Pump Control Valve

Product discription:
1.Size: 2"--32" or DN50--800mm
2.Pressure: PN1.0--2.5MPa or Class 150--300lbs
3.Material: Cast iron, cast steel, carbon steel, stainless steel.
4.Diaphragm type: DN50-DN350
5.Piston type: DN400-DN800

Proveded with a non-return valve to control opening and closing speed.
It can be adjusted to optimal opening and closing speed to cater for
working conditions when pump starts or stops running.
First close main valve by 90% before stopping pump motor, and then
close the rest 10%, thus to successfully avoid the production of water hammer and slamming.