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Jiangsu Chenggong Valve Technology Co.,Ltd

We are professionally engaged in the valve design, manufacture and installation.

Address: No.2 Chishui Road, New North District, Changzhou, Jiangsu

Manager: STONE

E-mail: info@cz-valve.com

Tel: +86-519-85262011

Fax: +86-519-85262022

Basic Information Of Plug Valve

- Jun 04, 2018 -

The plug valve is a valve with a through hole as the opening and closing part. The plug body rotates with the stem to achieve the opening and closing action.

Because of the movement between the seal surface of the plug valve with wiping effect, and when fully open to prevent the contact with the flow of media, it is often used in the media with suspended particles. Another important feature of the plug valve is that it is easy to adapt to a multi-channel structure, so that one valve can have two, three, or even four different flow paths. This simplifies the design of piping systems, reduces valve usage, and some of the connection parts needed in the equipment. In order to enlarge the application range of plug valve, many new structures have been developed. Oil lubricated plug valve is one of the most important. Special grease from the top of plug body injection valve body cone hole and plug body, forming oil film to reduce opening and closing torque, improve sealing and service life. Its working pressure can reach 64 MPA, the maximum working temperature can reach 325 ℃, the maximum caliber can reach 600 millimeters. Plug valve channels are available in many forms. The common straight-through type is mainly used for truncation of fluids. Tee and four-formula plug valves are suitable for fluid commutation.


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