-33L



R-10LR-10LR-10LR-10LR-10L R-30LR-30LR-30LR-30LR-30L R-50LR-50LR-50LR-50LR-50L






Inlet Temperature F

Set Pressure psig

0 10 0 20 0 30 0 40 0 50 0 60 0 7 00 800 90 0 1000 110 0 120 0 130 0 14 00 150 0

Alloy Steel

Body-SpringBonnet

Carbon Steel

Body-Bonnet

Alloy SteelSpring

Carbon Steel

Body-Bonnet

and Spring

Area 2.853 in2

8/10/2019 Reyco

20/45


C

A

B

Specifications

VVVVValval val val val veeeee VVVVValvalvalvalvalve Modele Modele Modele Modele Model FFFFFlanglanglanglanglang e Connectionse Connectionse Connectionse Connectionse Connections MaximMaximMaximMaximMaximum Set Prum Set Prum Set Prum Set Prum Set Pressuressuressuressuressureeeee MaximMaximMaximMaximMaximum Bacum Bacum Bacum Bacum Back Prk Prk Prk Prk Pressuressuressuressuressureeeee VVVVValvalvalvalvalv e Dimensionse Dimensionse Dimensionse Dimensionse Dimensions WWWWWeighteighteighteighteightSizeSizeSizeSizeSize Conv. B ellows ASA StandarASA StandarASA StandarASA StandarASA Standarddddd (psig) (psig @ 100F) (inches) (lb)


4 x 6 R-10M RB10M 150 RF or RJ 150 RF 285 185 285 80 7 7 1/4 30 1/4 190

4 x 6 R-12M RB12M 150 RF or RJ 150 RF 185 80 285 80 7 7 1/4 30 1/4 190

4 x 6 R-20M RB20M 300 RF or RJ 150 RF 285 285 285 80 7 7 1/4 30 1/4 200

4 x 6 R-22M RB22M 300 RF or RJ 150 RF 285 285 285 80 7 7 1/4 30 1/4 200

4 x 6 R-30M RB30M 300 RF or RJ 150 RF 740 615 285 160 7 7 1/4 30 1/4 205

4 x 6 R-32M RB32M 300 RF or RJ 150 RF 615 410 285 160 7 7 1/4 30 1/4 205

4 x 6 R-33M RB33M 300 RF or RJ 150 RF 510 225 285 160 7 7 1/4 30 1/4 205

4 x 6 R-50M RB50M 600 RF or RJ 150 RF 1200 1200 285 160 7 8 33 3/4 230

4 x 6 R-52M RB52M 600 RF or RJ 150 RF 1200 825 285 160 7 8 33 3/4 230

4 x 6 R-53M RB53M 600 RF or RJ 150 RF 1015 445 285 160 7 8 33 3/4 230

4 x 6 R-72M RB72M 900 RF or RJ 150 RF 1200 1200 285 160 7 3/4 8 3/4 34 1/4 260

4 x 6 R-73M RB73M 900 RF or RJ 150 RF 1200 670 285 160 7 3/4 8 3/4 34 1/4 260

R/RB Series Valve SelectorM Orifice (English units)M Orifice (English units)M Orifice (English units)M Orifice (English units)M Orifice (English units)




