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cryogenic control valve description
Cryogenic control valve ,seat oriented with unbalanced trim structure to provide excellent dynamic stability and seat seal performance. Under cryogenic conditions, it is not affected by the low-temperature medium and effectively guarantees the absolute sealability and stable operation sensitivity of the valve stem, Body and related materials are made of stainless steel or aluminum-magnesium alloy, which is resistant to cryogenic temperatures, ensuring the strength of the valve body in cryogenic conditions, Valve stem seals can be double bellows sealed and standard stuffing box seals, The unbalanced quick-release internal trim structure makes cryogenic valves extremely convenient for on-line maintenance. According to working conditions, you can choose balanced internal parts, or special internal parts such as noise reduction and anti-cavitation. (Please refer to the relevant internal structure control valve for specific internal parts description).
Features of cryogenic control valve
| Valve trim features | seat-oriented with unbalanced internals, cage pressure seat ( stainless steel body) |
| Body type | straight-through, angled, |
| Upper bonnet type | extension type |
| Temperature range | -196°C-200°C |
| Stem Seal Type | Standard Packing Seal.bellows seal |
| Standard leak class | CLASS IV (standard type, metal seat}, CLASS VI (optional below DN100, soft seat) |
| Flow characteristics | equal percentage, straight line |
| Connection with pipelines | flange. butt welded |
| Adjustable ratio | 50:1 |
Applicable standards of cryogenic control valve
| Sizes | 3/4" - 12" ,DN 20 - DN 300 |
| Pressure Rating | Class150 - Class 900 or PN 16 - PN 320 |
| Material of valve body | LF2, LCB, CF3, CF8M, CF3M, A105, LF2, F304, F304L, F316, F316L,Aluminum alloy etc |
| Operated by | Lever, Gear, Electric,Pneumatic and hydraulic actuator |
