Cryogenic Service Valve
- Cryogenic Gate Valve
- Cryogenic Globe Valve
- Cryogenic Swing Check Valve
APPLIED PART | SPECIFICATION |
---|---|
PRESSURE RATING | ASME B16.34 |
FACE TO FACE (END TO END) | ASME B16.10 |
FLANGE DIMENSION | ASME B16.5 |
TESTING | BS 6364 |
BONNET BOLT | ASTM A320 |
BONNET NUT | ASTM A194 |
MARKING SYSTEM | MSS-SP-25 |
WALL THICKNESS | HEAVY WALL AS PER EACH SPEC. |
PART | STAINLESS STEEL VALVES | NICKEL BASE ALLOY | ||
---|---|---|---|---|
MAIN | CF8M | CF8 | CN7M | MONEL |
STANDARD TRIM | 316 | 304 | 316L | 304L |
BODY | A351-CF8M | A351-CF8 | A351-CF3M | A351-CF3 |
SEAT-RING | A479-316+ST¡¯L | A479-304+ST¡¯L | A479-316L+ST¡¯L | A479-304L+ST¡¯L |
WEDGE | A351-CF8M+ST¡¯L | A351-CF8+ST¡¯L | A351-CF3M+ST¡¯L | A351-CF+ST¡¯L |
STEM/HINGE PIN | A479-316 | A479-304 | A479-316L | A479-304L |
GASKET | AS ORDERED | |||
BONNET/COVER | A351-CF8M | A351-CF8 | A351-CF3M | A351-CF3 |
BONNET BOLT | A320-B8 | |||
BONNET NUT | A194-8 | |||
BACK SEAT-RING | A479-316 | A479-304 | A479-316L | A479-304L |
GLAND PACKING | AS ORDERED | |||
PACKING GLAND | A351-CF8M | A351-CF8 | A351-CF3M | A351-CF3 |
GLAND FLANGE | A351-CF8 | |||
YOKE SLEEVE | A439-D2C | |||
HANDWHEEL | A536 |
GASES | BOILING POINT | GASES | BOILING POINT | ||
---|---|---|---|---|---|
`C | `F | `C | `F | ||
CARBON DIOXIDE | -78.5 | -109.0 | OXYGEN(O2) | -182.9 | -296.0 |
METHANE(CH4) | -168.0 | -270.0 | ARGON | -185.9 | -303.0 |
NATURAL GAS(LNG) | -168.0 | -270.0 | NITROGEN(N2) | -195.8 | -320.0 |