R-12MR-12MR-12MR-12MR-12M

1000

900

800

700

600

500

400

300

200

100

-20

R-53MR-53MR-53MR-53MR-53M RRRRR-----7777733333MMMMM





R-10MR-10MR-10MR-10MR-10M R-30MR-30MR-30MR-30MR-30M R-50MR-50MR-50MR-50MR-50M



Inlet Temperature F

Set Pressure psig

0 100 200 300 400 500 600 700 800 900 1000 1100


Bonnet


Alloy Steel

Spring


and Spring

Area 3.60 in2

8/10/2019 Reyco

21/45


C

A

B

Specifications



4 x 6 R-10N RB10N 150 RF or RJ 150 RF 285 185 285 80 7 3/4 8 1/4 31 1/2 20

4 x 6 R-12N RB12N 150 RF or RJ 150 RF 185 80 285 80 7 3/4 8 1/4 31 1/2 20

4 x 6 R-20N RB20N 300 RF or RJ 150 RF 285 285 285 80 7 3/4 8 1/4 31 1/2 20

4 x 6 R-22N RB22N 300 RF or RJ 150 RF 285 285 285 80 7 3/4 8 1/4 31 1/2 20

4 x 6 R-30N RB30N 300 RF or RJ 150 RF 740 615 285 160 7 3/4 8 1/4 35 23

4 x 6 R-32N RB32N 300 RF or RJ 150 RF 615 410 285 160 7 3/4 8 1/4 35 23

4 x 6 R-33N RB33N 300 RF or RJ 150 RF 510 225 285 160 7 3/4 8 1/4 31 1/2 21

4 x 6 R-50N RB50N 600 RF or RJ 150 RF 1050 1050 285 160 7 3/4 8 3/4 35 25

4 x 6 R-52N RB52N 600 RF or RJ 150 RF 1050 825 285 160 7 3/4 8 3/4 35 25

4 x 6 R-53N RB53N 600 RF or RJ 150 RF 1015 445 285 160 7 3/4 8 3/4 35 25

4 x 6 R-72N RB72N 900 RF or RJ 150 RF 1050 1000 285 160 7 3/4 8 3/4 35 27

4 x 6 R-73N RB73N 900 RF or RJ 150 RF 1050 670 285 160 7 3/4 8 3/4 35 27

R/RB Series Valve SelectorN Orifice (English units)N Orifice (English units)N Orifice (English units)N Orifice (English units)N Orifice (English units)




1000

900

800

700

600

500

400

300

200

100

-20

Inlet Temperature F

Set Pressure psig

0 100 200 300 400 500 600 700 8 00 900 1000

R-12NR-12NR-12NR-12NR-12N

R-53NR-53NR-53NR-53NR-53N RRRRR-----7777733333NNNNN





R-10NR-10NR-10NR-10NR-10N R-30NR-30NR-30NR-30NR-30N R-50NR-50NR-50NR-50NR-50N




Bonnet

Carbon Steel


Spring

Carbon Steel


Area 4.34 in2

8/10/2019 Reyco

22/45


C

A

B

Specifications

VVVVValval val val val veeeee VVVVValvalvalvalvalve Modele Modele Modele Modele Model FFFFFlanglanglanglanglang e Connectionse Connectionse Connectionse Connectionse Connections MaximMaximMaximMaximMaximum Set Prum Set Prum Set Prum Set Prum Set Pressuressuressuressuressureeeee MaximMaximMaximMaximMaximum Bacum Bacum Bacum Bacum Back Prk Prk Prk Prk Pressuressuressuressuressureeeee VVVVValvalvalvalvalv e Dimensionse Dimensionse Dimensionse Dimensionse Dimensions WWWWWeighteighteighteighteightSizeSizeSizeSizeSize Conv. Bellows ASA StandarASA StandarASA StandarASA StandarASA Standarddddd (psig) (psig @ 100F) (inches) (lb)


4 x 6 R-10P RB10P 150 RF or RJ 150 RF 285 185 285 80 7 1/8 9 30 7/8 210

4 x 6 R-12P RB12P 150 RF or RJ 150 RF 185 80 285 80 7 1/8 9 30 7/8 210

4 x 6 R-20P RB20P 300 RF or RJ 150 RF 285 285 285 80 7 1/8 9 30 7/8 220

4 x 6 R-22P RB22P 300 RF or RJ 150 RF 285 285 285 80 7 1/8 9 30 7/8 220

4 x 6 R-30P RB30P 300 RF or RJ 150 RF 525 525 285 150 8 7/8 10 42 1/2 330

4 x 6 R-32P RB32P 300 RF or RJ 150 RF 525 410 285 150 8 7/8 10 42 1/2 330

4 x 6 R-33P RB33P 300 RF or RJ 150 RF 510 225 285 150 8 7/8 10 42 1/2 330

4 x 6 R-50P RB50P 600 RF or RJ 150 RF 1000 1000 285 150 8 7/8 10 42 1/2 360

4 x 6 R-52P RB52P 600 RF or RJ 150 RF 1000 825 285 150 8 7/8 10 42 1/2 360

4 x 6 R-53P RB53P 600 RF or RJ 150 RF 1000 445 285 150 8 7/8 10 42 1/2 360

4 x 6 R-72P RB72P 900 RF or RJ 150 RF 1000 1000 285 150 8 7/8 10 42 1/2 380

4 x 6 R-73P RB73P 900 RF or RJ 150 RF 1000 670 285 150 8 7/8 10 42 1/2 380

R/RB Series Valve SelectorP Orifice (English units)P Orifice (English units)P Orifice (English units)P Orifice (English units)P Orifice (English units)




