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Stainless Steel Pneumatic Triple Offset Wafer Butterfly Valve

Tripple Offset Butterfly Valve is used to prevent galling and scratches between the metal seat and the metal disc due to it's unique design. The only time where the seal comes into contact with the seat is at the point of complete closure. Triple offset valves are generally used in applications which require bi-directional tight shut-off oil and gas,LNG/NPG terminal and tanks,chemical factories,and shipbuilding. They are also used for dirty/heavy oil to prevent extrusion....

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Stainless steel Pneumatic Triple Offset Wafer Butterfly Valve

Technical Specification
Size Range: 12"
Pressure Rating: ASME CL150
Material: A216 WCB
Temperature Range: -29°C~200°C
Applicable Standards:
Design: API 609,ASME B16.34
Face to face: ASME B16.10/API 609
End Flanges: ASME B16.5/ASME B16.47
Butt welded ends: ASME B16.25
Inspection and test: API 598


Parts namePart NameCarbon Steel to ASTMAlloy Steel to ASTMStainless Steel to ASTM
1BodyA216 WCB+13CrA352 LCB+304A217 WC1+STLA217 WC6+STLA351 CF8A351 CF8M
2StemA276 420A276 420A276 420A276 420A182 F304A182 F316
3PinA276 420A276 420A276 420A276 420A182 F304A182 F316
4DiscA216 WCBA352 LCBA217 WC1A217 WC6A351 CF8A351 CF8M
5Multi-layer sealringSS304+Graphite/SS316+Graphite/PTFE
6Seat Protection ringAISI 1025A352 LCBF11/F22A182 F304A182 F316
7Hex.Socket ScrewA193 B7A320 L7A193 B16A193 B16A193 B8A193 B8
8BoltsA193 B7A320 L7A193 B16A193 B16A193 B8A193 B8
9Bottom CapASTM A105A182 F11/F22A182 F304A182 F316
10GasketSS304+Graphite/SS316+Graphite/PTFE
11Split collarA276 420A276 420A276 420A276 420A182 F304A182 F316
12LiningA182 F304A182 F304A182 F316
13PackingBraided graphite,or Die-formed graphite ring or PTFE
14Packing GlandA216 WCBA352 LCBA217 WC1A217 WC6A351 CF8A351 CF8M
15BoltsA193 B7A320 L7A193 B16A193 B16A193 B8A193 B8M
16NutsA194 2HA194 4A194 4A194 4A194 8A194 8M
17BoltsA193 B7A320 L7A193 B16A193 B16A193 B8A193 B8M
18NutsA194 2HA194 4A194 4A194 4A194 8A194 8M
19YokeA216 WCBA216 WCBA216 WCBA216 WCBA216 WCBA216 WCB

Main Outline Dimensions

150LB
Valve Size2"3"4"5"6"8"10"12"14"16"18"
50mm80mm100mm125mm150mm200mm250mm300mm350mm400mm450mm
Face to FaceL1:wafer444954575864718192102114
Valve Bore(DN)5080100125150200250300350400450
Valve Height(H)3103404004805306206808008809501000
Valve Height(H1)210230265325345395425495555590630
Lever Diameter(W)203203203250305460460610350457610
Weight(Kg)worm gear7911151725406182123150



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