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Tekron & Trekre - Industrial valves
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High performance double flange butterfly valve with smooth stem

High performance double flange butterfly valve with smooth stem

Product parameters

The high-performance double flange butterfly valve with a smooth stem is mainly made of carbon steel and stainless steel, with an upper flange connection plate that can be connected to a manual handle, worm gear operation, pneumatic actuator, and electric actuator.

光杆高性能双法兰蝶阀

Pressure rating: Class 150, Class 300/PN10, PN25/JIS 10K, JIS20K Size: 2 "-60" Material: Carbon steel or stainless steel

Series selection and configuration options

Standard series size2″–60″
Pressure designationClass150 / Class300 / PN10 / PN25 / JIS10K / JIS20K
Body material optionsCarbon steel / stainless steel options
ConnectionDouble flanged
Drive configurationBare-shaft body; handle, worm gear, pneumatic or electric drive selected separately

Standard series ranges and custom manufacture are separate. Smaller or larger sizes, special materials and tooling can be evaluated on request; design and quotation must be agreed. Not every size, material, seat and rating combination is interchangeable.

This product belongs to our butterfly valve range. For sizing, pressure rating, material and actuator selection, see our valve technical resources.

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Tekron & Trekre

Butterfly Valve FAQs

01 Which butterfly valve seat design should be used?
Common designs include resilient seats and metal seats. Resilient-seated valves are generally used for water, air and low-leakage services at moderate temperatures. Metal-seated valves are selected for higher temperature, pressure or erosive industrial media. The final choice depends on the medium, temperature, pressure and required leakage class.
02 How do wafer, flanged and lug butterfly valves differ?
Wafer valves are compact and require little installation space. Flanged valves provide a stable pipeline connection for larger sizes or higher pipe loads. Lug valves can facilitate one-sided removal and maintenance. Selection depends on the piping standard, space, size and maintenance method.
03 Should a butterfly valve use pneumatic, electric or manual actuation?
Manual or gearbox operation suits local isolation. Pneumatic actuators provide fast response for frequent operation and hazardous areas. Electric actuators support remote control and modulation. The actuator must be sized for valve size, differential pressure, torque and control signal.
04 Which operating data are required for butterfly valve selection?
Provide the medium, design temperature, design pressure, nominal size, connection standard, body and seat materials, leakage class, flow direction, operating frequency, actuation method and any enclosure or explosion-protection requirements.

Discuss your valve configuration and quotation

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Include units. PN and ASME Class are separate designations, not a fixed conversion.

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