1000

900

800

700

600

500

400

300

200

100

-20

Inlet Temperature F

Set Pressure psig

R-12PR-12PR-12PR-12PR-12P

R-53PR-53PR-53PR-53PR-53P RRRRR-----7777733333PPPPP





R-10PR-10PR-10PR-10PR-10P R-30PR-30PR-30PR-30PR-30P R-50PR-50PR-50PR-50PR-50P



0 100 2 00 300 400 500 6 00 700 800 9 00 1000

Alloy Steel

Body-SpringBonnet


Alloy SteelSpring


and Spring

Area 6.38 in2

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C

A

B

Specifications

VVVVValval val val val veeeee VVVVValvalvalvalvalv e Modele Modele Modele Modele Model FFFFFlanglanglanglanglange Connectionse Connectionse Connectionse Connectionse Connections MaximMaximMaximMaximMaximum Set Prum Set Prum Set Prum Set Prum Set Pressuressuressuressuressureeeee MaximMaximMaximMaximMaximum Bacum Bacum Bacum Bacum Back Prk Prk Prk Prk Pressuressuressuressuressureeeee VVVVValvalvalvalvalve Dimensionse Dimensionse Dimensionse Dimensionse Dimensions WWWWWeeieeieiSizeSizeSizeSizeSize Conv. Bellows ASA StandarASA StandarASA StandarASA StandarASA Standarddddd (psig) (psig @ 100F) (inches) (lb


6 x 8 R-10Q RB10Q 150 RF or RJ 150 RF 165 165 115 70 9 7/16 9 1/2 45 1/2 48

6 x 8 R-12Q RB12Q 150 RF or RJ 150 RF 165 80 115 70 9 7/16 9 1/2 45 1/2 48

6 x 8 R-20Q RB20Q 300 RF or RJ 150 RF 165 165 115 70 9 7/16 9 1/2 45 1/2 50

6 x 8 R-22Q RB22Q 300 RF or RJ 150 RF 165 165 115 70 9 7/16 9 1/2 45 1/2 50

6 x 8 R-30Q RB30Q 300 RF or RJ 150 RF 300 300 115 115 9 7/16 9 1/2 45 1/2 52

6 x 8 R-32Q RB32Q 300 RF or RJ 150 RF 300 300 115 115 9 7/16 9 1/2 45 1/2 52

6 x 8 R-33Q RB33Q 300 RF or RJ 150 RF 300 165 165 115 115 9 7/16 9 1/2 45 1/2 52

6 x 8 R-50Q RB50Q 600 RF or RJ 150 RF 600 600 115 115 9 7/16 9 1/2 49 1/2 63

6 x 8 R-52Q RB52Q 600 RF or RJ 150 RF 600 600 115 115 9 7/16 9 1/2 49 1/2 63

6 x 8 R-53Q RB53Q 600 RF or RJ 150 RF 600 600 445 115 115 9 7/16 9 1/2 49 1/2 63

R/RB Series Valve SelectorQ Orifice (English units)Q Orifice (English units)Q Orifice (English units)Q Orifice (English units)Q Orifice (English units)




1000

900

800

700

600

500

400

300

200

100

-20

Inlet Temperature F

R-12QR-12QR-12QR-12QR-12Q





R-10QR-10QR-10QR-10QR-10Q R-30QR-30QR-30QR-30QR-30Q R-50QR-50QR-50QR-50QR-50Q


0 50 100 150 200 300 400 500 600

Set Pressure psig


Bonnet

Carbon Steel


Spring

Carbon Steel


Area 11.05 in2


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C

A

B

Specifications



6 x 8 R-10R RB10R 150 RF or RJ 150 RF 100 100 60 60 9 7/16 9 1/2 45 1/2 500

6 x 8 R-12R RB12R 150 RF or RJ 150 RF 100 80 60 60 9 7/16 9 1/2 45 1/2 500

6 x 8 R-20R RB20R 300 RF or RJ 150 RF 100 100 60 60 9 7/16 9 1/2 45 1/2 520

6 x 8 R-22R RB22R 300 RF or RJ 150 RF 100 100 60 60 9 7/16 9 1/2 45 1/2 520

6 x 10 R-30R RB30R 300 RF or RJ 150 RF 230 230 100 100 9 7/16 10 1/2 45 1/2 620

6 x 10 R-32R RB32R 300 RF or RJ 150 RF 230 230 100 100 9 7/16 10 1/2 45 1/2 620

6 x 8 R-33R RB33R 300 RF or RJ 150 RF 100 100 60 60 9 7/16 9 1/2 45 1/2 520

6 x 10 R-50R RB50R 600 RF or RJ 150 RF 300 300 100 100 9 7/16 10 1/2 49 1/2 660

6 x 10 R-52R RB52R 600 RF or RJ 150 RF 300 300 100 100 9 7/16 10 1/2 49 1/2 660

6 x 10 R-53R RB53R 600 RF or RJ 150 RF 300 300 100 100 9 7/16 10 1/2 49 1/2 660

R/RB Series Valve SelectorR Orifice (English units)R Orifice (English units)R Orifice (English units)R Orifice (English units)R Orifice (English units)


