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SCEHeavy Duty, Single Stage,Overhung, API 610Process Pump (OH2)

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Selection Chart

   T   O   T

   A   L

   H   E   A   D

FLOW

2 3 4 6 8 10 15 20 30 40 50 60 80 100 150 200 300 400 600 1000

8 17 25 33 42 50 67 83 125 167 250 333 500 833 1250 1667 2500

10 20 30 40 50 60 80 100 150 200 300 400 600 1000 1500 2000 3000

2 3 5 7 8 13 17 25 33 42 50 67 83 125 167 250 333 500 833

208

104

347

278

139

69

56

42

35

28

21

14

  800

  400

1000

  600

  500

  300

  200

  150

  100

80

300

100

500

400

200

150

80

60

50

40

30

20

417

694

556

347

278

208

139

104

69

56

gpm

gpm

m m

m³/h

 m³/h

ft ft

60 Hz50 Hz

 

Bearing bracket 35

Bearing bracket 55

Bearing bracket 75

SCE / 2 Poles

SCE / 4 Poles

   T   O   T   A   L

   H   E   A   D

FLOW

5 6 8 10 20 30 40 50 60 80 100 150 200 300 400 600 1000 2000 4000 6000

4 5 7 8 17 25 33 42 50 67 83 125 167 250 333 500 833 1667 3333 5000

1 2 3 4 6 8 10 15 20 30 40 60 80 100 150 200 300 400 600 1000 2000

1 2 3 5 7 8 13 17 25 33 50 67 83 125 167 250 333 500 833 1667

150

60

300

200

100

80

40

30

20

15

10

8

65

4

104

42

208

139

69

56

28

21

14

10

7

6

43

2.8

500

400

150

800

600

300

200

10080

6050

40

30

20

15

347

278

104

556

417

208

139

6956

4235

28

21

14

10

gpm

gpm

m m

m³/h

 m³/h

ft ft

Bearing bracket 35

Bearing bracket 55

Bearing bracket 75

Bearing bracket 90

60 Hz50 Hz

 

3

SCEHeavy Duty, Single Stage, Overhung

API 610 Process Pump (OH2)

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Characteristics

Images for general arrangement use only, not certified for construction.

5 MECHANICAL SEALMechanical seal chamber

dimensions according toAPI 610 and API 682.

BEARING BRACKETIncreased bearingbracket stiffness forheavy duty service,guarantees low vibrationlevels, ensuring safetyand reliability. Isdesigned with internaltaper to prevent oil flowto mechanical sealduring disassembly.

8 CASING COVERCasing/Casing cover in metal-to-metal contact. The Non-asbestosspirally wound gasket is made ofstainless steel/graphite foils andit is totally enclosed ensuring

sealing without misalignment.

6 CENTERLINEMOUNTED CASEFeatures a back-pull-outdesign for easymaintenance. The casing aswell as the fully welded,fabricated steel baseplatewith integrated dripplate arefully compliant to API.

9 VOLUTE CASING75 volute casing pump sizes for 50 and60Hz operation. Centerline dischargenozzles from 1” to 12”, in compliance withAPI 610, latest Edition.

4 SEALSVersatile labyrinth seals andbearing isolators designed towork with either oil or oilmist lubrication.

10 SUCTION & DISCHARGENozzles integrally castwith casing. 300#Nozzles are standardwhile 600# available as

option.

7

11

IMPELLERFull complement of renewablefront and back impeller wearrings, casing and casing coverwear rings and throat bushingare standard.

LAP-JOINT CONNECTION(Registered design) to mechanical seal.Easy maintenance. Integrated orificepossible.

3 COOLING COILAvailable Cooling Coilin Bearing Housing foreffective Oil Cooling.

12 WATER COOLINGWith finned-tube insert isoptional to allow the bearingbracket to maintain optimaloil/bearing temperature.

CONSTANT LEVEL OILERProvided with sight glassfor visual inspection and oilsampling.

12

4

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14 SHAFTPer API 610, bearing bracket andcasing cover are provided withpre-determined permanent locationsto inspect vibration and oil/bearingtemperatures.

Capacity up to 3,200 m3/h 14,000 U.S. gpmHead up to 480 m 1,575 ftPressure up to 90 bar 1,300 psigTemperature -80 °C to 450 °C -110 °F to 850 °FFlange size 1 to 12 in

SCE Performance Data

• Horizontal, radially split case, heavy-duty centrifugalprocess pump

• Centerline mounted• End suction, centerline discharge

• Single stage, single suction, enclosed impeller (keyed andlocked with cap nut to the shaft)

• Clockwise rotation viewed from the driver end,hydraulically balanced

• Top-top nozzle design available

• Customized base plate available to meet specific customerrequirements

•

Robust construction is designed to comply with the latestedition of API 610

Description

Benefits

• Our centerline discharge nozzle is designed to withstandhigher piping loads than other discharge designs

• Balancing holes in impeller reduce axial thrust

• Longer bearing life due to the lower axial thrust

• Solutions for high suction pressure services

• We have over 130 hydraulic combinations to cover almostall of our customer’s requirements

• Available in a wide range of materials (A8, C6, D1, D2, S1,S5, S6, S8, T1, T2)

• Back-pull-out design for easy maintenance

For Pump operation outside this range, please contact aRuhrpumpen representative.

