Valvesonly are topmost Lift Check Valve Manufacturers in USA. A lift check valve, also known simply as a check valve or non-return valve, is a type of valve used to regulate the flow of fluids in a piping system. It operates on a simple principle of allowing fluid flow in one direction while blocking flow in the opposite direction. It consists of a movable disc or piston-like element within a valve body that lifts or moves away from its seat to allow forward flow and closes tightly against the seat to prevent reverse flow. It typically features a valve body with inlet and outlet ports, a movable disc or piston, and a seat where the disc or piston rests when the valve is closed. The disc or piston is usually held in place by a spring or hinge mechanism, ensuring it remains in the closed position when there is no forward flow.
When fluid flows in the desired direction, the pressure of the fluid lifts the disc or piston off its seat, allowing the fluid to pass through the valve. This lifting action creates a minimal pressure drop across the valve, maximizing flow efficiency. When the flow stops or reverses, the disc or piston returns to its seated position under the influence of gravity or the spring mechanism, preventing backflow.
As Lift Check Valve Manufacturers, we offer numerous check valves for various industrial applications.
Parts:
• Body
• Valve Disc or Piston
• Seat
• Spring Mechanism
• Hinge
• Bonnet
• Fasteners
• Gasket
• Handwheel or Actuator
Advantages:
• Prevents backflow
• They have a relatively simple design, consisting of fewer moving parts compared to other types of valves.
• Low pressure drop
• Suitable for high-pressure applications
• They are available in a wide range of sizes, materials, and configurations to suit various applications and operating conditions
• These valves provide a reliable sealing mechanism
• Low maintenance
• Non-slamming operation
• They are generally cost-effective solutions for applications requiring backflow prevention
Applications:
• Lift check valves are often installed on pump discharge lines to prevent backflow when the pump is turned off.
• In boiler feedwater systems, they are used to prevent reverse flow of water into the boiler.
• They are installed in cooling water systems to maintain the flow of cooling water in one direction, preventing backflow that could lead to contamination or damage to cooling equipment.
• Used in process piping within chemical plants to control the flow of various fluids and chemicals.
• Used water distribution systems to prevent backflow of contaminated water into the municipal water supply.
• They play an important role in oil and gas pipelines to prevent reverse flow of hydrocarbons, gases, and other fluids.
• Lift check valves are used in marine and offshore applications
Description:
• Body Material – BS 1868, BS 1873, API 6D, ASME B16.34, Carbon, Stainless, Alloy, Cast Steel(A216 WCB, WCC, LCB, LCC, WC6, WC9), WCB, SS304, 316L, Duplex Steel, 904L, Aluminium bronze , Stainless Steel [ SS316 , SS304, SS316L, SS904L, CF8, CF8M, F304, F316, F31L, F51, F3,F55, F91 ]
• Class – 150LB-900LB
• Size – 1/2 ‘’- 40’’
• Ends –Flanged, socket weld, threaded, butt weld.
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