2. Maximum A and B dimensions 1/8 inch.


1000

900

800

700

600

500

400

300

200

100

-20

Inlet Temperature F

R-12RR-12RR-12RR-12RR-12R





R-20RR-20RR-20RR-20RR-20RR-10RR-10RR-10RR-10RR-10R R-30RR-30RR-30RR-30RR-30R R-50RR-50RR-50RR-50RR-50R


0 50 100 150 200 250 300

Set Pr essure psig

Alloy Steel

Body-Spring

Bonnet


Alloy Steel

Spring


and Spring

Area 16.00 in2

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C

A

B

Specifications

VVVVValvalvalvalvalveeeee VVVVValvalvalvalvalve Modele Modele Modele Modele Model FFFFFlanglanglanglanglang e Connectionse Connectionse Connectionse Connectionse Connections MaximMaximMaximMaximMaximum Set Prum Set Prum Set Prum Set Prum Set Pressuressuressuressuressureeeee MaximMaximMaximMaximMaximum Bacum Bacum Bacum Bacum Back Prk Prk Prk Prk Pressuressuressuressuressureeeee VVVVValvalvalvalvalve Dimensionse Dimensionse Dimensionse Dimensionse Dimensions WWWWWeeieeieiSizeSizeSizeSizeSize Conv. Bellows ASA StandarASA StandarASA StandarASA StandarASA Standarddddd (psig) (psig @ 100F) (inches) (l


8 x 10 R-10T RB10T 150 RF or RJ 150 RF 65 65 30 30 10 7/8 11 47 3/4 67

8 x 10 R-12T RB12T 150 RF or RJ 150 RF 65 65 30 30 10 7/8 11 47 3/4 67

8 x 10 R-20T RB20T 300 RF or RJ 150 RF 65 65 30 30 10 7/8 11 47 3/4 70

8 x 10 R-22T RB22T 300 RF or RJ 150 RF 65 65 30 30 10 7/8 11 47 3/4 70

8 x 10 R-30T RB30T 300 RF or RJ 150 RF 120 120 60 60 10 7/8 11 51 1/2 79

8 x 10 R-32T RB32T 300 RF or RJ 150 RF 120 120 60 60 10 7/8 11 51 1/2 79

8 x 10 R-33T RB33T 300 RF or RJ 150 RF 120 120 60 60 10 7/8 11 51 1/2 79

8 x 10 R-50T RB50T 300 RF or RJ 150 RF 300 300 100 60 10 7/8 11 54 3/4 83

8 x 10 R-52T RB52T 300 RF or RJ 150 RF 300 300 100 60 10 7/8 11 54 3/4 83

8 x 10 R-53T RB53T 300 RF or RJ 150 RF 300 225 100 60 10 7/8 11 54 3/4 83

R/RB Series Valve SelectorT Orifice (English units)T Orifice (English units)T Orifice (English units)T Orifice (English units)T Orifice (English units)


2. Maximum A and B dimensions 1/8 inch.


4. RB50T, RB52T, and RB53T do not meet API 526 backpressure requirement

of 100 psig.

1000

900

800

700

600

500

400

300

200

100

-20

Inlet Temper ature F

R-12TR-12TR-12TR-12TR-12TR-22TR-22TR-22TR-22TR-22T

R-33TR-33TR-33TR-33TR-33T


R-20TR-20TR-20TR-20TR-20TR-10TR-10TR-10TR-10TR-10T


0 50 100 150 200 250 300

Set Pressure psig

Alloy Steel

Body-SpringBonnet

Carbon Steel

Body-Bonnet

Alloy SteelSpring

Carbon Steel


Area 26.00 in2

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C

A

B

RS Series - ASME Section VIII Steam (English)OpenOpenOpenOpenOpen YYYYYokokokokoke Pre Pre Pre Pre Pressuressuressuressuressure Re Re Re Re ReliefeliefeliefeliefeliefVVVVValvalvalvalvalveeeee

Notes

1. Steam valves set under 15 psig are not ASME code stamped.

2. Maximum A and B dimensions 1/16-inch up to 4-inch inlet, 1/8 inch

for 6-inch and above.


