Description
The valves have slow-open, quick-close and slow-close function to prevent water-hammering when open or close pump. Only push the button for closing or opening pump and the valves can run according to the pump's operation procedure with large flow and little pressure loss. Diaphragm type multifunctional pump control valves is for DN 450 or less valves.
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 DN50゛450mm, Piston type DN500゛900mm
Suitable medium: Water
Suitable temperature: ＋80≧
Inspection and test: GB/T 13927, API598
Body material: Cast iron, Ductile cast iron, Carbon Steel, Stainless steel |
