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• Fig752with Steel-ReinforcedU-Seal• Fig755FRLwith Steel-Reinforced PolyurethaneBoreLiners andSteel-Reinforced U-Seal• Fig755PwithPolyurethane LinedBodyand Steel-ReinforcedU-Seal • Two-Piece,BoltedBody• ReinforcedReplaceable BoreLiners• ReinforcedReplaceable PeripheralU-Seal• Ground-Finished StainlessSteelGate• Multi-LayeredPacking withQuadSeal• ZeroLeakage- Leak-TestedinBoth Directions
TOUGH,INDUSTRY-PROVENVALVESWITHFIELD-REPLACEABLEBORELINERSANDU-SEAL.
WIDELYUSEDINMININGANDPROCESSPLANTSFORABRASIVEANDCORROSIVESLURRYAPPLICATIONS.
SERIES750BI-DIRECTIONALSLURRYGATEVALVES
•Straight-through,uninterruptedflowreducesturbulenceandassistswithmaximumliner&seatperformanceinheavysolids.
•StandardvalvecomplieswithMSSSP-81face-to-facedimensions.
VAASSERIES750BI-DIRECTIONALSLURRYVALVES
SERIES750OFFERSARANGEOFKNIFEGATEVALVESDESIGNEDFORBI-DIRECTIONALTIGHTSHUT-OFFTOHANDLEDIFFICULTMEDIASUCHASABRASIVESLURRIES,SLUDGESANDDRYPOWDERS.
TECHNICALDATA
SizeRange:50mm/2”to600mm/24”
OperatingPressure:10bar/150psiOptions:16bar/240psiand20bar/300psi
BoreLiners(for755FRL):Polyurethanewithsteelreinforcement.Option:Mouldedpolyurethanelinedbodyhalves- minimumthickness-2.5mm.
U-Seal:Nitrilewithsteelreinforcementratedto90˚C/194˚F.Option:Vitonwithsteelreinforcementratedto200˚C/392˚F.
Flanges:DrilledtosuitANSI150,AS,BS,DIN,JISandotherinternationalstandards.
TYPICALAPPLICATIONS
• Isolationofinterconnectedslurrypumpinglines.• Air/Gastightapplications.• High-pressureslurryhandling.• Generalbi-directional/reversepressureisolation dutiesforawiderangeofmedia.• Erosiveandabrasiveapplications.• Miningandoreprocessing.• Coalwasheries.• Vacuumapplications.
VAASSERIES750 BI-DIRECTIONALSLURRYGATEVALVES2
TheVAASSeries750usesanelastomersealaroundtheperipheryofthegatetoacheivefluidsealing,asopposedtouni-directionalknife-gatevalves,whichareface-sealing.Theperipheralsealbeingsymmetrical,sealingremainsidenticalfromeitherdirectionofflow,thusofferingfullybi-directionalvalveshut-off.Thevalveisfittedwithaspecialelastomerquad-sealinthegland-packingwhichprovidesenhancedsealingtoatmosphere.
TheVAASSeries750offersastraight,unrestrictedflow-pathwithboreequaltoschedule40pipediameter.Thisfeature,combinedwithminimumface-to-facedimensionsofitswaferdesign,offerstheleastpossiblepressuredropacrossthevalve.
Thestandardrangeisdesignedfor10bar/150psiCWP.
Valvesarealsomanufacturedfor16bar/240psiand20bar/300psihigher-pressureapplications.
SuperstructuresforallVAASknife-gatevalvesaredesignedforeasyinterchangeability,orsiteretrofit,betweenmanualhandwheelandVAASpneumaticactuation.
TheSeries750offersthreemodels-Fig752(withreinforcednitrileU-Seal),Fig755FRL(withreinforcedpolyurethaneborelinersandreinforcednitrileU-Seal)andFig755P(withpolyurethanelinedbodyandreinforcednitrileU-Seal).
VAAS Fig 755 FRL - Actuated
FEATURES-DESIGN
TWOPIECEBOLTEDBODY
• Easytodismantleforsealandlinerreplacement;uniquedesignwithidenticalcastbodyhalves.• 10bar/150PSICWPratingwithface-to-facedimensionscomplyingwithMSSSP-81foreasy interchangeabilitywithconventionalknifegatevalves.• Widechoiceofinternationalflangedrillingoptions-ANSI,AS,BSandotherinternationalstandards.• Fullportflow-Schedule40pipeIDbore-minimizespressuredrop,eliminatesturbulence,abrasivewearand prematurefailureofvalve.
