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High Temperature Air Butterfly Valve D641LW-16

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Customer's inquiry form can be directly dialed +86 (577) 86838999 to the marketing department,
or sent to the corporate email
Specific agreement: delivery date, whether to include tax, payment method and special requirements, etc.
Customers provide: working pressure, temperature, medium, connection method and other detailed parameters

Address: No.116 Binhai 11th Road, Jinhai 2nd Road, Longwan Konggang New District, 325000 Wenzhou China
Phone: +86 (577) 86838999
Fax: +86 (577) 86911098
Enterprise email:


Product Description

Product Specifications:

  • Our High-Temperature Air Butterfly Valve is available with both pneumatic and electric actuator options.

  • It features a specially designed metal seat that eliminates the need for a lining structure.

  • The valve is equipped with a radiator between the valve and actuator to prevent heat transfer to the actuator.

  • Suitable for a wide range of pipe sizes and pressure ratings.

High Temperature Capability:

  • Designed to excel in high-temperature environments, this valve can withstand extreme heat without compromising performance.

  • The metal seat design ensures a flat seal even at elevated temperatures.

  • Ideal for applications where maintaining operational integrity at high temperatures is critical.

Construction and Materials:

  • Crafted from high-quality materials known for their resistance to heat and corrosion.

  • The valve body and components are built to withstand harsh industrial conditions.

  • Robust construction ensures long-term durability and reliability.

Design Features:

  • Unique metal seat design provides a flat seal, reducing operating torque and enhancing overall performance.

  • The inclusion of a radiator between the valve and actuator prevents heat transfer and ensures smooth actuation.

  • This design minimizes maintenance requirements, reducing downtime and costs.

Performance Benefits:

  • Precise and efficient airflow control, even in high-temperature environments.

  • Reduced operating torque means lower energy consumption and longer actuator life.

  • The valve's robust construction and heat-resistant materials ensure reliable, long-term operation.

Application Compatibility:

  • Widely used in both hot and cold flue gas pipelines.

  • Ideal for remote automatic control applications.

  • Suited for scenarios with low differential pressure and mass flow pipelines.

Certifications and Compliance:

  • Our High-Temperature Air Butterfly Valve meets industry standards and certifications.

  • Compliant with safety and quality regulations, ensuring peace of mind for your application.

Product type

High Temperature air Butterfly Valve



Nominal diameter

NPS 4”~NPS120”(DN100~DN3000)

Operating pressure


Body Material

Q235, 16Mn, 304, 2520 etc

Trim material

304/ 2520

Medium Temperature

-29 ~ +1000ºC

Connecting end


Design standard

GB/T 12238, API 609, JIS B2071

Face to face

GB/T 12221, ASME B16.10, JIS B2002

End Connection

GB/T 9113, ASME B16.5, JIS B2211

Inspection and test

GB/T 26480, API 598, JIS B2003

Operation device

pneumatic,electric actuator



WENZHOU PIONEER VALVE is a technology innovation-based valve manufacturer located in China since 1993.




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