Structure: Check
Pressure: Low to high pressure
Power: Hydraulic
Material: Casting
Temperature of Media: Normal Temperature
Media: Base
1) Sizes: 1/2''-40''
2) Class: 150-1, 500Lbs
3) Material: WCB, LCB, CF8 304, CF8M 316, CF3 304L, CF3M 316L, WC1, WC6, WC9, CN7M, Monel
4) Stardards:
A) Design and manufacture: API 6D, API594
B) Face to face: API 6D, API594, DIN 3202
C) End flange dimensions: ANSI B16.5, ANSI B16.47, API605, MSS SP-44, ISO7005-1, DIN2543-2548
D) Pressure-temperature ratings: ASME B 16.34
5) Inspection and test: API598, API 6D
Structure features:
| - Single Disc | ||||
| - With Spring | ||||
| - Swing Disc or Lift Disc | ||||
| - Soft or Metal Seated | ||||
| - Retainer or Retainer Less Design | ||||
| - Wafer Ends to Suit for Flanged Ends(ASME B16.5 and B16.47 A/B) | 
| Part Names | Part Materials | |||||||
| Body | A105 | LF2 | F22 | F304 | F316 | F304L | F316L | C83600/C95800 | 
| Bonnet | A105 | LF2 | F22 | F304 | F316 | F304L | F316L | C83600/C95800 | 
| Disc/Ball/Wedge | A105 | LF2 | F22 | F304 | F316 | F304L | F316L | C83600/C95800 | 
| Seat/Seat Ring | 13%Cr | SS304 | 13%Cr | SS304 | SS316 | SS304L | SS316L | C83600/C95800 | 
| PTFE/NBR/EPDM/VITON | ||||||||
| Packing | Graphite/PTFE | |||||||
| Gasket | SS304+Graphite/SS304+Graphite | |||||||
| Bolts/Nuts | B7/2H | L7/4 | B16/4 | B8/8 | B8M/8M | B8/8 | B8M/8M | B8M/8M | 
| Suitable Medium | W.O.G etc. | HNO3, CH3OOH etc. | Sea Water etc. | |||||
| Suitable Temperature | -29~425 °C | -46~340 °C | -46~340 °C | -196~427 °C | -196~427 °C | -196~427 °C | -196~427 °C | -29~220 °C | 
 
