530 SERIES SLOW SHUT CHECK VALVE

     Slow shut check valve is composed by the main valve, Non-returning valve, needle valve, ball valve and piezometer, etc.
     This valve is used to adjust the speed of opening and closing, prevent medium reflux, and automatically control the speed of open and shut of water pump.
    Slow shut check valve has two types, Diaphragm type from DN20~DN500, piston type from DN600~DN800. This valve can be widely used in influent pipelines in high-rise buildings, Industries water supply system.

     Valve is installed at the water pump outlet of the water supply. It eliminate devastating water hammer, effectively reduce water hammer pressure due to shutoff of valve, ensuring safety operation of the line network.

Technical Specification/技术规格

- Size/规格：DN20-DN800
- Diaphragm type/隔膜式：DN20-DN500；
- Piston type/活塞式：DN600-DN800
- End/连接法兰：ISO PN6/10/16 
- Work Pressure/工作压力：PN10/PN16 
- Work Temperature/工作温度：0℃～80℃ 

 Structure Character/结构特点

- Slow shut check valve is composed by the main valve, Non-returning valve, needle valve, ball valve and piezometer, etc.
- Adjust the speed of opening and closing, prevent medium reflux. Ensuring safety operation of the line network. 

Main Components and Materials/主要零件和材质

Dimensions/尺寸