Non slam check valve manufacturer

With outstanding customer service and R&D, Valvesonly Europe is world’s largest non slam check valve manufacturer. To supply our clients with high-quality and cost-effective products, we have qualified specialists and experienced engineers. We can better grasp our clients’ technological needs because we have an engineering-based team. To be competitive in the market, we believe in continual product improvement and innovation. Our goal is to provide our customers with defect-free valves.

Non-slam check valves, also known as nozzle check valves has automatic opening and shutting valve discs that rely on the flow of the medium itself to reduce noise when open or closed. An automatic valve includes a non-slam check valve. Its primary duties are to prevent medium backflow, prevent the pump and drive motor from reversing, and release the container’s medium. The non-slam check valve can also be used to replenish auxiliary systems where the pressure may exceed the system pressure. The non-slam check valve’s purpose is to inhibit flow in the opposite direction, allowing just one way for the media to flow. The valve disc opens under the pressure of the fluid flowing in one direction; when the fluid flows in the other direction, the valve disc acts on the valve seat, cutting off the flow due to the fluid pressure and the self-coincidence of the valve disc. It is incompatible with mediums that include solid particles or have a high viscosity. These valves close without slamming, ensuring that no excessive pressure spikes are formed. An internal spring in the disc of a non-slam check valve opposes the opening fluid flow pressure. When the flow of a media is strong enough, the spring compresses and the valve opens; as the flow diminishes and stops, the spring smoothly pushes the disc back toward the valve’s seating surface, but before the flow direction changes.

Advantages of non-slam check valve:
• One of the most significant advantages of non-slam check valves is their ability to efficiently prevent water hammer and, as a result, the pressure swings, vibrations, and damage that occur.To safeguard downstream equipment from backflow damage.
• They can be utilised both horizontally and vertically
• To prevent siphoning
• To keep a vacuum seal
• Low pressure drops
• Increase energy saving
• Allows a full and unobstructed flow

Applications:
• To protect the downstream form backflow.
• To prevent contamination due to reverse flow
• To keep a vacuum seal

INDUSTRIES WHICH USE NON SLAM CHECK VALVE
• Gas & liquid transmission system
• Power generation
• Textile manufacturing
• Chemical processing plant
• Water treatment
• Gas export and storage

Body Material- Cast Iron check valve and Cast Steel Check Valve (LF2, A216, WCB, WCC, LCB, LCC, WC6, WC9), Ductile Iron Check Valve, Stainless Steel Check Valve [SS316, SS304, SS316L, SS904L, CF8, CF8M, F304, F316, F31L, F91), DUPLEX AND Super duplex STEEL [ F51, F53,F55 ] Forged Steel A105, A105N, F11, F22, F304, F316, F91] , Alloy20 , Hastelloy ALBR.

Size- 2” – 24”
Class-150 – 2500; PN10 – PN-450
Ends-threaded, socket weld, butt weld, flanged, lug, wafer

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