Download - HIGH PERFORMANCE BUTTERFLY VALVE...Type HG 1 DN 50 – DN 600 Double offset valve as wafer type butterfly valve for high pressure and temperature loads Wafer style Technical Data For

AdvantagesReliablesealingagainsthighpressuresandlowtorquesduetothedouble offsetdesign

Low-wearswitchingcharacteristics

Securestemsealing(Option:TA-Luft)

Variableseatringmaterials

GEFA-MULTITOPEfficientautomationwithvariableinterfacewithoutinterruptionofthestem

Pivotinganglelimitationandopticalpositionindicatoratthestempreventswrongpositionofthestemduringservicing

VDI 2440EPDM

CRYO-AUSFÜHRUNG-196°C

BUTTERFLY VALVES

HIGH PERFORMANCE BUTTERFLY VALVEButterflyvalvedoubleoffsetdesign|typeHG

1 Automation · StandardmountingflangeaccordingtoENISO5211· Directactuatormountingwithoutinterruptionofthestem· Variableandexchangeableforanyactuatorsize· Actuatorprotectionagainstleakage

2 Safety (option: TA-Luft) Stemsealingcanbere-tensionedbeneaththemountingflange; thus,itcanbereadjustedwithoutdismountingtheactuator.

3 Long service life Theinsertringofthebodyefficientlyprotectstheseatringfromthe directmediumflowandpreventswearsuchaserosionandabrasion.

4 Reliability Thedoubleoffsetdesignwithsphericalsealingsurfaceatthediscallowsswitchingwithminimumwearandoffersthehighestleveloftightnessandlowtorquesatthesametime.

5 Exact and variable Face-to-facedimension:EN558line20/25/16Option:Designwithgroove/springEN1092,formD

6 Precise mounting Easymountingduetocentringaidsforallstandardflanges.

7 Service-friendly Theaxialcentringofthestemcanbereachedeasilyandisprepared forlaterservice.

8 Efficient and safe Thecylindricalscrewsfixthemountingflangewithouttransferring torques(drivingtorques).

9Theclampingsleevesguaranteeaclearance-freeconnectionbetween themountingflangeandthebodyandtransferthedrivingtorques.

Efficientandsafeautomationwiththe interchangeableflangeGEFA-MULTITOP

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Subject to technical modifications

TECHNICAL FEATURESButterflyvalvedoubleoffsetdesign|typeHG

Type HG 1 DN50–DN600

Doubleoffsetvalveaswafertypebutterflyvalveforhighpressureandtemperatureloads

Wafer style

Technical DataForinstallationbetweenflangesEN1092, PN10/16/25/40,PS25 ASMECl150/300,PS25Temperature range-50°Cto+450°CVacuum:upto1mbar(abs)Face-to-face dimensionDINEN558line20Optional:line25andline16API609table1Mounting flangeDINENISO5211TestDINEN12266P10P11P12F20MarkingDINEN19,AD2000

Type HG 7 DN50–DN600

Doubleoffsetvalvewithlugsforhighpressureandtemperatureloads

Can be removed from theflange on one side


Type HG 7 ...BK DN50–DN600

Doubleoffsetvalvewithlugsforhighpressureandtemperatureloads

Can be removed from theflange on both sides


Type HGF DN50–DN600FireSafe version

Doubleoffsetvalvefor theuseintheFireSafe areaaccordingto DINENISO10497,API607undBS6755Part2

Wafer or lug style

Technical DataForinstallationbetweenflangesEN1092,PN10/16/25/40,PS25ASMECl150/300,PS25Temperature range -50°Cto+450°CFace-to-face dimensionDINEN558line20Optional:line25andline16API609table1Mounting flangeDINENISO5211TestDINEN12266P10P11P12F20MarkingDINEN19,AD2000

THE TYPESButterflyvalvedoubleoffsetdesign|typeHG

BUTTERFLY VALVES

Type HGC DN50–DN600Cryo version

Doubleoffsetvalvefortheusedownto-200°Cwithcryogenicstemextension aspressurechamber

Wafer or lug style


Type HGH DN50–DN600Valve with heating jacket

Doubleoffsetvalvewith heatingjacketwithtwochambersconnections:flange,weldingsocket,threadedsocket


Type HGHL DN50–DN600Welded valve

Doubleoffsetvalvewithdoubleshellforheatingwithoutinterruptionofthepipelineheating.

