Pneumatic low temperature butterfly valve
The Pneumatic Low Temperature Butterfly Valve is a specially engineered valve designed for reliable operation in extremely cold environments and cryogenic or low-temperature industrial applications. Equipped with a pneumatic actuator, it provides fast response, remote control capability, and stable performance under harsh temperature conditions.
The valve adopts low-temperature resistant materials, advanced sealing technology, and optimized structural design to prevent leakage, deformation, and operational failure caused by thermal contraction. It is widely used in LNG systems, cryogenic equipment, gas storage facilities, chemical processing, and other industries requiring dependable low-temperature fluid control.
With excellent sealing performance, corrosion resistance, low operating torque, and automation capability, the pneumatic low temperature butterfly valve is an ideal solution for modern low-temperature pipeline systems.
Pneumatic low temperature butterfly valve
We provide professional OEM manufacturing and customized solutions for pneumatic low temperature butterfly valves according to customer requirements.
Available materials include:
Our pneumatic low temperature butterfly valves are manufactured under strict quality management systems and comply with international valve industry standards, including:
Complete technical documents available:
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | Pneumatic Low Temperature Butterfly Valve |
| Valve Type | Low Temperature Butterfly Valve with Pneumatic Actuator |
| Application | Cryogenic System, Low Temperature Fluid Control |
| Nominal Size | DN50–DN2000 (2"–80") |
| Pressure Rating | PN6–PN40 / Class 150–300 |
| Design Standard | API 609 / EN 593 / MSS SP-67 |
| Body Material | Stainless Steel / Low Temperature Carbon Steel / Alloy Steel |
| Disc Material | Stainless Steel / Duplex Steel / Customized Cryogenic Material |
| Shaft Material | Stainless Steel / Alloy Steel |
| Seat Material | Low Temperature PTFE / Cryogenic EPDM / Metal Seat |
| Connection Type | Wafer / Lug / Flanged Type |
| Actuator Type | Pneumatic Single Acting / Double Acting |
| Operating Pressure | 0.4–0.8 MPa Pneumatic Supply |
| Temperature Range | -196°C to +120°C (Customized Available) |
| Low Temperature Grade | Cryogenic Grade Available |
| Media | LNG, Liquid Gas, Nitrogen, Oxygen, Air, Cryogenic Fluids |
| Leakage Standard | API 598 / EN 12266 |
| Face-to-Face Dimension | API 609 / EN 558 |
| Actuator Mounting | ISO 5211 |
| Stem Design | Extended Stem / Cryogenic Stem Design |
| Surface Treatment | Anti-Corrosion Coating / Low Temperature Protection |
| Control Method | Pneumatic / PLC / DCS Automatic Control |
| Protection Grade | IP65 / IP67 Optional |
| Certification | ISO 9001, CE, API Standards (Optional) |
| OEM Capability | Size, Material, Temperature Rating, Actuator, Control System Customization |
Industry Applications
Pneumatic Low Temperature Butterfly Valves are widely used in industries requiring reliable valve operation under cold and cryogenic 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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