RS10 Series Specifications - ANSI 150 Class (limited to 750F)

VVVVValvalvalvalvalveeeee VVVVValval val val val veeeee APIAPIAPIAPIAPI MaximMaximMaximMaximMaximum Set Prum Set Prum Set Prum Set Prum Set Pressuressuressuressuressureeeee VVVVValvalvalvalvalv e Dimensionse Dimensionse Dimensionse Dimensionse Dimensions WWWWWeighteighteighteighteight SizeSizeSizeSizeSize ModelModelModelModelModel OrificeOrificeOrificeOrificeOrifice ArArArArAreaeaeaeaea (psig) (inches) (lb)

(inches) (in2) Sat. Steam 750F A B Max. C

1 x D x 2 RS10D 0.110 200 80 4 1/8 4 1/2 20 3/8 35

1 x E x 2 RS10E 0.196 200 80 4 1/8 4 1/2 20 3/8 35

1 1/2 x F x 2 RS10F 0.307 200 80 4 7/8 4 3/4 21 3/8 37

1 1/2 x G x 3 RS10G 0.503 200 80 4 7/8 4 3/4 21 3/8 41

1 1/2 x H x 3 RS10H 0.785 200 80 5 1/8 4 7/8 21 1/2 45

2 x J x 3 RS10J 1.287 200 80 5 3/8 4 7/8 22 3/8 53

3 x K x 4 RS10K 1.838 200 80 6 1/8 6 3/8 27 1/4 110

3 x L x 4 RS10L 2.853 200 80 6 1/8 6 1/2 27 1/4 120

4 x M x 6 RS10M 3.600 200 80 7 7 1/4 30 1/2 170

4 x N x 6 RS10N 4.340 200 80 7 3/4 8 1/4 32 7/8 180

4 x P x 6 RS10P 6.380 200 80 7 1/8 9 32 1/4 190

6 x Q x 8 RS10Q 11.050 165 80 9 7/16 9 1/2 46 5/8 440

6 x R x 8 RS10R 16.000 100 80 9 7/16 9 1/2 46 5/8 460

8 x T x 10 RS10T 26.000 65 65 10 7/8 11 48 7/8 610

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C

A

B

1 x D x 2 RS30D 0.110 600 505 225 4 1/8 4 1/2 20 3/8 40

1 x E x 2 RS30E 0.196 600 505 225 4 1/8 4 1/2 20 3/8 40

1 1/2 x F x 2 RS30F 0.307 600 505 225 4 7/8 6 21 3/8 45

1 1/2 x G x 3 RS30G 0.503 600 505 225 4 7/8 6 21 3/8 50

2 x H x 3 RS30H 0.785 600 505 225 5 1/8 4 7/8 21 1/2 53

3 x J x 4 RS30J 1.287 600 505 225 5 3/8 5 5/8 23 3/4 71

3 x K x 4 RS30K 1.838 600 505 225 6 1/8 6 3/8 27 1/4 125

4 x L x 6 RS30L 2.853 600 505 225 7 1/16 7 1/8 31 1/2 180

4 x M x 6 RS30M 3.600 600 505 225 7 7 1/4 31 1/2 185

4 x N x 6 RS30N 4.340 600 505 225 7 3/4 8 1/4 35 7/8 210

4 x P x 6 RS30P 6.380 525 505 225 8 7/8 10 42 7/8 3006 x Q x 8 RS30Q 11.050 300 300 165 9 7/16 9 1/2 46 5/8 480

6 x R x 10 RS30R 16.000 300 300 100 9 7/16 10 1/2 51 3/4 570

8 x T x 10 RS30T 26.000 200 200 120 10 7/8 11 54 1/8 710

Notes

1. Steam valves set under 15 psig are not ASME code stamped.

2. Maximum A and B dimensions 1/16-inch up to 4-inch inlet size,

1/8 inch for 6-inch and above.


4. Alloy springs required for temperatures greater than 750F.

5. Alloy body/yoke required for temperatures greater than 800F.

RS50 Series Specifications - ANSI 600 Class

VVVVValvalvalvalvalv eeeee VVVVValval val val val veeeee APIAPIAPIAPIAPI MaximMaximMaximMaximMaximum Set Prum Set Prum Set Prum Set Prum Set Pressuressuressuressuressureeeee VVVVValvalvalvalvalve Dimensionse Dimensionse Dimensionse Dimensionse Dimensions WWWWWeigheigheigheigheigh SizeSizeSizeSizeSize ModelModelModelModelModel OrificeOrificeOrificeOrificeOrifice ArArArArAreaeaeaeaea (psig) (inches) (lb)

(inches) (in2) Sat. Steam 750F 1000F A B Max. C

RS30 Series Specifications - ANSI 300 Class

VVVVValvalvalvalvalv eeeee VVVVValval val val val veeeee APIAPIAPIAPIAPI Maxim Maxim Maxim Maxim Maximum Set Prum Set Prum Set Prum Set Prum Set Pressuressuressuressuressureeeee VVVVValvalvalvalvalve Dimensionse Dimensionse Dimensionse Dimensionse Dimensions WWWWWeigheigheigheigheigh SizeSizeSizeSizeSize ModelModelModelModelModel OrificeOrificeOrificeOrificeOrifice ArArArArAreaeaeaeaea (psig) (inches) (lb)