REINFORCEDREPLACEABLELINERS(Fig755)
• Fieldreplaceablefullboreliners(steelreinforcedpolyurethane)standardforFig.755,forfastturn-aroundand lowcostmaintenance.• Increasedbody-borewearprotection.
POLYURETHANELINED(Fig755P)
• Polyurethanelinerbondedtobodyhalves,includingflangefaces,fortotalprotectionfrommedia.
REINFORCEDPERIPHERALSEAL
• Offersbi-directional,zeroleakageshut-off.Testedfortightshut-offfrombothdirections.• Bi-directionalcapabilitiesfacilitateeasyinstallation.• Steelreinforcementoftheelastomersealincreasesstrengthofsealandprovideslonglastingresiliencein toughslurryapplications.• Quickseatchange-maintenancefriendly-easyreplacementandlessdowntime.• Peripheralsealalsodoublesasbodygasket-noadditionalgasketisrequiredforbodyhalves.• Widematerialoptionsareavailabletosuitprocessmedia-nitrilerubber,vitonandothers.
GATE
• Highqualityground-finishedstainlesssteelgatereducespackingstress,frictionandoperatingforce,thereby increasingpackinglifeforoptimumsealingandlowermaintenance.• Generousgatethickness,wellsupportedbybodyhalves,resistsdistortionordeflection.
PACKING
• Multi-layered,squarebraidedpackingprovidesefficientglandsealingatfullratedpressureofvalve.• Valveisfittedwithacentrallayerofelastomer“quad”sealforenhancedglandsealing(semi-energised).• Wipersealoptionsavailabletoincreasepackinglifefortoughslurryservices.
NON-RISINGSTEMOPTION
• Risingstemasstandardsupply.• Non-risinghandwheeloperationisalsoavailablefortightspacesandtoprovideincreasedoperatorsafety.
ACTUATOR
• Double-actingpneumaticcylinderactuatorwhichcanbeeasilyretrofittedonsiteforallsizes.• Options:Electricandhydraulicactuators,chainwheels,etc.• Handwheeloperatedasstandardupto250mm/10”.Gearoperatorsfitted300mm/12”andabovebutalso availableforsmallersizesinhigherpressureapplications.
VAASSERIES750 BI-DIRECTIONALSLURRYGATEVALVES3
FEATURES-SEATANDGLANDSEALING
Glandpackingdetails:Multi-layeredsquarebraidpackingwith
central“quad”seallayer.
PACKINGANDGLANDBOX
• Self-aligningglandboxensures positivesealbetweengateand packing.
• Glandboxisfullyserviceableonsite whichfacilitateseasyreplacementof packingandadjustmentofglandnuts byspanner.
• Machinedglandpocketareaprovides tightsealbetweengateandseating faceinbody,achievingcorrect alignmentandenhancedseallife.
• Enhancedglandsealingisobtained byacentrallayerofsemi-energised elastomer“quad”seal.
Fig755FRLReplaceablepolyurethaneborelinerscoverentirebody-boreofvalve.
SEATDESIGN
• Bi-directionaltightshut-offisachieved throughsealformedwhentheperiphery ofgatecomesincontactwithnitrile rubberU-seal.
• Steelreinforcementincreasesstrengthof nitrileU-sealandprovideslong-lasting resilience.
• Fig.755(above)hasfield-replaceable (FRL)steelreinforcedpolyurethaneliners whichcovertheentireboreofthevalve preventingmediacontactwithbody.
• Fig.755hasjustthreefield-replaceable partsforeaseofmaintenancei.e.U-seal andtwobodyliners.
• Fig.752(below)hassameseatdesignas Fig.755i.e.replaceableU-seal.
Fig755FRLU-Sealandbody-boreliners-fieldreplaceableparts.
Fig752ReinforcednitrileU-Seal
Fig755FRLCross-sectionalview
VAASSERIES750 BI-DIRECTIONALSLURRYGATEVALVES4
FEATURES-OPTIONS
VAASSERIES750 BI-DIRECTIONALSLURRYGATEVALVES5
VAASFig752Forlessdemandingbi-directionalslurry
applications.
VAASFig755FRLReinforced,replaceableborelinersthatprotecttheboreinabrasiveapplications.
VAASFig755PInternalpolyurethanelinedbodyoffersaddedreliabilityandlonger
lifeinanumberofdemandingapplications.Theliningprotects
bodyfrommedia.
