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Valvesonly are the 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 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.Spring or hinge mechanism is used to keep the disc or piston in the closed position when there is no flow moving forward.

As the fluid moves in the desired direction, the pressure from the fluid raises the disc or piston from its position, enabling the fluid to flow 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 in USA, 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 simple design and fewer moving parts

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 utilized to stop water from flowing back into the boiler.

They are installed in cooling water systems to ensure that the flow of cooling water remains unidirectional, thus avoiding contamination or harm 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.

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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