Specialityvalve is the foremost Swing check valve manufacturer in India. Swing valve allow flow in one direction and automatically prevent the backflow when the fluid in the line reserve direction. Swing valve is also known as clack valve or non-return valve. Swing valves, like all check valves, square measure accustomed stop backflow within the line. The pressure of the fluid passing through a system opens the valve, whereas any reversal of flow can shut the valve. The swing check valve functions by permitting flow forces to manoeuvre the closure component, it is a hinged clapper that swings or rotates around a supporting shaft.

The disk swings far from the valve seat to permit flow within the forward direction, and returns to the valve-seat once the upstream flow is stopped, to prevent backflow. Swing check style is one in every of the foremost common and best check valve for all-purpose use. These valves manufacturer the lowest pressure drop, in comparison with alternative check valves of the same size, the interior contours, and shapes enable them to completely open at low fluid velocities and build a swish flow path through the valve.

Swing check valves allow for full, unrestricted flow while closing automatically when pressure drops. When the flow hits zero, the valve closes completely. Because of the modest pressure drop across the valve, swing check valves are suitable for use in systems with gate valves. The valve is made up of a disc and a hinge that are held together by a hinge pin and are suspended from the body. Metal-to-metal or metal seat to composition disc seating is used in this valve. For services where particles may be present in the media, where noise is an issue, or when positive cut off is required, a composition disc is advised. The Y-pattern or straight body form of the swing check valve is available. The disc is hinged at the top of the straight body design so that it seals against the body's integral seat. The closure element of a single-disc swing check valve is affixed to the top of the cap.

Swing check valves have the following advantages:
• Swing check valves are designed with easy maintenance in mind. The bonnet assembly, including the hinge and disc, can be removed from the body and maintained by unscrewing a few bolts.
• Backflow is avoided.
• Keeps the pressure on.
• It acts as a backup system.
• The majority of them may be used both horizontally and vertically.
Features of Swing check Valve:
• Bonnet/disc style offers easy accessibility to maintenance.
• Lip waterproofing on the disc ensures tightness.
• A light-weight disc needs a minimum of force to open and shut the valve.
• The disc is in a position to manoeuvre slightly each horizontally and vertically to shut fully tight.

Applications of swing check valve:
Swing Backflow is prevented and pressure is maintained with the use of check valves. They're frequently employed as a backup in the event that a pump fails, to assist compressors and reciprocating pumps, and when the system pressure exceeds the primary equipment's capabilities. Swing Check valves are used in a variety of sectors, including refining, petrochemical, chemical, and oilfield operations, as well as water, steam, refining petro, and viscous fluids. Check valves are also popular in waste-water management and manufacturing systems.

Description:
• Body Material – 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 – 150 – 2500.
• Size – ½” – 40”
• Ends – butt weld swing check valve,
socket weld swing check valve,
threaded swing check valve,
flanged swing check valve.

Visit our website for more details –
https://www.specialityvalve.com/product-category/swing-check-valve/