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Check / Non Return Valves

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make offers check valve, which are ideal to reduce flow resistance and pressure drop to the minimum possible level. They are perfectly engineered, lapped and screwed in seat to ensure tight shut-off and long life. A Check valve is a mechanical device that normally allows fluid (liquid or gas) to flow through it in only one direction & the other for fluid to leave. It’s a two-port valves.

Function of Check Valve is to prevent the reverse flow of fluid/gas/air in case of failure or sudden brake-down occurs in Piping Systems. There are various types of check valves used in a wide variety of applications. Check valves are often part of common household items. Although they are available in a wide range of sizes and costs, many check valves are very small, simple, and/or cheap. The bodies (external shells) of most check valves are made of plastic or metal.


"YASH” make Swing Check/Non-Return Valves are designed and manufactured according to BS1868 / API/BS/DIN STANDARD. Check Valves as popularly known in the Piping System in all fields are considered very critical in its application. Valves are provided with properly guided Swing Disc through a Hinge for High Temperature and Pressure, Soft Sealing for Pneumatic and Vacuum applications. The design ensures the Valves function smoothly with a very nominal differential pressure from either side. The disc is designed so compact and light weight to ensure minimum pressure drop across the Valve.

Available in varied materials like Cast Iron, Cast Carbon Steel, Cast Stainless Steel of all Grades, High Alloy Steels, Hastelloy etc. Manufacturing range commences in size from 50NB through 600NB; in Pressure Rating from ANSI 125# through 1500#.

We offer a range of precision check valves that are designed to be self cleaning, quick opening, and positive sealing. These can be customized on the basis of client’s specifications. Therefore, they are available in various dimensions and designs. They are mainly used to make liquid or gas flow in only one direction. These check valves used in a wide variety of applications in many industries

Technical Specification
Size Range: 50NB – 600NB


½” to 24”

stellited, 316, 304, Monel, Ali bronze, duplex

Pressure Rating :

ANSI - 150#, 300#, 400#, 600#, 900#, 1500#, 2500#

Standard :

Generally conforming to BS1868 / API/BS/DIN STANDARD

End Connections :

Screwed Ends to BSP / BSPT/ NPT (F) Socket Weld Ends to ANSI B 16.11

Type :

Swing / Lift

Gasket& Packing :

Optional PTFE/ Graphite/ Asbestos/ Spiral wound/ Ring joint

Disc : Solid
Seat :

Integral/ Renewable/ Seal welded

Material: SS 316/ SS 316 L/SS 304/ CS or any special material
Quality : Highest standard in Visual, Materials, Dimensional Accuracy, Operation, Leak-tightness
Operation : Automatic
Testing: Each valve is 100% tested to ensure leak-tightness at Shell, Seat and Gland
Application Industries : Petrochemical, Power, Energy, Thermal, Refineries, Fertilizers
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Check valve

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