E-Mail: 412305565@qq.com
Tel: 13567723322
Manual plug valve is a type of valve with a simple structure, reliable operation, and wide application. Its principle is to rotate the screw with a handwheel to drive the gate to move up and down, thereby achieving the purpose of opening and closing the valve.
The structural diagram of the manual plug-in valve is as follows:

Structural diagram of manual plug-in valve
The names and descriptions of each component in the diagram are as follows:
1. Valve body: It is the main body of the valve, supporting all components.
2. Valve cover: connected to the valve body to form a closed chamber.
3. Gate: It is the opening and closing component of a valve, consisting of a gate body, a gate core, and a gate shaft.
4. Screw rod: transmits the rotational force of the handwheel to the gate.
5. Handwheel: used to operate valves.
6. Packing box: used to seal the gap between the screw and the valve cover.
7. Bearing: supports the rotation of the screw rod.
8. Sealing gasket: used to seal various connections of the valve.

manual slide gate valve
At present, manual plug-in valves are widely used in the power industry, chemical industry, building materials industry, grain industry, etc. They have the following characteristics:
1. Simple and compact structure, easy to maintain.
2. Good sealing performance, not easy to leak.
3. Large circulation capacity and low resistance.
4. Widely applicable, can be used for various powder and granular media.
2022.01
Rubber-lined knife gate valve and fluorine-lined knife gate valve are products produced by Zhejiang Yongguan Valve Co., Ltd. The main featur...
2023.09
pneumatic knife gate valveIt is a valve device that quickly cuts off the flow of fluid in pipelines through pneumatic systems. Its working p...
2025.09
——Zhejiang Yongguan Valve promotes industrial fluid control upgrade with innovative material technologyIn modern industrial systems, valves ...
Contact Us
Tel: 0577-67962833
Sales: 0577-67371666
Address: Wuxing Industrial Zone, Oubei Town, Yongjia County, Wenzhou City, Zhejiang Province, China
E-mail: 412305565@qq.com