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27
2020-08
Ball check valve is a multi-ball, multi-channel, multi-cone backflow structure of the check valve. Ball check valve is mainly composed of front and rear body, rubber ball and cone.
2020-08-27
02
2020-09
Hebei Huahui Valve Co., LTD. : Brief discussion on spherical check valve
Ball check valve has the characteristics of large flow, small resistance, good sealing performance, long life, durable, no water hammer. It can be mounted horizontally or vertically. Spherical check valves are suitable for high viscosity, suspended solids in industrial and domestic sewage networks. It is a special check valve for sewage treatment plants, industrial sewage and domestic sewage network, suitable for submersible sewage pumps.
2020-09-02
08
2020-09
German standard check valve manufacturer: Brief discussion on German standard check valve
German standard check valve is suitable for nominal pressure PN1.6-4.0MPa, working temperature -20℃-350℃ of various conditions of pipeline, such as petroleum, chemical, pharmaceutical, chemical fertilizer, power industry.
2020-09-08
22
2020-09
Cast iron check valve: Cast iron check valve construction characteristics
Cast iron check valve is to automatically open and close the piston valve with the help of the material's own flow, with the help of the piston valve's own weight and liquid pressure difference to complete the automatic block liquid material countercurrent gate valve, also known as reverse valve, this product, reverse valve, and back pressure valve.
2020-09-22
19
2021-01
Large diameter soft seal gate valve underground gate valve and small purpose valve using rubber integral package, in order to produce deformation compensation, so as to achieve good sealing effect, overcome the ordinary gate valve sealing poor, water leakage and rust problems, and more effectively save the installation space.
2021-01-19
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