Shanghai Jianggong Valve Manufacturing Co., Ltd.
Shanghai Jianggong Valve Manufacturing Co., Ltd. Industrial valve expert With safe and reliable products To provide you with thoughtful services
Add to Cart
Highlight: Cast steel swing check valve.
Product introduction:
Check valve is also known as back-pressure valve or non-return valve, it is to prevent the pipeline medium flow back.
The opening and closing parts are opened or closed by the medium flow and force to prevent the medium from flowing back.Swing check valve is a type of check valve, the internal use of rocker arm swing type structure.This kind of valve is widely used in chemical industry, metallurgy, pharmaceutical and other fields, generally should be installed horizontally in the pipeline.
Product technical parameters:
|
Diameter nominal DN(mm) |
50～500 |
|
|
Pressure nominal PN(MPa) |
1.0～2.5 |
|
|
Pressure test Ps(MPa) |
Strength test (water) |
1.5～3.75 |
|
Seal test (water) |
1.1～2.75 |
|
|
Connection way |
Flange |
|
Product features:
1.swing check valve is suitable for the occasion of large diameter, installation position is not restricted, usually installed in horizontal pipeline, swing check valve is suitable for the occasion of large diameter, fluid resistance is generally less than the lifting check valve,
2. Swing check valve rocker arm and disc connection using spherical connection structure, so that the disc in the range of 360 degrees have a certain degree of freedom, there is appropriate trace position compensation.
3. Swing check valve with built-in rocker arm swing structure, all valve opening and closing parts are installed in the valve body, do not penetrate the valve body, in addition to the flange part with sealing gasket and sealing ring, the overall no leakage point, eliminate the possibility of valve leakage.