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Forged Lift Check Valve in India

Forged lift check valves Suppliers, India

We are the most reputed name in the market for providing the best range of Forged Lift Check Valves. These valves are made using the top grade of materials that ensure their effective working and flawless performance. They piston of the valve is body guided to ensure that it returns to the ring of seat. This makes it possible to provide completely leak proof closing. The Forged Lift Check Valves are highly suitable for horizontal line in the pipelines. They are available in various size and operation range as per the standard defined by the international norms. There are also material options provided to the customers so that they can easily select the one that suits their application area in the industrial or any other place.

What is Forged Lift Check Valves

One kind of check valve called a Forged Lift Check Valve is made to permit fluid (such as gas or liquid) to flow in a single direction while blocking reverse flow. It uses the force of the flowing fluid to function automatically without the need for outside control. The disc (or closing element) of the valve is raised when fluid flows in the desired direction, permitting passage. The disc returns to its original position, obstructing the flow and avoiding backflow in the case that the flow reverses.

Made from forged materials, typically steel, which ensures high strength and durability, especially in high-pressure or high-temperature applications. Commonly used in pipelines, industrial plants, oil and gas industries, and other critical systems to protect equipment from reverse flow.

Components of Forged Lift Check Valve

The Forged Lift Check Valve is composed of several key components that work together to regulate fluid flow and prevent backflow.

  • Body: The main casing that houses the internal components of the valve. It is typically forged from high-strength materials like steel to withstand high pressure and temperature conditions.
  • Bonnet: The upper part of the valve that is bolted or welded to the body. It provides access to the internal components for maintenance and inspection.
  • Disc (or Piston): A movable component that lifts off the seat to allow fluid flow in one direction and drops back to block reverse flow. The disc's movement is controlled by the pressure and flow of the fluid.
  • Seat: The seating surface where the disc rests when the valve is closed. It creates a seal to prevent fluid from flowing back. The seat is typically designed to be durable and corrosion-resistant.
  • Hinge Pin (or Guide Pin): A pin that helps guide the movement of the disc or piston, ensuring smooth lifting and dropping during operation.
  • Spring (optional in some designs): In certain designs, a spring assists in closing the disc when the flow stops or reverses, ensuring faster shutoff.
  • Gaskets: Seals that prevent leakage between the body and bonnet, ensuring the valve remains airtight and leak-proof.
  • End Connections: These are the points where the valve connects to the pipeline, such as flanged, threaded, or welded ends, depending on the application requirements.

 

Technical Specifications of Forged Lift Check Valve:

 

SizeDN 15 to DN 50
Construction MaterialForged Carbon Steel ASTM A105 Forged Stainless Steel F304, F304L, F316, F316L, F5, F9, F11, F22 Other Material As per client requirements
Design & Manufacturing StandardAPI 602
Pressure RatingClass 800, 1500 & 2500
Bore TypeRegular
Testing StandardAPI 598
Face to Face StandardAs Per Manufacturers Standard for Screwed, Socket, Butt Weld Ends ASME B16.10 for Flanged Ends
End Connection StandardScrewed Ends, Socket Weld Ends, But Weld, etc Flanged Ends, Welded Flanged Ends, As per ASME B16.5

How does a Forged Lift Check Valve work?

A Forged Lift Check Valve works by allowing fluid to flow in one direction while automatically preventing backflow.

  • When fluid (gas or liquid) flows in the intended direction, the pressure of the fluid pushes the valve's disc (or piston) upward, lifting it off the seat. This creates an open path for the fluid to pass through the valve.
  • If the fluid flow decreases or starts to reverse, the pressure drops, and gravity (or a spring, if present) pulls the disc back down onto the seat. The disc then rests tightly against the seat, preventing any backflow.
  • The valve operates automatically, with no need for external control. It reacts purely to changes in fluid pressure and flow direction.
  • The valve doesn’t need any external power or manual intervention. The movement of the disc is fully dependent on the pressure and flow of the fluid.

Types of Forged Lift Check Valve

Horizontal Lift Check Valve

For use in Horizontal pipelines, a Horizontal Lift Check Valve permits fluid to flow in a single direction while blocking reverse flow. When fluid flows forward, the valve opens a pathway by lifting a disc (or piston) off the seat. Gravity forces the disc back onto the seat in the event that the flow slows down or reverses, obstructing the reverse flow. Industrial pipelines frequently utilize this kind of valve to prevent backflow, especially in systems where the fluid flows horizontally under pressure. Its straightforward design guarantees dependable, automated operation.

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Vertical Lift Check Valve

For vertical pipelines with upward fluid flow, a Vertical Lift Check Valve is specifically made. The upward-flowing fluid's pressure raises the disc or piston in this valve, enabling it to pass through. Gravity pulls the disc back onto the seat when the flow reverses or lessens, preventing reverse flow. The valve is perfect for systems that require vertical flow control, such water, gas, or oil pipelines, because its autonomous operation guarantees that fluids only flow in one direction. It is appropriate for high-pressure applications due to its small size and dependable operation.

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Spring-Loaded Lift Check Valve

One kind of check valve that uses a spring mechanism to help close the valve is called a Spring-loaded Lift Check Valve. The disc (or piston) is lifted off the seat by the pressure when fluid moves forward, allowing the fluid to pass. The spring prevents backflow by pushing the disc back onto the seat more quickly if the flow slows or reverses. This valve is perfect for systems with changing pressures or where quick closure is needed since the spring assures a quicker shutoff. It is frequently used to preserve flow control and safeguard equipment in pumps, compressors, and high-speed flow systems.

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Flanged Lift Check Valve

Lift check valves with flanged ends that make it simple to attach them to pipelines with bolts are known as Flanged Lift Check Valves. This design is perfect for applications where the valve may need to be installed, removed, or maintained regularly since it guarantees a tight, leak-proof fit. When fluid flows forward, the valve lifts the piston or disc off the seat, allowing the fluid to pass through. The disc returns to the seat when the flow reverses or stops, preventing reverse flow. Industrial pipelines frequently use flanged lift check valves, especially in high-pressure systems, and are renowned for their dependable operation and simplicity of maintenance.

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