17 BEARINGSAntifriction bearings robustlydesigned to provide L10bearing life above API 610requirements.

16 SHAFTShaft deflection of less than0.0011in (0.03mm) in thestuffing box area is achievedthrough the usage of a robust,large diameter shaft ofminimum length, correctsizing of the bearings, and theuse of double volutes when

needed. This optimalcombination ensures a lowerL3/D4 ratio.

15 FAN COOLINGFins and standard fancooling combine to reducebearing temperature andmaximum heat dissipation.

Applications

• Petroleum Refining, Production and Distribution (Pipeline)

• Industrial Wastes

• Petrochemical and Chemical Industry

• Gas Industry Services

• Hydrocarbon Processing

• Hot Oil Service

• Utilities

• Boiler Feed Recirculation and HRSG Recirculation

• Water

• General Industry

3 BEARING LUBRICATIONDesigned with effective and provenring oil system for optimal andeffective bearing lubrication.

5

SCEHeavy Duty, Single Stage, Overhung

API 610 Process Pump (OH2)

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Optional Features

• For low flow applications.

• For medium pressure.

• For high pressure applications up to 1,300 psi (90 bar).

• In case of low NPSH available values, the installation

of an inducer is possible.

• Coke Crusher configuration also available.

•

Water cooling for bearing bracket if needed.

• Heat flinger. Dissipates shaft-conducted heat.

• Different impeller types:

  A – For low NPSH (standard).

  B – For higher flow.

• Pure/purge oil mist lubrication available.

• Flushed Wear Rings and Non Metallic Wear Rings

for abrasive services available.

Ruhrpumpen offers besides the more commonmechanical retrofits, also Power retrofits (includingimpellers) to improve operations and save money onenergy. This might be necessary when pumpoperating conditions have been changed, if we haveexcessive wear ring clearances or there might evenbe new (better) techniques in the market.

Ask your Ruhrpumpen representative for moreinformation.

Special Configuration and Optional Features

Synergetic Retrofit®

SCEInducer

Impeller forlow NPSH

6

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Other Ruhrpumpen Products

Horizontal Split Case Pump Single Stage

Vertical Barrel Pump

Vertical Turbine Pump

NE - Cast Iron body, multi-purpose pump, doublemechanical seal, dischargenozzle up to 6”, semi-openimpeller.General Industry,Commercial, Irrigation,Farming, Landscaping.

VTP - Multistage verticalcentrifugal pump with dif-fuser type bowl, semi-open/ enclosed impellers, castiron bowls, counterclockwise

rotation viewed from couplingend.Deep well and irrigation,cooling tower, sump,condensate, can pumprequirements.

HSD - Single stage doublesuction horizontal centrifugalpump, foot mounted, oil orgrease lubricated bearings.Dewatering, Mining, Water,Fire service, Cooling Towers,Municipal, Oil Process,Petrochemical, SugarIndustry, Paper Industry,Pipeline, Power Generation.

VLT - Low NPSH “ShocklessEntry” first stage impeller

(single or double suction),Single or multi-stage.Heavy duty process designaccording to API 610 latestedition (Type VS6).Condensate, Power Plants,Municipal, Hydrocarbons,Pipeline and Refineries.

Submersible Sewage Pump

CPP - Single Stage endsuction horizontal centrifugalpump, enclosed impeller,radially split casing withflanged connections.

Petrochemical, Oil & Gas,Steel Industry, Automotive,Food Processing, PowerGeneration,Pharmaceuticals, WaterTreatment, General Process.

ANSI Horizontal Process Pump

SM - Axially split, horizontal

multi-stage, centrifugalpump, near-centerlinemounted, single suction,radial, closed impeller (APIType BB3).Oil Fields and Terminals,Water Pipelines, FluidInjection and High PressureServices.

Multi-Stage, Axially Split Casing Pump

SCEHeavy Duty, Single Stage, Overhung

API 610 Process Pump (OH2)

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Ruhrpumpen Plants

International service and support

USA, TULSA & ORLAND

MEXICO, MONTERREY

BRAZIL, RIO DE JANEIRO

ARGENTINA, BUENOS AIRES

GERMANY, WITTEN

EGYPT, SUEZ

INDIA, CHENNAI

CHINA, CHANGZHOU

  Represented by

July.14   www.ruhrpumpen.com