Flange End check valve
Ductile iron Flange silencing check valve purpose
The silencing check valve is suitable for water supply and drainage pipe Bai channel. The valve disc is guided by Du mandrel at both ends of the inlet.
It can be opened and closed flexibly. It can be installed horizontally or vertically. The valve disc is loaded by spring, and its quick closing can effectively eliminate water hammer, with good sealing performance and no noise. It has the advantages of small volume, light weight, small fluid resistance, fatigue resistance and long life.
Silencing check valve refers to the valve that automatically opens and closes the valve disc depending on the flow of the medium itself, which is used to prevent the backflow of medium, also known as check valve, one-way valve, reverse flow valve and back pressure valve.
Check valve is a kind of automatic valve. Its main function is to prevent the reverse flow of medium, reverse rotation of pump and drive motor, and discharge of container medium. The check valve can also be used to supply the auxiliary system in which the pressure may rise above the system pressure.
Check valve can be divided into swing check valve (rotating according to the center of gravity) and lifting check valve (moving along the axis).
characteristic
It has the advantages of simple structure, reliable performance, noiseless switch, elimination of water hammer and convenient installation and disassembly.
Executive Standards
Main performance parameters
Main dimensions
Valve picture
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