QPHH44X type micro-resistance slow-closing check valve

Structural features and uses

 

The valve is installed in the pipeline or at the outlet of the pump, and is used to prevent the backflow of the medium when the pump is stopped, and the water hammer impacts the pump to reverse the safety device. It has large light opening degree, remarkable energy saving effect, small fluid resistance, novel design of water hammer elimination mechanism, stable and reliable sealing performance, wear resistance, long service life, stable operation, no vibration, no noise, etc. In the pipeline of the fire protection system, the fire protection system, or the outlet of the water pump, the water hammer is prevented from flowing back to the pipeline or the pump.

 

Main part material

 

 

 

 

The main technical parameters

 

 

Main dimensions