High-temperature butterfly valve
The High-Temperature Butterfly Valve is a specially engineered industrial valve designed for controlling and isolating high-temperature fluids, gases, and exhaust media in extreme operating environments. It features a robust structure, heat-resistant materials, and advanced sealing technology to ensure reliable performance under continuous high-temperature service conditions.
The valve is widely used in industries requiring high thermal resistance, corrosion protection, and long-term operational stability, such as power generation, metallurgy, chemical processing, petrochemical, and industrial furnace systems.
With optimized disc design, high-strength materials, and customized sealing solutions, the high-temperature butterfly valve provides excellent flow control, low operating torque, reduced maintenance requirements, and extended service life.
High-temperature butterfly valve
We provide professional OEM manufacturing and customized solutions for high-temperature butterfly valves according to different industrial requirements.
Available materials include:
Our high-temperature butterfly valves are manufactured according to international quality standards and can be supplied with complete certification documentation, including:
Quality documents provided:
Parameter Specifications
| Parameter | Specification |
|---|---|
| Product Name | High-Temperature Butterfly Valve |
| Valve Type | High Temperature Butterfly Valve |
| Application Media | Hot Gas, Flue Gas, Steam, Air, Industrial Gas |
| Nominal Size | DN50–DN4000 (2"–160") |
| Pressure Rating | PN6–PN40 / Class 150–300 (Customized Available) |
| Design Standard | API 609 / EN 593 / MSS SP-67 |
| Body Material | Carbon Steel / Stainless Steel / Alloy Steel |
| Disc Material | Stainless Steel / Heat Resistant Alloy / Customized Material |
| Shaft Material | Stainless Steel / Alloy Steel |
| Seat Type | Metal Seat / Graphite Seal / High Temperature Seal |
| Connection Type | Wafer / Lug / Flanged / Customized Connection |
| Operation Type | Manual / Pneumatic / Electric / Hydraulic |
| Temperature Range | -40°C to +600°C (Higher Temperature Customized) |
| Maximum Working Temperature | Up to 800°C (Special Design Available) |
| Leakage Class | API 598 / EN 12266 |
| Face-to-Face Dimension | API 609 / EN 558 |
| Actuator Mounting | ISO 5211 |
| Surface Treatment | High Temperature Coating / Anti-Corrosion Coating |
| Installation Position | Horizontal / Vertical |
| Maintenance Requirement | Low Maintenance Design |
| Certification | ISO 9001, CE, API, PED (Optional) |
| OEM Capability | Size, Material, Temperature Rating, Design, Actuator Customization |
Industry Applications
High-Temperature Butterfly Valves are widely used in industries requiring reliable flow control under extreme temperature 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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