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 C
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 installing in the pipeline to open and close the motor remote.Can install the speed control device to replace the big motor operated device of the open and close gate valve and the butterfly valve. Be suitable for all kinds of water supply and drainage applications.
4)Advantages:
The valve is small and has good sealing performance. Can adjust the time of opening and closing.The flow is big and the water hammer isn't caused.
Main External and Connection Dimension Unit:mm