Cast Steel Flanged End Swing Type Check Valves

Cast Steel Flanged End Swing Type Check Valves

SPECIFICATION
Design & Manufacturing BS 1868
Testing Standard API 598
Material A216 GR. WCB, A351 GR. CF8, CF8M, Duplex Steel, Etc.
Class ASME B16.5 CL.150#
Suitable Medium Petroleum, Chemical, Pharmaceutical, Chemical Fertilizer And Electric Power Industry
Flanged End ASME B16.5
Face to Face ASME B16.10
Operation Self
Certificate ISO 9001 : 2008

A check valve, clack valve, non-return valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.

Check valves are two-port valves, meaning 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. Check valves are often part of common household items. Although they are available in a wide range of sizes and costs, check valves generally are very small, simple, or inexpensive. Check valves work automatically and most are not controlled by a person or any external control; accordingly, most do not have any valve handle or stem. The bodies (external shells) of most check valves are made of plastic or metal.

An important concept in check valves is the cracking pressure which is the minimum upstream pressure at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure.

Dimensions (mm)

Size F/F ØB ØOD FT ØRFD RFH ØP ØJ No Of Holes
25mm 127 25 108 9.6 51 1.5 79.5 16 4
40mm 165 38 127 12.7 73 1.5 98.5 16 4
50mm 203 51 152 14.3 92 1.5 120.5 19 4
65rnm 216 64 178 15.9 105 1.5 139.5 19 4
80mm 241 76 190 17.5 127 1.5 152.5 19 4
100mm 292 101 229 22.3 157 1.5 190.5 19 8

Dimensions (mm)

Size F/F ØB ØOD FT ØRFD RFH ØP ØJ No Of Holes
25mm 127 25 108 9.6 51 1.5 79.5 16 4
40mm 165 38 127 12.7 73 1.5 98.5 16 4
50mm 203 51 152 14.3 92 1.5 120.5 19 4
65rnm 216 64 178 15.9 105 1.5 139.5 19 4
80mm 241 76 190 17.5 127 1.5 152.5 19 4
100mm 292 101 229 22.3 157 1.5 190.5 19 8

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