Pentair Keystone Figure 952 NPS 2 Istruzioni per l'installazione

KEYSTONE FIGURE 952 KNIFE GATE VALVES

NPS 2 - 24 DiSaSSembly iNStructioNS

Removal, disassembly and inspection instructions.

RISING SPINDLE VALVES

•Ensureallpartsarecleanandfreeofforeign

material, particularly the chest area between

the gland and valve bore.

•Foroptimumleak-freeservice,gatefaces

andedgesmustbesmooth,andfreeof

gallingorburring.Repairorreplaceif

excessively worn or damaged.

•Seatingfacesinvalveboremustbesmooth

andundamagedotherwiseleakageislikely

tooccur.Replaceifnecessary.

•Checkglandsealingfacesontopof

valve body. They should be smooth and

undamaged.Repairifnecessary.

•Checkthreadsonspindlesandbolts-

repair/replaceifnecessary.

•Replacelocknutsifthreadsarestripped

orweakened.Theseareusedasprotection

against vibration.

•Checkandreplacegateguides(13)ifnecessary.

NOTE:

NPS2-8F952valveillustrated

NOTE:

NPS10-24F952valveillustrated

www.pentair.com/valves PPLBE-0004-US 14/07

REMOVAL AND DISASSEMBLY

1. Ensure pipeline is not pressurized and that

any hazardous medium is drained away.

2.Largevalvesneedachainblockorcraneto

assist.Iflarge,heavycylindersarefitted,they

canberemovedfirstiffeltnecessary:

 •Disconnectactuatorairlinesandpower

supplies etc.

 •Supportactuator,disconnectactuatorrod

fromvalvegate,undobridgeboltsorhold

downbolts,removeactuatorfromvalve.

3.Supportvalvebodyandremoveallflange

bolts.

4.Removevalveandgasketsfromthepipeline.

For NPS 2-8 valves

 •Loosenglandboxnuts(10)toendofpillar

(9)threads.Removeclevisfastener(15).

Removebothbridgenuts(13).

 •Removehandwheel(oractuatorassembly.

Unscrewbothpillars(9)andremove.

For NPS 10-24 valves

 •Removeglandboxnuts(10)andwashers

(11,12).Removeclevisfasteners(19,20).

 •Removeuprightbolts(14)andwashers(15)

atvalvebody(1).Removepillarnut(23)and

washer(22).

5.Withdrawglandbox(3)andgate(2)assembly.

6.Removegateguides(13)fromvalvebody(1).

KEYSTONE FIGURE 952 KNIFE GATE VALVES

NPS 2 - 24 DiSaSSembly iNStructioNS

NON - RISING SPINDLE VALVES

•Ensureallpartsarecleanandfreeofforeignmaterial,particularlythechestareabetweenthe

gland and valve bore.

•Foroptimumleak-freeservice,gatefacesandedgesmustbesmooth,andfreeofgallingor

burring.Repairorreplaceifexcessivelywornordamaged.

•Seatingfacesinvalveboremustbesmoothandundamagedotherwiseleakageislikelytooccur.

Replaceifnecessary.

•Checkglandsealingfacesontopofvalvebody.Theyshouldbesmoothandundamaged.Repair

ifnecessary.

•Checkthreadsonspindlesandbolts-repair/replaceifnecessary.

•ReplaceNylocnutsifthreadsarestrippedorweakened.Theseareusedasprotectionagainst

vibration.

•Checkandreplacegateguides(11)ifnecessary.

REMOVAL AND DISASSEMBLY

1. Ensure pipeline is not pressurized and that any hazardous medium is drained away.

2. Largevalvesneedachainblockorcranetoassist.Iflarge,heavycylindersarefitted,theycan

beremovedfirstiffeltnecessary:

•Disconnectactuatorairlinesandpowersuppliesetc.

 •Supportactuator,disconnectrodfromvalvegate,undobridgeboltsorholddownbolts,

removeactuatorfromvalve.