(inches) (in2) Sat. Steam 750F 1000F A B Max. C

1 x D x 2 RS50D 0.110 1000 1000 445 4 1/8 4 1/2 20 3/8 40

1 x E x 2 RS50E 0.196 1000 1000 445 4 1/8 4 1/2 20 3/8 40

1 1/2 x F x 2 RS50F 0.307 1000 1000 445 4 7/8 6 21 3/8 45

1 1/2 x G x 3 RS50G 0.503 1000 1000 445 4 7/8 6 21 3/8 50

2 x H x 3 RS50H 0.785 1000 1000 445 6 1/16 6 3/8 26 110

3 x J x 4 RS50J 1.287 1000 1000 445 6 1/8 6 3/4 26 120

3 x K x 4 RS50K 1.838 1000 1000 445 7 1/4 7 1/8 31 1/8 175

4 x L x 6 RS50L 2.853 1000 1000 445 7 1/16 8 31 1/2 200

4 x M x 6 RS50M 3.600 1000 1000 445 7 8 35 1/8 210

4 x N x 6 RS50N 4.340 1000 1000 445 7 3/4 8 3/4 35 7/8 230

4 x P x 6 RS50P 6.380 1000 1000 445 8 7/8 10 42 7/8 3306 x Q x 8 RS50Q 11.050 600 600 445 9 7/16 9 1/2 51 3/4 580

6 x R x 10 RS50R 16.000 300 300 300 9 7/16 10 1/2 51 3/4 610

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R, NR SeriesConConConConConvvvvventional Prentional Prentional Prentional Prentional Pressuressuressuressuressure Re Re Re Re Reliefeliefeliefeliefelief VVVVValvalvalvalvalveeeee

Bill of Materials (S1 Trim)

PPPPPararararart Not Not Not Not No..... PPPPPararararart Namet Namet Namet Namet Name MaterialsMaterialsMaterialsMaterialsMaterials

1 Point A582 416 SS

2 Compression Screw A479 316 SS

3 Bonnet Plug CS

4 Locknut A479 316 SS

5 Gasket, Cap Soft Iron

6A Top Spring Step A108 CS 10or A479 316 SS

6B Bottom Spring Step A108 CS 10or A479 316 SS

7 Body Studs SA193 GR. B7

8 Stud Nuts SA194 GR. 2H

9 Bonnet Gasket Soft Iron

10 Stem A479 316 SS

11Guide A351 CF8M 316 SS

Guide (Steam Service) A494 M-35-2, Monel

12 Guide Gasket Soft Iron

13 Disc Holder Insert A582 416 SS

14 Ring Pin Gasket Soft Iron

15 Ring Pin A479 316 SS

16 Disc Holder A351 CF8M 316 SS

17 Disc Retainer A313 302 SS

18 Disc A479 316 SS

19 Nozzle Ring A351 CF8M 316 SS

20 Nozzle SA351 CF8M 316 SS or A479 316 SS

Spring A229 or A689 1, 1121

Spring (Above 450F) A681 GR. H12 or B637 UNS N077502, 3, 4

22 Cap A216 WCB

23Bonnet SA216 WCB1, 2

Bonnet (Above 750F) SA217 WC63

Body SA216 WCB1, 224

Body (Above 750F) SA217 WC63

25 Body Plug CS

Notes1. For Models R-10, R-20, R-30, R-50, R-70, R-80, and R-90 Series.

2. For Models R-12 through R-92 Series.


4. High temperature spring is chrome-moly-tungsten alloy or InconelX-750.

5. Three cap styles are available: plain lift lever, packed lift lever and screwed cap.

6. Valves set under 15 psig [1.03 barg] are not ASME code stamped.


8. Model NR not certified for ASME III steam service.

9. Minimum set pressure is 5 psig [.35 barg].

10. CS spring steps are zinc-cobalt plated.

11. CS springs are aluminum coated.

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RB, NRB SeriesBalanced BelloBalanced BelloBalanced BelloBalanced BelloBalanced Bellows Prws Prws Prws Prws Pressuressuressuressuressure Re Re Re Re Reliefeliefeliefeliefelief VVVVValvalvalvalvalveeeee

