Model: MCV-140
Nominal Size: DN25 to DN200
Pressure Class: PN16 to PN100; ASME Class 150 to 600
Temperature Range: -60°C to -250°C
Rangeability: 50:1; 75:1 optional
Flow Characteristic: Equal percentage or linear
Model MCV-140 is a cryogenic globe control valve with an extended bonnet that keeps the packing box away from the low-temperature zone. The arrangement supports reliable stem sealing for fluid control from -60°C to -250°C.
| Item | Specification |
|---|---|
| Nominal Size | DN25 to DN200 |
| Pressure Class | PN16 to PN100; ASME Class 150 to 600 |
| Temperature Range | -60°C to -250°C |
| Rangeability | 50:1; 75:1 optional |
| Flow Characteristic | Equal percentage or linear |
| Leakage Class | Class IV; Class V optional; Class VI with soft seat |
| Leakage Standard | GB/T 4213-2008 and ASME B16.104-1998 |
| End Connections | Flanged, socket weld, or butt weld as listed in the selection guide |
| Actuation | Pneumatic diaphragm, pneumatic piston, or electric actuator as configured |
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