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Design std. as per bs 5352  
Testing std as per api 598, bs 6755 part i
End connection screwed end, socked end bspt/npt
Size 800# 15 to 50 m.m.
1500# 15 to 40 m.m.
2500# 15 to 25 m.m.


A check valve or non-return valve which normally allows to flow through it in only one direction.

Check valves are two-port valves, means they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications. Although they are available in a wide range of sizes and costs, Check valves work automatically and most are not controlled An important concept in check valves is the cracking pressure which is the minimum upstream pressure at which the valve will operate.

A swing check valve or tilting disc check valve is check valve in which the disc, the movable part to block the flow, swings on a hinge or trueunion, either onto the seat to block reverse flow or off the seat to allow forward flow

A lift-check valve is a check valve in which the disc, can be lifted up off its seat by higher pressure of inlet or upstream fluid to allow flow to the outlet or downstream side. A guide keeps motion of the disc on a vertical line, so the valve can later reseat properly. When the pressure is no longer higher, gravity or higher downstream pressure will cause the disc to lower onto its seat, shutting the valve to stop reverse flow.

KEY FEATURE The product designs are in accordance to ANSI B16.34 / BS1868 / IBR with reliable sealing & sturdy construction to ensure excellent performance.
Suitable for the horizontal & vertical pipe runs.
“NON-SLAM” arrangement i.e. Dash Pot arrangement can be provided.
Pressure sealed bonnet for ANSI#900 and above to provide excellent sealing against increased line pressure.
Full range of Body / Cover / Bonnet & Trim material.
Valves are available in both Flange End & Butt Weld ends.


Body astm a 105, astm a 182, astm f304,
Disc 13% cr s.s.304,s.s.316 etc
Seat 13% cr s.s.304,s.s.316, integeral etc

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