Description of Cryogenic Globe Valves
Vervo Inc manufactures forged steel Cryogenic Globe Valves in three kinds bonnet design—Bolted Bonnet,Welded Bonnet and Pressure Sealed Bonnet.
Construction Features:
Forged Steel,Outside Screw and Yoke,Rising Stem,
Non-Rising Handwheel,Integral Backseat,
Solid Wedge,Renewable Seat Rings,Sprial Wound Gasket,
Reduced Bore or Full Port,
Socket Welded,Threaded,Butt Welded,Flanged End.
Application Standard:
API 602,ASME B16.34,BS 5352
Testing according to API 598
Marking to MSS SP25
Socket Welded Ends to ASME B16.11
Screwed Ends to ASME B1.20.1
Butt Welded Ends to ASME B16.25
Flanged Ends to ASME B16.5
Construction Features:
Forged Steel,Outside Screw and Yoke,Rising Stem,
Non-Rising Handwheel,Integral Backseat,
Solid Wedge,Renewable Seat Rings,Sprial Wound Gasket,
Reduced Bore or Full Port,
Socket Welded,Threaded,Butt Welded,Flanged End.
Application Standard:
API 602,ASME B16.34,BS 5352
Testing according to API 598
Marking to MSS SP25
Socket Welded Ends to ASME B16.11
Screwed Ends to ASME B1.20.1
Butt Welded Ends to ASME B16.25
Flanged Ends to ASME B16.5
Structure of Cryogenic Globe Valves
| NPS | 3/8 | 1/2 | 3/4 | 1 | 1-1/4 | 1-1/2 | 2 | |
|---|---|---|---|---|---|---|---|---|
| L | 79 | 92 | 111 | 120 | 120 | 140 | 178 | |
| H(OPEN) | 330 | 333 | 360 | 407 | 475 | 475 | 551 | |
| W | 100 | 100 | 125 | 160 | 160 | 180 | 200 | |
| Weights | Bolted | 5.2 | 7.1 | 9.4 | 13.5 | 15.0 | 17.8 | 28.0 |
| Welded | 4.8 | 6.4 | 8.7 | 12.2 | 13.4 | 15.2 | 26.0 | |
Data table of Cryogenic Globe Valves
| NO. | Part Name | AS to ASTM | SS to ASTM | ||
|---|---|---|---|---|---|
| Type LF2 | Type LF3 | Type F304(L) | Type F316(L) | ||
| 1 | Body | A350 LF2 | A350 LF3 | A182 F304(L) | A182 F316(L) |
| 2 | Seat Ring | A276 420 | A276 410 | A276 304(L) | A276 316(L) |
| 3 | Wedge | A350 LF2 | A350 LF3 | A182 F304(L) | A182 F316(L) |
| 4 | Gasket | Corrugated SS + graphite | SS + PTFE | ||
| 5 | Bonnet | A350 LF2 | A350 LF3 | A182 F304(L) | A182 F316(L) |
| 6 | Bonnet Bolt | A193 B7 | A193 B7 | A193 B8 | A193 B8M |
| 7 | Stem | A182 F6 | A182 F6 | A182 F304(L) | A182 F316(L) |
| 8 | Stem Packing | Flexible Graphite | PTFE | ||
| 9 | Pin | A276 420 | A276 304 | ||
| 10 | Gland Eyebolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 11 | Gland | A276 410 | A182 F304(L) | A182 F316(L) | |
| 12 | Gland Flange | A105 | A182 F11 | A182 F304(L) | A182 F316(L) |
| 13 | Gland Nut | A194 2H | A194 4 | A194 8 | A194 8M |
| 14 | Yoke Nut | A276 420 | |||
| 15 | Bearing Gasket | A473 431 | |||
| 16 | Nameplate | SS | |||
| 17 | H.W. Lock Nut | A194 2H | A194 4 | A194 8 | A194 8M |
| 18 | Hand wheel | A197 | |||
| Suitable Temperature | 40℃ | 101℃ | 196℃ | ||
- Tel.: 0086-577-57999185
- Fax: 0086-577-57999088
- E-mail: info@vervo.cn