Pneumatic Actuated Cryogenic Ball Valves 304 Body Liquid Oxygen Hydrogen
High-Performance Cryogenic Ball Valves Description:
The medium temperature of the cryogenic ball valve is very low, which is used for the control system of cryogenic medium. The valve produced by a special low-temperature process to ensure the low-temperature performance of the material. When it operates in low-temperature conditions, it will not cause leakage due to deformation caused by temperature changes. The valve cover of the cryogenic ball valve uses a long neck structure, which can protect the function of the stuffing box, keep the stuffing box away from the low temperature, and ensure the sealing effect of the packing.
High-Performance Cryogenic Ball Valves Specifications:
| Size | DN15-DN250 |
| Working temperature | -196°C, -46°C |
| Working pressure | PN 1.6Mpa |
| Body material | LCB/ 304 |
| Valve ball material | 304 |
| Sealing material | PTFE |
| Connection | Flange |
| Medium | Liquid oxygen, liquid hydrogen , etc. |
Options:
End connection can be butt-welded, sanitary tri-clamp, threaded, or others upon request.
Actuators to reach automatic operation: pneumatic stainless steel actuator (vertical type), pneumatic aluminum actuator (horizontal type), and electric actuator.
- NC operated: normally closed (fail closed)—air to open, spring to close
- NO operated: normally open (fail open)—air to close, spring to open
- AA operated: double-acting—air to open, air to close

High-Performance Cryogenic Ball Valves Applications:
The cryogenic ball valve is used in chemical equipment such as ethylene and liquefied natural gas, the liquid cryogenic medium output is generally ethylene, liquid oxygen, liquid hydrogen, etc.
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