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Index>News>Fluorine lined check valve: a check valve in which the valve disc rotates around the pin axis inside the valve seat

TIME:2013-03-01 Source: This site

Fluorine lined check valve: a check valve in which the valve disc rotates around the pin axis inside the valve seat

   check valve A check valve in which the valve disc rotates around the pin axis inside the valve seat. The disc check valve has a simple structure and can only be installed on horizontal pipelines, with good sealing performance. Fluorine lined DC globe valve A valve whose valve slides along the centerline of the valve body. PTFE lined valve Pipeline check valve is a newly emerged type of valve, which has a small volume, light weight, and good processing technology, and is one of the development directions of check valves. But the fluid resistance coefficient is slightly larger than that of a swing check valve. clamp-on Fluorine-lined Butterfly Valve Compression type check valve: This type of valve is used as a boiler feedwater and steam shut-off valve, and it has the comprehensive function of a lift type check valve and a globe valve or angle valve.

The valve disc of the fluorine lined check valve is disc-shaped and rotates around the axis of the valve seat channel. The fluorine lined DC globe valve is suitable for large diameter applications with low flow rate and little flow variation due to the flow line shape of the valve channel, which reduces the flow resistance compared to the rising butterfly check valve. However, it is not suitable for pulsating flow, Clamp type fluorine lined butterfly valve Its sealing performance is inferior to that of the lift type. PTFE lined butterfly check valves are divided into three types: single disc, double disc, and half disc. These three forms are mainly classified according to the valve diameter, in order to prevent hydraulic shock when the medium stops flowing or flows back.

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The manufacturing process of PTFE lined valves is complex

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PTFE lined valve: PTFE corrugated pipe seal, both corrosion-resistant and sealed

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