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Check Valve | Van Một Chiều


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Check Valve:

 

 

 Check Valve is the rely on the flow of the medium itself automatically open and close the valve, the valve is used to prevent the media back, also known as check valve, check valve, reflux valve, and back pressure valve. Check Valve is an automatic valve, and its main role is to prevent the media back, to prevent reverse pump and drive motor, and discharge the container media. Check the pressure of which can also be used to exceed the system pressure may rise to the auxiliary system supplies the pipeline. Check valve can be divided into swing check valve (center of gravity by rotation) and lift check valves (along the axis of movement). The role of check valve only allowing media to flow in one direction, and stop the flow the opposite direction. Usually the valve is automatically work in a direction of flow of fluid under pressure, the valve flap to open; fluid flow the opposite direction from the fluid pressure and valve disc from the coincidence of the role of the valve seat to cut off the flow.

 

We supplies: Cast Steel Check Valve, Forged Steel Check Valve, Flanged End Check Valve

Main material of the products are A105, WCB, C5,WC6, WC9,CF8(304), CF8M(316), CF3M(316L), CF3(304L) and so on

Check Valve design standards API, ASTM, ANSI, JIS, DIN, BS, GB, etc.

 

Swing Check Valve:

 check valve 01-

Size:  2"-24" (DN 50- DN600)

Pressure: PN10, PN 16, Class125, Class 150

Body Materials: Cast Iron, Ductile Iron

Disc Materials: Cast iron, Ductile Iron, NBR

Stem Materials: BrassSS416, SS304, SS316

 

 

Wafer Check Valve:

 

 check valve 02

Size:  2"-24" (DN 50- DN600)

Pressure: PN10, PN 16, Class125

Body Materials: SS304, SS316

Seat Materials: NBR, EPDM

Disc Materials: CF8, CF8M

Stem Materials:  SS416, SS304, SS316

Thread Swing Check Valve:

 check valve 06

Size:  1/4"-8"

Pressure: PN10, PN 16, Class125, Class 150

Body Materials: Cast Iron, Ductile Iron, CF8M

Disc Materials: Cast iron, Ductile Iron, NBR

Stem Materials: BrassSS416, SS304, SS316

Lift Check Valve:

 check valve 05

Size:  2"-24"

Pressure: PN10, PN 16, Class125, Class 150

Body Materials: Cast Iron, Ductile Iron, CF8M

Disc Materials: Cast iron, Ductile Iron, NBR

Stem Materials: BrassSS416, SS304, SS316

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