Bill of Materials (S1 Trim) 5, 6, 7, 8, 9


1 Point A582 416 SS


3 Bonnet Plug CS


5 Gasket, Cap Soft Iron5

6A Top Spring Step A108 CS10 or A479 316 SS

6B Bottom Spring Step A108 CS10 or A479 316 SS



9 Bonnet Gasket Soft Iron

10 Stem A479 316 SS

11Guide A351 CF8M 316 SS

Guide (Steam Service) A494 M-35-2, Monel

12 Guide Gasket (Bottom) Fiber & Nitrile






18 Disc A479 316 SS

19 Nozzle Ring A351 CF8M 316 SS20 Nozzle SA351 CF8M 316 SS or A479 316 SS

Spring A229 or A6891, 1121

Spring (Above 450F) A681 GR. H12 or B637 UNS N077502, 3, 4

22 Cap A216 WCB

23Bonnet SA216 WCB1, 2

Bonnet (Above 750F) SA217 WC63

Body SA216 WCB1, 224

Body (Above 750F) SA217 WC63

26 Bellows B443 Inconel625

27 Bellows Flange A240 316L SS

28 Bellows Nut A479 316L SS

29 Bellows Spacer* A106 (D and E Orifice Only)

30 Bellows Spacer Gasket* Soft Iron

31 Bellows Gasket Fiber & Nitrile

* Not Shown

Notes

1. For Models R-10, R-20, R-30, R-50, R-70, Rand R-90 Series.



4. High temperature spring is chrome-moly-tun

alloy or InconelX-750.

5. Three cap styles are available: plain lift lever,

packed lift lever and screwed cap.

6. Valves set under 15 psig [1.03 barg] are not

ASME code s tamped.

7. Valve capacities are listed in the PRV Capaci

Tables Catalog.

8. Model NR not certified for ASME III steam

service.




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RS Series - Section VIII SteamOpenOpenOpenOpenOpen YYYYYokokokokoke Pre Pre Pre Pre Pressuressuressuressuressure Re Re Re Re Reliefeliefeliefeliefelief VVVVValvalvalvalvalveeeee

RS Series Bill of Materials (S0 Trim)


1 Yoke SA216 WCB1, 2

2 Yoke Pin A108 CS

3 Set Screw A108 CS

4 Stem A479 316 SS


6 Point A582 416 SS


8A Top Spring Step A108 CS9 or A479 316 SS

8B Bottom Spring Step A108 CS9 or A479 316 SS



11 Yoke Gasket Soft Iron

12 Ring Pin Locknut A479 316 SS

13 Guide A494 M-35-2 Monel

14 Guide Gasket Soft Iron






20 Disc A564 Type 630 17-4 PH SS8

21 Nozzle Ring A351 CF8M 316 SS

22 Nozzle SA351 CF8M 316 SS or A479 316 SS

23 Spring A229 or A68910

24 Lever Fork Ductile Iron

25 Body A216 WCB1, 2

26 Body Plug CS

27 Jam Nut SA582 303 SS

28 Lifting Disc A479 316 SS

29 Cap Ductile Iron

30 Lift Cam Ductile Iron

31 Lever Pin CS

Bill of Materials - High Temperature (above 750F, 399C)


1 Yoke SA217 WC63

23 Spring A681 GR. H12 or B637 UNS N077502, 3, 4

25 Body SA217 WC63

Notes

1. For Models RS10, RS30, RS50.

2. For Models RS12, RS32, RS52.

3. For Models RS33, RS53.

4. High temperature spring is chrome-moly-tung-sten

alloy or Inconel.

5. Steam valves set under 15 psig [1.03 barg] are

not code stamped.

6. Valve capacities are listed in the PRV Capacity

Tables Catalog.


8. Not recommended for use above 800F

[427C]. Use S1 trim variation.


10.CS springs are aluminum coated.

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Corrosive ApplicationR,R,R,R,R,RBRBRBRBRB,,,,, RRRRROOOOO,,,,, and RBO Seriesand RBO Seriesand RBO Seriesand RBO Seriesand RBO Series

Carbon/SS Bill Of Materials

PPPPPararararart Namet Namet Namet Namet Name S1S1S1S1S1 S2S2S2S2S2 S3S3S3S3S3 S4S4S4S4S4 S5S5S5S5S5StandarStandarStandarStandarStandard Mad Mad Mad Mad Materialsterialsterialsterialsterials InterInterInterInterInternal Pnal Pnal Pnal Pnal Pararararartststststs CompleteCompleteCompleteCompleteComplete VVVVValvalvalvalvalveeeee CompleteCompleteCompleteCompleteComplete VVVVValvalvalvalvalv eeeee BelloBelloBelloBelloBellowswswswsws VVVVValvalvalvalvalveeeee

(-20F to +750F) Except Spring & Steps Except Spring & Steps (-20F to +1000F) SS Trim Below Bello[-29C to +399C] (-20F to +800F) (-20F to +1000F) [-29C to +538C] (-20F to +800F)[-29C to +427C] [-29C to +538C] [-29C to +427C]

