Separate opening closing speed check valve (acv-700)

Separate Opening Closing Speed Check valve (ACV-700)

NU-TECH ACV Non-Surge Check Valves are equipped with separate adjustable opening and closing speed controls to avoid pipeline surges.

Easily maintained without removal from the line
Replaceable seat ring.
Heavy-duty, nylon-reinforced diaphragm.
Operates automatically offline pressure.
Diaphragm assembly guided top & bottom
Diaphragm replaced without removing internal steam assembly.
Pump is protected from reverse flow.
Maximum corrosion protection.

Non-Surge Check Valve is designed to control pipeline surges caused by flow reversal by slowly opening and closing at separate adjustable rate.
Operates on the differential between two pressures,upstream pressure which acting under the seat of the valve & downstream pressure which acting on diaphragm via single hydraulic line.

No surge check valve
Opening speed control only
Closing speed control only

End Connection	Flanged End, Threaded End
Face to Face Standard	Manufacturing Standard
End connection Standard	DIN EN 1092-1, ASME B16.5
Testing Standard	API 598
Sizes	1/2” to 28”
Class	150#, 300#, PN 6, PN 10, PN 16, PN 25
Media	Water
Body Material	CI/CS/SS/Alloy Steel etc.
Trim Material	SS304/SS316 etc.
Soft Seat Material	NITRILE/VITON/EPDM etc.

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