3. Supportvalvebodyandremoveallflangebolts.

4. Removevalveandgasketsfromthepipeline.

 •Removeglandboxnuts(8)andwashers(21,10).Removeclevisfasteners(13)andwashers

(22).

 •Removeuprightmountingbolts(12)andwashers(14)atvalvebody(1).Removepillarnut(19)

andwasher(9).

5. Withdrawglandbox(3)andgate(2)assembly.

6. Removegateguides(11)fromvalvebody(1).

NOTE:

NPS10-24F952non-risingspindlevalveillustrated.

PENTAIR VALVES & CONTROLS

www.pentair.com/valves

AllPentairtrademarksandlogosareownedbyPentairLtd.Allotherbrandorproductnamesaretrademarksorregisteredmarksoftheirrespectiveowners.

Becausewearecontinuouslyimprovingourproductsandservices,Pentairreservestherighttochangeproductdesignsandspecificationswithoutnotice.

Questo manuale è adatto per i seguenti modelli

Indice

Altri manuali Pentair Unità di controllo

Pentair

Pentair FLECK3150 DOWNFLOW Manuale utente

Pentair

Pentair F783E Manuale utente

Pentair

Pentair AUTOTROL 363 Manuale utente

Pentair

Pentair ANDERSON GREENWOOD 95 POSRV Specifiche tecniche

Pentair

Pentair PERFORMA CV Series Manuale utente

Pentair

Pentair Fleck 2850 NXT Guida utente

Pentair

Pentair FLECK 2850 SXT Manuale utente

Pentair

Pentair HI FLOW SIX-WAY 1-1/2 INCH TOP MOUNT VALVE Manuale utente

Pentair

Pentair AUTOTROL 368 Manuale utente

Pentair

Pentair 2750 Manuale utente

Pentair

Pentair FLECK 2850 SXT Guida utente

Pentair

Pentair Fleck 2510 ECONOMINDER Manuale utente

Pentair

Pentair DSD50 Series Manuale utente

Pentair

Pentair TRACETEK TTDM-128 Manuale utente

Pentair

Pentair HI-FLOW 261049 Manuale utente

Pentair

Pentair F251 Istruzioni per l'installazione e il funzionamento

Pentair

Pentair E-Box INTELLIPOOL Istruzioni operative

Pentair

Pentair Fleck 9000-SXT Manuale utente

Pentair

Pentair JUNG PUMPEN HIGHLOGO 1-25 LC Manuale utente

Pentair

Pentair FLECK PROFLOSXT DOWNFLOW Manuale utente

Pentair

Pentair FLECK 7000XTR Manuale utente

Pentair

Pentair Autotrol Performa 400 Series Manuale utente

Pentair

Pentair Aurora CBV-S Manuale utente

Pentair

Pentair FLECK 3900 Manuale utente

Manuali Unità di controllo popolari di altre marche

Festo

Festo Compact Performance CP-FB6-E Manuale elenco delle parti

Elo TouchSystems

Elo TouchSystems DMS-SA19P-EXTME Manuale utente

JS Automation

JS Automation MPC3034A Manuale utente

JAUDT

JAUDT SW GII 6406 Series Guida rapida

Spektrum

Spektrum Air Module System Manuale utente

BOC Edwards

BOC Edwards Q Series Manuale utente

KHADAS

KHADAS BT Magic Manuale utente

Etherma

Etherma eNEXHO-IL Manuale utente

PMFoundations

PMFoundations Attenuverter Manuale utente

GEA

GEA VARIVENT Manuale utente

Walther Systemtechnik

Walther Systemtechnik VMS-05 Manuale utente

Altronix

Altronix LINQ8PD Istruzioni per il montaggio

Eaton

Eaton Powerware Series Manuale utente

WAGO

WAGO 750-407/040-000 Manuale utente

Sony

Sony CCU-590 Manuale utente

Graco

Graco 25D614 Manuale utente

Task Force Tips

Task Force Tips YE-RF-900 Manuale di programmazione

Shini

Shini SPV-U Series Manuale utente