Gate
ReinforcedU-Seal(Nitrile)
Body
Moulded polyurethane
(Minimum thickness 2.5mm)
VAASFig710Slim-Design,Bi-Directionalgatevalverated7bar/100psiwithnitrilebodysealringsforgatefacesealing.ValvesaredrilledinthechestareatofitbetweenANSIclass150,300and600flanges.Valveendsareflat-faceforgasketsealingandgenerallyusedforlow-pressuretestingofpipelines.
• Vitonsteel-reinforcedU-Sealforcorrosiveandhigh-temperatureapplications.
• Hardchrome-platedgate.
• Bodyinstainlesssteelsandhighalloysforspecificcorrosiveapplications/environments.
• 16bar/240psiand20bar/300psidesignsforhigherpressureapplications.
VAAS Fig 755P
VAASSERIES750 BI-DIRECTIONALSLURRYGATEVALVES6
1 BODY - 2 HALVES
2 U-SEAL
3 FULL BORE LINER - 2 PIECES
4 GLAND POCKET
5 BODY FASTENERS
6 GATE
7 GLAND PACKING
8 GLAND
9 GLAND FASTENERS
10 YOKE
11 CLEVIS
12 STEM / PISTON ROD
13 PNEUMATIC ACTUATOR
14 TIE RODS
15 CYLINDER AIR PORTS
16 STROKE ADJUSTMENT BOLT
1
2
3
5
6
7
4
8
9
10
12
11
13
14
15
15
16
3
EXPLODED VIEW OF VAAS FIG. 755 FRL BI-DIRECTIONAL SLURRY GATE VALVE.
ITEM
COD
EOPTIONS
ITEM
COD
EOPTIONS
Size
0200
0300
0400
0500
0600
0800
1000
1200
1400
1600
1800
2000
2400
50mm/2inch
80mm/3inch
100mm/4inch
125mm/5inch
150mm/6inch
200mm/8inch
250mm/10inch
300mm/12inch
350mm/14inch
400mm/16inch
450mm/18inch
500mm/20inch
600mm/24inch
Mod
elFIG752
FIG755
FIG755P
Bi-directionalvalve,waferstyle,mid-flangetwopiece
splitbodydesign
Bi-directionalvalve,waferstyle,mid-flangetwopiece
splitbodydesignwithfullborepolyurethaneliner
Internalpolyurethanelinedvalve
Ends
tyle
WT
WTM
Blindholesinchestareaandothersasthroughholes
Metricblindholesinchestareaandothersas
throughholes
Dri
lling
FF TosuitmountingbetweenANSI150lbflanges
G1 TosuitmountingbetweenDINPN10flanges
G2 TosuitmountingbetweenDINPN16flanges
HDTosuitmountingbetweenBS10TableDflanges
HE
TosuitmountingbetweenBS10TableEflanges
JS1 TosuitmountingbetweenJS110Kflanges
F10 TosuitmountingbetweenAS2129TableDflanges
F11 TosuitmountingbetweenAS2129TableEflanges
Fx
Specialdrilling
Bod
yCI
CI
CastIron
DI DuctileIron
S1
SS304
S2
SS316
Bx Special
Gat
eS1
S1
SS304
S2
SS316
GT-xSpecial
Opt
ion
HC
HardChromePlating
Seal
RS80
RS80NITRILEsealwithsteelreinforcement-
max90°C/194°F
RS85VITONsealwithsteelreinforcement-
max200°C/392°F
RSx Special
Ratin
gCWP-10
CWP-1010bar/150psiCWP
CWP-1616bar/240psiCWP-OnApplication
CWP-20
20bar/300psiCWP-OnApplication
CWPx
Special
Spec
ials
SGSG Stemguard
Act
uato
rCHG
CHG
Risingstemdirectmountedhandwheel
CRG
Non-risingstemdirectmountedhandwheel
CGGx
Openbevelgearoperator
CEGx-Fx Enclosedbevelgearoperator
RCGC
Pneumaticcylinder
MAxSpecialmanualactuator
PAx Specialpneumaticactuator
HydraulicandElectricActuators-OnApplication
Pain
ting
PSPS
Standardpainting-twopackbluePhirozi(RAL5012)
epoxyonallnon-stainlesssteelparts
PxSpecialpainting
Test
ing
TSTSPre-despatchtestasperVAASstandard
TCSpecialtests
Spec
ial
Cons