Technical DataForinstallationbetweenflangesEN1092,PN10/16/25/40,PS25ASMECl150/300,PS25Temperature range-50°Cto+450°CFace-to-face dimensionaccordingtocustomerspecificationsMounting flangeDINENISO5211TestDINEN12266P10P11P12F20MarkingDINEN19,AD2000

Type HG1 /7 L DN50–DN600Food

DoubleoffsetvalvefortheuseinthefoodindustryaccordingtotheregulationEC1935/2004

Technical DataForinstallationbetweenflangesEN1092,PN10/16/25/40,PS25ASMECl150/300,PS25Temperature range-20°Cto+200°CVacuum:upto1mbar(abs)Face-to-face dimensionDINEN558line20Optional:line25andline16API609table1Mounting flangeDINENISO5211TestDINEN12266P10P11P12F20MarkingDINEN19,AD2000VO(EG)1935/2004


Theseatringsystem

Highly flexible with optimisedrestoring forceIfitisinstalledintherecommendedflowdirection,thedifferentialpressureeffi-cientlysupportsthebubble-tightsealing

Options· Lowtemperatureseatring· Seatringmadeofhighperformanceplasticsforextremecasesofapplication

R-PTFE seat ring Highlyflexibledesign–chemicallyalmostunlimitedresistant.Pressure-resistantduetoglassfibrereinforce-mentevenathightemperatures. TightnessEN12266,leakagerateA.

Metal seat ringExcellentspringcharacteristicsduetothespecialform.Hightemperature-resistantduetotheseatringconstruction of:1.4571nitrated,tightnessupto+450°C,EN12266,leakagerateB.

Firesafe seat ringDoubleseatPTFE/1.4571certifiedaccordingtoENISO10497:2010-06API607,6thedition.

Thedoubleoffsetdesignallowsareliable,almostwear-freeshut-off. Duetothedoubledisplacementofthepivot,thevalvediscisliftedfromtheseatatthebeginningoftheopeningmovement.Theseatisthenfreefromheavypressureoverthewholecircumference.

The 90 ° turning is frictionless ateven reduced torques.

Thesedesigncharacteristicsallowanextremelylongfunctionallife–even athighswitchingfrequencies.Therecommendedpressuredirection(arrowmarkatthebody)ensurescompletetightness.

Theactivepressure(differentialpressure)ofthemediumadditionallysupportsthesealingfunctionviathepressingeffectoftheseatringagainstthesealingsurfaceofthedisc.Theinsertringandthebodyadditionallyprotecttheflexibleseatringefficientlyagainstnegativeflowinfluences.

Thedoubleoffsetdesign

DETAILED SOLUTIONSButterflyvalvedoubleoffsetdesign|typeHG

BUTTERFLY VALVES

Position Designation Material

≤ DN 300≥ DN 350

HG 4466 TGHG 4444 TG

HG 6666 TG HG 4435 MHG 4444 M

HG 6635 MHG 4435 HMHG 4444 HM

HG 6635 HM HGF 4466 TM HGF 6666 TM

max. operating temp. +220°C +220°C +220°C +220°C +450°C +450°C +200°C +200°C

1 Body 1.0619 1.4408 1.0619 1.4408 1.0619 1.4408 1.0619 1.4408

2 Valvedisc≤DN300≥DN350

1.44081.0619/nickel-plated

1.44081.4408

1.4408/ nitrated1.0619/ nickel-plated

1.4408/ nitrated1.4408/ nitrated


1.4408/ nitrated1.4408/ nitrated


1.44081.4408

3 Welle 1.4571 1.4571 1.4571 1.4571 1.4571 1.4571 1.4571 1.4571

4* Seatring PTFE/Glas PTFE/Glas 1.4571/nitrated/ Graphite**

1.4571/nitrated/ Graphite**



PTFE/1.4571/nitrated+ Graphite

PTFE/1.4571/nitrated+ Graphite

5 Bearingbush 1.4401/PTFE 1.4401/PTFE 1.4401/PTFE 1.4401/PTFE 1.4571/nitrated 1.4571/nitrated 1.4571/nitrated 1.4571/nitrated

