What are the check valve specifications?

standard encdoing

Standard Chinese name

Standard English name

SY/T5215-87

Drill check valve

GB/T12235-1989

Universal valve flange connection steel globe valve and lift check valve

General purpose industrial valves—Flanged steel globe valves and lift check valves

GB/T1241-1983

Marine external thread forged steel stop check valve

Marine forged steel male thread stop and check valves

GB/T12233-1989

General valve iron globe valve and lift check valve

General purpose industrial valves—Casting iron globe valves and lift check valves

GB/T12236-1989

General purpose valve steel swing check valve

General purpose industrial valves—Steel swing check valves

GB/T13932-1992

General valve iron swing check valve

General purpose industrial valves–Cast iron swing check valves

GB/T18691-2002

Agricultural irrigation equipment check valve

Agricultural irrigation equipment–Check valves

GB/T1952-1980

Marine low pressure external thread bronze check valve

Lowbressurebronzemalescrew-threadcheckvalveformarineuse

GB/T597-1983

Marine Bronze Check Valve with External Thread

Marinebronze male threadlift check valves

GB/T592-1993

Marine flange cast iron check valve

Marine cast iron flanged lift check valves

GB/T591-1993

Marine flange cast iron stop check valve

Marine cast iron flanged stop check valves

GB/T586-1999

Marine flange cast steel check valve

Marine cast steel flanged check valves

GB/T588-1993

Marine flange bronze stop check valve

Marinebronze flanged stop check valves

GB/T589-1993

Marine flange bronze check valve

Marine bronze flanged check valves

GB/T596-1983

Marine external thread bronze stop check valve

Marinebronze male thread stop and check valves

GB/T585-1999

Marine flange cast steel stop check valve

Marine cast steel flanged stop check valves

GB/T1953-1984

Marine low pressure external thread bronze stop check valve

Marine low pressure broke male threaded stop check valves

JB/T8937-1999

Wafer check valve

JB/T1736-1991 (reviewed in 2005)

Swing check valve disc seal ring

JB/T1737-1991 (2005 review)

Swing check valve disc sealing ring pressure plate

JB/T53036-1999

Check valve product quality grading

NF E29-350-2003

Industrial valves. Steel ball valves, ball globe valves and check valves

(Industrial valves- Steel globe and globe stop and check valves.)

NF E29-316-3-2000

Valves for water supply. Applicability requirements and special inspection tests. Part 3: Check valves

(Valves for water supply-Fitness for purpose requirements and appropriate verification tests-Part 3: check valves.)

NF P43-017-1989

Building water pipe valves. Adjustable EA check valves with flanges. General technical specifications

(VALVES AND TAPS FOR WATER SUPPLY IN BULDINGS. COOLLABLE CHECK VALVES EA, WITH FLANGES. GENERAL TECHNICAL SPECIFICATIONS.)

NF E29-373-1984

Industrial valve. Check valve. Steel, single rocking plate, with flange, ISO standard pressure 16, 20, 25, 40, 50, 100