category

Standard code

standard name

Scope of application

Nominal diameter/mm

Nominal pressure or pressure level

application

Forged Steel

JB/T 7746-1995

Reduced diameter forged steel valve

10～50

2.5～25MPa

General

Cast Steel

JPI-7S-46-1999

CL150, 300 flange cast steel valve

32～350

CL150、CL300

Petroleum, petrochemical

JIS B2071-1999

Flange connection forged steel stop valve

40～200

10K, 20K

General

JIS B2072-1999

1.0MPa flange connection cast steel angle valve

40～200

10K

JIS B2081-1999

2.0MPa flange-connected cast steel stop valve

40～200

20K

JIS B2082-1999

2.0MPa flange connection cast steel angle valve

40～200

20K

Cast steel, forged steel

BS 5352-1999

Steel wedge gate valves, stop valves and check valves with nominal diameter less than or equal to 50mm

15～50

Cl150, CL300, Cl600, Cl800

Petroleum, petrochemicals

JPI-7S-36-1999

Small steel (forged or cast) valves

10～40

Cl600

ANSI B16.34-1996

Flanged and butt-weld steel valves

15～750

Cl150～2500

General

BS 1873-1999

Flanged and butt-weld end steel globe valves and stop check valves

15～400

Cl150～2500

Petroleum, petrochemicals

MSS-SP-42-1995

CL150 flanged and butt-weld corrosion-resistant gate, globe, angle and check valves

15～50

CL150

General

GB/T 12235-1989

Universal valve flange connection steel globe valve and lift check valve

25～150

1.6～16MPa

BS 5160-1999

General purpose steel globe valves, stop check valves and lift check valves

10～450

1.6～4.0MPa