Advantages and purpose
Can avoid the water hammer and get the effect of slow closure and muffler. Also can protect the pump and ensure the pipe to normally operate. The speed of opening and closing be controlled.
For the pump direct water supply and drainage applications in the mining industry and high buildings. Reduce the water hammer in order to safely close.
Standard and regulation
Flange connection dimension: GB/T 17241.6-1998, GB/T 9113.1-2000
Nominal pressure: PN0.6MPa, PN1.0MPa, PN1.6MPa, PN2.5MPa
Nominal diameter: Diaphragm type DN20～450mm, Piston type DN500～900mm
Suitable medium: Water
Suitable temperature: ≤80℃
Inspection and test: GB/T12245, GB/T 13927, API598

Body material: Cast iron, Ductile cast iron, Carbon Steel, Stainless steel