Product Explain ：
1)Production Enforce Standard
Flanged Dimension: PN1.0-PN1.6Mpa to GB4216, PN2.5Mpa to GB9113
Inspect and Test: JB/T9092, GB/T13927
Diaphragm Type: DN20~450mm
Piston Type: DN500~900mm
Pressure rating:PN1.0MPa PN1.6MPa PN2.5MPa
Suitable Temperature: ≤ 80 ℃
2)Materials:
Body/ Bonnet:Cast iron, Ductile Iron, Carbon Steel, Stainless Steel, Bronze
Compression Spring:Silicon Manganese Stee
Cylinder liner:Stainless Steel
Diaphragm clamping:Ductile Iron
Piston:Ductile Iron, Bronze
Diaphragm:NBR Rubber
O-ring:NBR Rubber
Stem:Stainless Steel
Disc:Ductile Iron, Bronze
Gasket :NBR Rubber
Gasket clamping:Ductile iron. Bronze
3)Purpose:
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.
4)Advantages:
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 can be controlled.
Main External and Connection Dimension Unit:mm