6* Package PTFE PTFE PTFE PTFE Graphite Graphite Graphite Graphite

7 Insertring C-steel 1.4571 C-steel 1.4571 C-steel 1.4571 1.4571 1.4571

Pressureandtemperaturerangediagram

Dif

fere

ntia

l pre

ssur

e ba

r

0-40 50 100 150 200 250 300 350 400 4500

5

10

15

20

25

30

35

500

Body

40

45

50

55

POM seat

PEEK seat

Saturated steam

DN 50 - DN 300

PTFE seat PTFE/glass seat

PTFE/carbon seat

Metal seat

PN 25

PTFE seat

0

5

10

15

20

25

POM seatPTFE/glass seat

DN 600

Dif

fere

ntia

l pre

ssur

e ba

r

0-40 50 100 150 200 250 300 350 400 450 500

PTFE/carbon seat

Metal seat

Body

Saturated steam

Temperature °C

PN 10

Metal seat

PTFE/glass seat

40

35

30

25

20

15

10

5

0

POM seat

PTFE/carbon seat

Body Saturated steam

DN 350 - DN 500

Dif

fere

ntia

l pre

ssur

e ba

r

0-40 50 100 150 200 250 300 350 400 450 500

PTFE seat

PN 16

Temperature °C

Temperature °C

Druck/Temperatur-Diagramm

Dif

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ntia

l pre

ssur

e ba

r

0-40 50 100 150 200 250 300 350 400 4500

5

10

15

20

25

30

35

500

Body

40

45

50

55

POM seat

PEEK seat

Saturated steam

DN 50 - DN 300


PTFE/carbon seat

Metal seat

PN 25

PTFE seat

0

5

10

15

20

25


DN 600

Dif

fere

ntia

l pre

ssur

e ba

r

0-40 50 100 150 200 250 300 350 400 450 500

PTFE/carbon seat

Metal seat

Body

Saturated steam

Temperature °C

PN 10

Metal seat

PTFE/glass seat

40

35

30

25

20

15

10

5

0

POM seat

PTFE/carbon seat


DN 350 - DN 500D

iffe

rent

ial p

ress

ure

bar

0-40 50 100 150 200 250 300 350 400 450 500

PTFE seat

PN 16

Temperature °C

Temperature °C


Dif

fere

ntia

l pre

ssur

e ba

r

0-40 50 100 150 200 250 300 350 400 4500

5

10

15

20

25

30

35

500

Body

40

45

50

55

POM seat

PEEK seat

Saturated steam

DN 50 - DN 300


PTFE/carbon seat

Metal seat

PN 25

PTFE seat

0

5

10

15

20

25


DN 600

Dif

fere

ntia

l pre

ssur

e ba

r

0-40 50 100 150 200 250 300 350 400 450 500

PTFE/carbon seat

Metal seat

Body

Saturated steam

Temperature °C

PN 10

Metal seat

PTFE/glass seat

40

35

30

25

20

15

10

5

0

POM seat

PTFE/carbon seat


DN 350 - DN 500

Dif

fere

ntia

l pre

ssur

e ba

r

0-40 50 100 150 200 250 300 350 400 450 500

PTFE seat

PN 16

Temperature °C

Temperature °C


Availablematerials

Control range20°–60°openingangle

Vacuum-tightupto1mbar(a)

Flange surfacesaccordingtoDINEN1092-1formB1

Thepressureandtemperaturerangediagramshowstheapplicationlimitsofthedifferentseatringmaterials. Theselimitsapplytotheintendeduse.Processvariables andcharacteristicsofthemediumcaninfluencethevaluesofthediagram.Temperaturesbelow-50°Cuponrequest.

Nominal size Nominal pressuremax. operating pessure

DN50–DN300PN10/16/25/40ANSI150/300

25bar

DN350–DN500PN10/16/25ANSI150

16bar

DN600–DN1000PN10/16ANSI150

10bar

Themaximumoperatingpressuredependsontheoperatingtemperature.

*Sparepart/wearpart,**Option:1.4571/nitrated/PTFE


TECHNICAL DATAButterflyvalvedoubleoffsetdesign|typeHG