Dual Plate Check Valve

  • Dual Plate Check Valve

Applicable Standard

  • Manufacturing Standard: API 594
  • Inspection And Testing Standard: API 598
  • Pressure-Temperature Rating: ASME B 16.34
  • Flanged End Dimension: ASME B 16.5
  • Face to Face Dimension: API

Product Applications

  • Sugar mill.
  • Marine & Mining.
  • Distillery Plant.
  • Fertilizer Plant.
  • Pulp & Paper mill.
  • Industrial Chemical Piping.
  • Oil, Gas, Petrochemical Plant.
  • Textile and Process Industries.
  • Thermal and Nuclear Power Plant.


Product Specification

  • Size: 2" to 24" (DN 50mm to 600mm)
  • Rating: 150#, 300#, 600#, 900#, 1500#, 2500#
  • End Connection: Wafer End, Wafer Lug End, Flanged End
  • Seat Material : Metal to Metal, Soft Seated
  • Design Type: Retainered , Retainerless
  • Material: CF8, CF8M, WCB, CI, DI, Duplex steel 4A, 5A, 6A, Aluminium Bronze, Hastelloy C

Product Features

  • Dual Plate Check Valve as the most efficient & versatile design.
  • This valve is suitable for low-velocity applications with infrequent velocity reversals.
  • This design offers the twin advantages of No Water Hammer and NonSlam together.
  • Dual Plate design minimize valve cracking pressure and reduces valve pressure drop.
  • Spring loading on plate assists valve closing to ensure a tight seal and minimize slamming.
  • When the flow decreases, the plates close by the action of torsion spring before flow reversal takes place.
  • Dual Plate Check Valves are automatic in operation and designed to prevent reversal of flow in fluid piping systems.
  • These valves are maintained open by the flow of fluid in the straight direction and are closed by the back pressure of the fluid.
  • The valve can be fitted with external weights to allow the faster closure to reduce water hammer or shock pressure on flow reversal.