Flow Check Valve

flow check valve
Valve Body: Gray cast iron HT200, Ductile iron QT400-18,Cast steel WCB
Disc: Gray cast iron HT200, Ductile iron QT400-18,Cast steel WCB, Carbon steel Q235-A

Product Details

Flow Check Valve


Basic Info Of Flow Check Valve

Water Axial Flow Check Valve

Water axial flow check valve is mainly used for water supply, drainage, fire protection and HVAC system. Water axial flow check valve can be installed at the exit of pump to avoid medium backward flow and water hammer damage.

Water axial flow check valve is made up of check valve body, check valve seat, flow deflector, disc, bush, spring etc. Inside flow pass is streamline designed, minimal pressure loss. Disc close-open stroke is short. When pump stopped, axial flow check valve can been closed fast, to avoid huge water hammer noise


Products Specification about Flow Check Valve

Parameter
Nominal Pressure0.6~ 2.5 MPa
Nominal DiameterDN50~DN500mm
Slow Closing Time3-90s
MediumWater 
Suitable Temperature0-80℃
Test Standard GB/T13927-1992

Material

NO.Parts NameMaterial
1Valve BodyGray cast iron HT200, Ductile iron QT400-18,Cast steel WCB
2O-Sealing RIngNBR
3DiscGray cast iron HT200, Ductile iron QT400-18,Cast steel WCB, Carbon steel Q235-A
4SpringSpring steel, Stainless steel
5Outlet CapGray cast iron HT200, Ductile iron QT400-18,Cast steel WCB
Structureflow check valve

Dimension (Connection Size) 

flow check valve

Installation

check valve installation




Quality Control About Flow Check Valve

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Packing and Loading about Flow Check Valve


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