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Automatic Control Valve

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.

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ACV-700 Non-Surge Check Valve
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Feature

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

Combine Features

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

Operation

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

Specifications

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.
Connect With NU-TECH Controls

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