Low temperature pneumatic emergency shut-off valve
The Low Temperature Pneumatic Emergency Shut-Off Valve is a specially designed safety valve engineered for reliable operation under extremely cold working conditions. Driven by a pneumatic actuator, this valve provides rapid emergency isolation, excellent sealing performance, and stable operation in low-temperature environments.
Designed for applications involving cryogenic fluids, LNG, natural gas, and other low-temperature media, the valve uses specially selected materials and advanced manufacturing processes to maintain strength, flexibility, and sealing reliability under extreme temperature conditions.
The valve can be integrated with emergency shutdown systems, gas detection systems, and industrial control systems to provide automatic safety protection. It is widely used in LNG facilities, gas processing plants, petrochemical industries, and other critical applications requiring fast and dependable emergency shut-off.
Low temperature pneumatic emergency shut-off valve
We provide professional OEM and ODM manufacturing services to deliver customized low-temperature pneumatic emergency shut-off valve solutions according to customer requirements.
Our Low Temperature Pneumatic Emergency Shut-Off Valves are manufactured under strict quality management systems and comply with international valve industry standards.
Each valve is tested to ensure safe operation, rapid emergency response, and reliable sealing performance in extreme cold environments.
Parameter Specifications
| Item | Specification |
|---|---|
| Product Name | Low Temperature Pneumatic Emergency Shut-Off Valve |
| Valve Type | Cryogenic Pneumatic Safety Shut-Off Valve |
| Operation Method | Pneumatic Actuation |
| Application Medium | LNG, Natural Gas, Cryogenic Fluids, Liquid Nitrogen, Liquid Oxygen |
| Valve Function | Emergency Isolation and Safety Shut-Off |
| Valve Structure | Cryogenic Ball Valve / Globe Valve / Butterfly Valve (Optional) |
| Nominal Size | DN15–DN500 (Customized Available) |
| Connection Type | Flanged / Welded / Threaded |
| Flange Standard | ANSI / DIN / JIS / GB |
| Valve Body Material | Stainless Steel / Cryogenic Alloy Steel |
| Stem Material | Stainless Steel / Low Temperature Alloy |
| Actuator Type | Pneumatic Single Acting / Double Acting |
| Operating Pressure | Customized According to Application |
| Working Pressure | PN10–PN420 / Class 150–2500 (Customized) |
| Operating Temperature | -196℃ to +80℃ (Customized Available) |
| Sealing Material | PTFE / PCTFE / Cryogenic Grade Sealing Materials |
| Actuation Pressure | 0.3–0.8 MPa |
| Response Time | Fast Emergency Shut-Off Response |
| Control Mode | Pneumatic / Remote Emergency Control |
| Safety Function | Fail Close / Fail Open / Fail Safe |
| Leakage Performance | Bubble-Tight Sealing / Low Leakage |
| Protection Grade | IP65 / IP67 (Optional) |
| Service Life | Long Cycle Operation Design |
| Certification | ISO, CE, API, EN Cryogenic Standards |
| OEM Service | Size, Material, Structure, Actuator, Logo, Packaging Customization |
Industry Applications
The Low Temperature Pneumatic Emergency Shut-Off Valve is widely used in industries requiring reliable safety isolation under extreme cold conditions.
Material customization plan
Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.
Structural optimization design
For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.
Interface standard adaptation
Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.
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