Check Valves

• Bidirectional Sealing Check Valve

  NSV Bidirectional Sealing Check Valve This bidirectional sealing check valve prevents reverse flow from either direction and is equipped with a handwheel for manual operation. Designed for high...

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• Counterweight Hydraulic Check Valve

  This Counterweight Hydraulic Check Valve is designed for large diameter high pressure pipelines requiring silent non-slam closure. It uses a counterbalanced lever and weight system combined with...

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• Lever Weight Check Valve With Bypass

  NSV Lever Weight Check Valve with Bypass This lever weight check valve with integrated bypass is available in all sizes up to DN400 and pressure ratings up to PN40. It prevents reverse flow using...

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• Tilting Disc Double Flange Check Valve

  NSV Tilting disc double flange check valves, as check valve is opened when flow goes through one direction and closes at backflow.Thanks to the fast closure of this versatile valve, pump...

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• Tilting Disc Wafer Check Valve

  NSV Tilting disc wafer check valves, as check valve is opened when flow goes through one direction and closes at backflow.Thanks to the fast closure of this versatile valve, pump protection is one...

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• Dual Plate Wafer Check Valve

  NSV Double disc check valves are mainly used for the pipelines which medium is one-way flow, only allowing medium to flow in one direction, in order to prevent accidents.They are widely used in...

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• Pressure Seal Tilting Disc Check Valve

  NSV Pressure Seal Tilting Disc Check Valve, as check valve is opened when flow goes through one direction and closes at backflow Thanks to the fast closure of this versatile valve, pump protection...

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• Non-Slam Nozzle Check Valve

  NSV non-slam check valves(also named Axial Check Valve,Axial Flow Check Valve,In Line Piston Check Valve,Nozzle Check Valve,Venturi Check Valve), non-slam check valves is suitable for use in a...

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• API 6D Check Valve

  NSV API6D Full Port Swing check valves, like all check valves, are used to prevent back flow in the line. That’s full port design due to some pipeline need pigging,and BS1868 standard check valve...

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• PSB Check Valve

  NSV High Pressure with PSC Swing check valves, like all check valves, are used to which allow fluid to flow in one direction but prevent it from flowing in the other, are available in a wide range...

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• Forged Swing Check Valve

  NSV Forged Swing Check valves,its produced one piece that’s stronger than an equivalent casted parts.like all check valves, are used to prevent back flow in the line. The pressure of the fluid...

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• Forged Lift Check Valve

  Standard valve design has no spring in order to minimize cracking pressure and pressure drop, it will only function properly when installed in a horizontal line. As an option the designs can...

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