Stem A479 316 SS A479 316 SS A479 316 SS A479 316 SS A479 316 SS

Point 7 A582 416 SS A479 316 SS A479 316 SS A479 316 SS A582 416 SS

Compression Screw A479 316 SS A479 316 SS A479 316 SS A479 316 SS A479 316 SS

Bonnet Plug8 CS CS A479 316 SS A479 316 SS N/A

Locknut A479 316 SS A479 316 SS A479 316 SS A479 316 SS A479 316 SS

Gasket, Cap Soft Iron Monel Monel Monel Soft Iron

Spring Steps1 A108 CS or A108 CS or A108 CS or A479 316 SS A108 CS or

A479 316 SS A479 316 SS A479 316 SS A479 316 SS

Body Studs SA193 GR. B7 SA193 GR. B7 SA193 GR. B8 SA193 GR. B8 SA193 GR. B7

Stud Nuts SA194 GR. 2H SA194 GR. 2H SA194 GR. 8 SA194 GR. 8 SA194 GR. 2H

Bellows Gasket (Top) Fiber and Nitrile Fiber and Nitrile Fiber and Nitrile Fiber and Nitrile Fiber and Nitril

Guide5 A351 CF8M 316 SS A351 CF8M 316 SS A351 CF8M 316 SS A351 CF8M 316 SS A351 CF8M 316

Bellows Gasket (Bott.) Fiber and Nitrile Fiber and Nitrile Fiber and Nitrile Fiber and Nitrile Fiber and Nitrile

Holder Insert A582 416 SS A479 316 SS A479 316 SS A479 316 SS A582 416 SS

Ring Pin Gasket Soft Iron Monel Monel Monel Monel

Ring Pin A479 316 SS A479 316 SS A479 316 SS A479 316 SS A479 316 SS

Disc Holder A351 CF8M 316 SS A351 CF8M 316 SS A351 CF8M 316 SS A351 CF8M 316 SS A351 CF8M 316

Disc Retainer A313 302 SS A313 302 SS A313 302 SS A313 302 SS A313 302 SS

Disc6 A479 316 SS A479 316 SS A479 316 SS A479 316 SS A479 316 SS

Nozzle Ring A351 CF8M 316 SS A351 CF8M 316 SS A351 CF8M 316 SS A351 CF8M 316 SS A351 CF8M 316 S

Nozzle11 SA351 CF8M 316 SS SA351 CF8M 316 SS SA351 CF8M 316 SS SA351 CF8M 316 SS SA351 CF8M 316

Spring4, 9, 10 A229 or A689 A229 or A689 A229 or A689 A313 316 SS A229 or A689

Cap A216 WCB A216 WCB A351 CF8M 316 SS A351 CF8M 316 SS A216 WCB

Bonnet3 SA216 WCB SA216 WCB SA351 CF8M 316 SS SA351 CF8M 316 SS SA216 WCB

Body3 SA216 WCB SA216 WCB SA351 CF8M 316 SS SA351 CF8M 316 SS SA351 CF8M 316

Body Plug CS CS SS SS SS

Bellows B443 Inconel625 B443 Inconel625 B443 Inconel625 B443 Inconel 625 B443 Inconel62

Bellows Flange A240 316L SS A240 316L SS A240 316L SS A240 316L SS A240 316L SS

Bellows Nut A479 316L SS A479 316L SS A479 316L SS A479 316L SS A479 316L SS

Bellows Spacer2 A106 CS A106 CS A479 316 SS A479 316 SS A479 316 SS

Notes

1. CS spring steps are zinc-cobalt plated for material

options S1, S2, S3, and S5.

2. Applicable to RB, RBO Series D and E orifice only.

3. High temperature (above 750F, 399C) body and

bonnet are SA217 WC6 for material options S1

and S2.

4. High temperature spring (above 450F, 232C)

material is A681 GR. H12 (chrome-moly-

Tungsten) or Inconelfor material options S1,

S2, S3, and S5.

5. Guide material for steam service is Monel,

A494 M-35-2 for material options S1 and S5.

6. Optional disc material for steam service is A564

Type 630, 17-4 PH SS for material option S1.

7. Not applicable to RB/RBO Series D and E orif

only.

8. Not applicable to RB/RBO Series.


10. SS springs not available for all sizes and

pressures. Inconel X-750 will be used.

11. A479 TY 316 SS may be used as alternate

material.

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Corrosive ApplicationR,R,R,R,R,RBRBRBRBRB,,,,,RRRRROOOOO,,,,,and RBO Seriesand RBO Seriesand RBO Seriesand RBO Seriesand RBO Series

MonelBill Of Materials

PPPPPararararart Namet Namet Namet Namet Name M1M1M1M1M1 M2M2M2M2M2 M3M3M3M3M3 M4M4M4M4M4 M5M5M5M5M5StandarStandarStandarStandarS

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