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The valve flap of the swing check valve rotates around the rotating shaft. Its fluid resistance is generally smaller than that of the lift check valve, which is suitable for larger diameter applications.

When to use a trunnion mounted ball valve ? Trunnion mounted ball valves are suit for following working conditions.

Butterfly valve is a valve that uses a circular disc as a shutter to open, close, and adjust the fluid passage as the stem rotates. The butterfly valve's disc is mounted in the diameter direction of the pipe.

The butterfly valve is also widely used. If it is used to control the flow, it needs to choose different types and the size of the valve body. Butterfly valves are widely used not only in general industries such as petroleum, gas, chemical, and water treatment, but also in cooling water systems.

Butterfly valves are used in a wide range of applications. The variety and quantity used continue to expand, and the development of high temperature, high pressure, large diameter, high sealing, long life, excellent regulation characteristics, and multi-valve. Its reliability and other performance.

There are many types of ball valves, and floating ball valve is one of them. Like other valves, the floating ball valve has the advantages of reliable valve stem sealing and a wide range of applications.

The plug valve is a closing or plunger-shaped rotary valve that opens or closes by rotating the passage port on the valve plug 90° degrees or the same as the passage port on the valve body.Plug valve is difference from knife gate valve. The plug of the plug valve may be cylindrical or conical shape.

The structure of piston check valve is similar to globe valve,but these two kinds of have have some differences between globe valve and piston check valve,the operation of piston check valve is flow automatic,the globe valve have a handwheel to operating,this is most difference of valve’s type.

The most difference between plug valve and butterfly valve are following:structure,function in pipe system,stroke of valve etc.The plug valve is a fast-switching, straight-through valve that can also be used for suspended particles due to the wiping action between the rotary sealing surfaces .