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Non-Slam Non-Return Valve | Hydrocore™

Supplier: Dual Valves Australasia

The Hydrocore™ non-slam check valve prevents back flow while minimising the water hammer effect during the valve's closure.

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Principle of operation:

  • The Hydrocore™ non-slam check valve gradually opens when the pump starts running.
  • Gradually closes at a speed controlled by the valve's speed control orifice.
  • Gradually reduces the flow through the valve while closing.
  • Utilises a spring to ensure a valve closed position.
  • Can be installed in a horizontal or vertical position.

Long life & low maintenance

All moving parts and surfaces of the Hydrocore™ non-slam check valve are made from stainless steel in order to minimise corrosion and prevent scale buildup. The valve's shuttle is suspended by bronze bushes.

Spring Loaded Shuttle

The Hydrocore™ non-slam check valve's spring maintains a closed valve position when the valve's upstream is empty. The spring also assists the closing function on reverse flow conditions.

Closing Speed

The Hydrocore™ non-slam check valve speed is determined by the speed control orifice. Decreasing the orifice size slows down the closing speed and vice versa.

Valve Length

The Hydrocore™ non-slam check valve face to face dimensions comply with ANSI B16.10 standards but could be increased upon request by the client.

Dimensions & Ratings

  • 25NB (1") - 600NB (24")
  • 10 bar (147 psi) - 250 bar (3675 psi)

Valve Ends

  • Flanges - ANSI B16.5, SABS 1123, BS4504, BS10, ASME B16.34
  • Couplings - Tapered shoulders and other pipe ends

For more information on the Hydrocore™ non-slam check valve, please click here.

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