truc
tion
SPx
Otherspecialconstructions
Pack
ing
CCQ
SquarebraidedPTFEimpregnatedsyntexfibrewith
nitrilequadsealmiddlelayer-max90°C/194°F
CSquarebraidedPTFEimpregnatedsyntexfibrefor
hightemperatureapplication-max200°C/392°F
Mx Special
Opt
ion
S
Scraperlayerpolyurethane-max80°C/176°F
VA
AS
FIG
URE
NU
MB
ERIN
GS
YSTE
M
VAASSERIES750 BI-DIRECTIONALSLURRYGATEVALVES7
VAASSERIES750VALVEPARTS&MATERIALS
NO.12345
6
789101112131415
DESCRIPTIONBODYBORELINERSEALFASTENERS(Body)GATE
PACKING
GLANDFASTENERS(Gland)YOKESTEMCLEVISFASTENERS(Clevis)COLLARYOKESLEEVEHANDWHEEL
MATERIALCASTIRON / DUCTILEIRON*POLYURETHANEwithSTEELREINFORCEMENTNITRILE*CARBONSTEEL316STAINLESSSTEEL*
PTFEIMPREGNATEDSYNTEXFIBREwithNITRILEQUADSEAL*
DUCTILEIRONCARBONSTEELDUCTILEIRON / WCB304STAINLESSSTEEL304STAINLESSSTEELCARBONSTEELDUCTILEIRONALUMINIUMBRONZECASTIRON
* Seepage7foroptionalmaterialsavailable
VAASSERIES750 BI-DIRECTIONALSLURRYGATEVALVES8
VAAS Fig 752
VAAS Fig 755
VAASHANDWHEELOPERATEDVALVEDIMENSIONS
Dimensionsindicatedareforgeneralreferenceonly.Certifieddrawingsareavailableonrequest.
E-ap
prox
D-a
ppro
x
C
A ØB
ØF
VAASSERIES750 BI-DIRECTIONALSLURRYGATEVALVES9
33375366791451802294146017269501426
SIZE(in)23456810121416182024
A
2.002.002.242.242.752.752.992.993.503.504.484.48
B
7.58.9910.0011.0013.5016.0018.9921.0023.5025.0027.5032.00
C
3.754.505.005.516.758.019.5010.5111.7512.5013.7516.00
D
16.2218.8520.4323.5028.1830.51NANANANANANA
E
17.5121.8525.3928.2234.9240.94NANANANANANA
F
7.997.9910.0010.0012.0015.98NANANANANANA
OnApplicationLbs
15172430366682104188273330432648
SIZE(mm)5080100125150200250300350400450500600
A
51517057707076768989114114
B
190.5228.5254279.5343406.5482.5533.5597635698.5813
C
95.5114.5127140171.5203.5241.5267298.5317.5349.5406.5
D
4124795195977167758689641101122913171520
E
4455556457178871040118113131498167518602185
F
203203254254305406406508508508508508
OnApplicationKgs
VAASGEAROPERATEDVALVEDIMENSIONS
Dimensionsindicatedareforgeneralreferenceonly.Certifieddrawingsareavailableonrequest.
VAASSERIES750 BI-DIRECTIONALSLURRYGATEVALVES10
SIZE(mm)250300350400450500600
A7076768989114114
B406.5482.5533.5597635698.5813
C203.5241.5267298.5317.5349.5406.5
D916100310981235147216281950
E1090123113631548172419102235
F256.5256.5261261412412445
G450450450450700700700
Kgs109131222307367469685
SIZE(in)10121416182024
A2.752.992.993.503.504.484.48
B16.0018.9921.0023.5025.0027.5032.00
C8.019.5010.5111.7512.5013.7516.00
D36.0639.4843.2248.6257.9564.0976.77
E42.9148.4654.4460.9467.8775.1987.99
F10.0910.0910.2710.2716.2216.2217.51
G17.7117.7117.7117.7127.5527.5523.03
Lbs23928848967680710311507
SIZE(mm)250300350400450500600
SIZE(in)10121416182024
MODELBG01BG01BG02BG02BGO3BG03BG03
E-ap
prox
A
F
D-a
ppro
x
ØB
ØG
C
VAASPNEUMATICACTUATEDVALVEDIMENSIONS
D-a
ppro
xC
ØB A
E
Dimensionsindicatedareforgeneralreferenceonly.Certifieddrawingsareavailableonrequest.
