Lift Check valve

Speciality Valve is esteemed as the renowned expert Lift Check Valve Manufacturers in India. From Mumbai to Dubai, our valves are trusted by industrial giants worldwide, reflecting our commitment to quality and reliability on a global scale.

Understanding Lift Check Valve:
A lift check valve is a critical component within fluid control systems, designed to regulate the flow of fluids in pipelines while preventing backflow. Its functionality hinges on a disc or piston that moves vertically, or “lifts,” from its seat to permit fluid flow and returns to its seat to block reverse flow when fluid pressure decreases. This valve variant finds extensive application in industries where preventing backflow is paramount for operational safety and efficiency, such as in pipelines, pumps, and boilers. The valve’s design usually includes a number of crucial elements. First of all, the valve body acts as a conduit for fluid flow and as a housing for internal mechanisms. The disc or piston comes into contact with the seat, which is housed within the valve body, to create a sealing interface that prevents reverse flow. Depending on variations in fluid pressure, the piston or disc above the seat moves vertically. Some of these valves also have a spring mechanism to help close the valve quickly and stop fluid momentum from causing the valve to close too soon.

Working Mechanism:
In a typical functioning, the disc or piston is driven upward when the fluid pressure upstream is greater than the fluid pressure downstream. This overcomes any spring tension that may be there and permits fluid to pass through the valve. Reverse flow is prevented, though, when the fluid pressure downstream exceeds the fluid pressure upstream and the disc or piston returns to its seated position due to gravity or the spring. This unidirectional flow control system keeps potentially harmful backflow from happening while ensuring that fluids flow freely in the intended direction.

Parts of the valve:
1.Valve Body
2.Inlet Port
3.Outlet Port
4.Check Valve Disc (or Piston)
5.Seat Ring
6.Spring
7.Hinge Pin
8.Bolted Bonnet
9.Body Gasket

Advantages of Lift Check valve:
1.Unidirectional Flow Control
2.Low Maintenance
3.Versatility
4.Quick Response
5.Long Service Life
6.Reliable Operation
7.Compact Design
8.Available in various Materials
9.Prevents Contamination

Industries:
1.Oil and Gas Industry
2.Chemical Industry
3.Water Treatment and Distribution
4.Power Generation
5.Petrochemical Industry
6.Marine and Shipbuilding
7.Mining Industry
8.Aerospace Industry
9.Automotive Industry
10.Paper and Pulp Industry
11.Wastewater Treatment

Description:
1.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 ]
2.Class – 150-900
3.Size – 1/2 ‘’- 40’’
4.Ends –Flanged, socket weld, threaded, butt weld.