Van một chiều (Dạng đĩa cao su)

The valves is designed with unimpeded bore, so the pressure loss is very little and no sundries pile up in the body and it is easy to maintain this kind of valves. The valves is used for feeding system and installed at the outlet of the pump to prevent the fluid flowing backward and water hammering. Also it can be installed at the inlet of inlet/outlet's bypass pipe to prevent the water in the cistern flowing backward into the pipe.

Mail part & material 
Body: pray cast iron, ductile cast iron 
Disc: steel plate+ nylon + NBR
Bonnet: pray cast iron, ductile cast iron

Technical Specification
-Nominal diameter：50～600mm 
-Nominal pressure：1.0~1.6Mpa-Medium: water and weak corrosive fluid, etc.
-Work temperature: 0~80℃

Main external and connection dimension