Check Valves

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Dual Plate Disc Check Valve

The dual plate disc check valve, also known as a non-return valve or retainerless check valve, is designed to avoid the return flow of liquids. This valve allows medium flow in a single direction and operates on an automatic mechanism.

The cylindrical body of this valve helps distribute stress more evenly than other valves, while its double valve design withstands higher loads.

Al Hakim, as one of the leading suppliers, offers top-quality dual plate check valves with superior performance and durability.

Check Valves

Dual Plate Check Valve Specifications

  • Size Range: 2″ – 60″
  • Pressure Class: ASME 150 – 2500
  • Design Standards: API 594, API 6D & API 6A / ASME: B16.34

Features

  • Wafer, Lug & Flange Type
  • Retainerless Design
  • Low Checking Pressure
  • Non-Slamming
  • Fire Safe by Design

Advantages of Dual Plate Check Valves

  • Retainerless body: No penetration through the body of the valve.
  • Lightweight: Significantly lighter than conventional swing check valves.
  • Fire-safe design.
  • Self-Seating Design: Reduces wear at seat surfaces and provides consistent sealing.
  • Prevents disc damage with stopper pins that avoid disc contact.
  • Rubber-lined valves to prevent corrosion.

Applications

  • Water: Boiler feed water, potable water systems, and water supply systems.
  • Oil and Gas: Cryogenic and offshore systems, lubricating oil production.
  • Chemical: Pharmaceuticals, paper and cement factories, copper and zinc factories.

Other Types of Check Valves

  • Swing check valve
  • Ball check valve
  • Lift check valve
  • Single Plate check valve
  • Non-slam swing check valve
  • Tilting disc check valve
  • Pressure seal check valve
  • Foot check valve
  • Forged steel check valve

Advantages

  • Prevents backflow
  • Simple design and operation
  • Low maintenance

Industries

  • Chemical Industry
  • Pulp and Paper Industry
  • Marine Industry
  • Mining Industry
  • Power Generation Industry
  • Oil and Gas Industry
  • Nuclear Industry
  • Petrochemical Industry
  • Water Treatment Plants
  • Textile Manufacturing Industry

Check Valve Description

Body Material: Cast Iron, Cast Steel, Ductile Iron, Stainless Steel (SS316, SS304, SS316L, SS904L), Duplex and Super Duplex Steel, Forged Steel, Alloy20, Hastelloy.

Size: ½” – 80”

Class: 150 – 2500; PN10 – PN450

Ends: Threaded, socket weld, butt weld, flanged, lug, wafer

For more details, contact us today!