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Worm gear high-performance butterfly valve D372F

Worm gear high-performance butterfly valve D372F

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High performance clamp butterfly valve with worm gear box operating wheel is a valve mainly used for controlling and cutting off fluids. It consists of a valve body, a valve seat, a valve stem, a worm gear, and a clamping device. Worm gear is a combination of worm and gear. By rotating the worm gear, the butterfly valve can be opened and closed. Worm gear high-performance butterfly valves usually adopt a double eccentric structure, which reduces friction and provides good sealing during the opening and closing process of the valve.

High performance gear butterfly valve refers to a high-performance butterfly valve with a worm gear box, connected to a switch handwheel through a worm gear, and controlled by rotating the handwheel to open and close the valve. The main materials are carbon steel and stainless steel. The valve seat, valve stem, and valve plate can be customized according to customer requirements.

蜗轮高性能对夹蝶阀D372F(图1)

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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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.