VAASSERIES750 BI-DIRECTIONALSLURRYGATEVALVES11
SIZE(mm)5080100125150200250300350400450500600
A
51517057707076768989114114
B
190.5228.5254279.5343406.5482.5533.5597635698.5813
C
95.5114.5127140171.5203.5241.5267298.5317.5349.5406.5
D
56070071589010701250139215101765194221002296
E
137165260260295355355355540540585585
OnApplicationKgs2124345158104150164251378440642873
SIZE(in)23456810121416182024
A
2.002.002.242.242.752.752.992.993.503.504.484.48
B
7.58.9910.0011.0013.5016.0018.9921.0023.5025.0027.5032.00
C
3.754.505.005.516.758.019.5010.5111.7512.5013.7516.00
D
2.0427.5528.1435.0042.1249.2154.8059.4469.4876.4582.6790.39
E
4.336.4910.2310.2311.6113.9713.9713.9719.0519.0523.0323.03
OnApplicationLbs46527511212722933036155383296814121921
VALVESIZE(mm)
5080100125150200250300350400450500600
ACTUATORMODEL
RCGC4/2RCGC4/3RCGC6/4RCGC8/5RCGC8/6RCGC10/8RCGC12/10RCGC12/12RCGC12/14RCGC16/16RCGC16/18RCGC20/20*RCGC20/24*
VALVESIZE(in)
23456810121416182024
D-a
ppro
xC
ØB A
E
*PackedGlandDesign(notillustrated).
Actuatorsizingbasedon10bar/150psiCWPratedvalves
withminimum5bar/75psiairsupply.
NO.1234567891011121314151617
DESCRIPTIONHX.BOLTLOCKNUTTIERODHX.NUTCAPO-RINGHEAD&CAPNYLOCKNUTPISTONSEALPISTONO-RINGPISTONCYLINDERTUBEPISTONRODNECKSEALHOUSINGGUIDEO-RINGWIPERSEALHEAD
MATERIALCARBONSTEELCARBONSTEELCARBONSTEELCARBONSTEELDUCTILEIRONNITRILERUBBERCARBONSTEELCASTIRONPTFENITRILERUBBERFRP304STAINLESSSTEELALUMINIUM/BRASSCARBONFILLEDPTFENITRILERUBBERPOLYURETHANECASTIRON
ACTUATORSELECTORTABLE/RCGCPARTS&MATERIALS
VAAS Actuator RCGC
TheVAASRCGCdouble-acting,pneumaticcylinderactuatorissuitableforairsupplypressureupto7bar/100psi.Itisarugged,low-maintenancedesignactuatorsuitableforallvalvesizes.Modelsaresizedtoprovidesufficientthrusttomeetmaximumlinepressures.
Inaddition,hydraulicandelectricactuationisavailableonrequest.
Accessories:Solenoidvalves,limitswitches,pneumaticfail-safesystemsandsafetyguards&shrouds.
VAASWORLDWIDE:INDIA(ASIA)•AUSTRALIA(PACIFIC)•USA(AMERICAS)•UK(EUROPE&AFRICA)www.vaasval.com
VAAShastakenreasonablecaretoensureaccuracyofthematerialinthis‘catalogue’butyoushouldnotrelyonthewholeoranypartoftheinformationwhichissubjecttochangewithout notice for reasons includingerror rectification, product discontinuation, newproduct introduction. VAASexpressly disclaimsall liabilitywhatsoever for(includinganydirectorindirectlossordamage,costsorexpenseshowsoeverincurredbyanyperson)orrelianceonthewholeoranypartoftheinformationcontainedinoromittedfromthis ‘catalogue’andrecommendsthatyouverifyany informationwithyour independentexpertadviserandrelysolelyonthatadviser’srecommendations.
Doc01/750/Feb2011
Des
ign
Syst
ems
/ M
elbo
urne
, A
ustr
alia
VAASSalesOfficesinIndia:
Chennai-Ph:+91-4442956100E-mail:[email protected]•NewDelhi-Ph+91-1126185833E-mail:[email protected]
Mumbai-Ph:+91-2267100398E-mail:[email protected]•Kolkata-Ph:+91-3322803107E-mail:[email protected]
VAASInternationalSalesOffices:
USA-Ph:+1-8886982271E-mail:[email protected]•Asia-E-mail:[email protected]
UK-Ph:+44-1455285428E-mail:[email protected]•Australia-Ph:+61-0395448643E-mail:[email protected]