Sanitary Valve Standards

American Standards: ASME-American Society of Mechanical Engineers, ANSI-American National Standards Institute, API-American Petroleum Institute, MSS SP-American Standards Association for Valve and Pipe Fitting Manufacturers

British Standards: BS

German National Standards: DIN

Japanese Industrial Standards: JIS/JPI

French National Standards: NF

End-user valve standards: SHELL MESC, DOW, AK

General valve standards: ASME B16.34 flanged end, butt welding end and threaded end valves

Gate valve standards:

AP I600/ISO 10434 oil and gas bolted steel gate valves

BS 1414 oil, petrochemical and refining industry steel gate valves

API 603 150LB corrosion-resistant flanged end cast gate valves

GB/T 12234 flanged and butt welding steel gate valves

DIN 3352 gate valves

SHELL SPE 77/103 Steel gate valve according to ISO10434

Stop valve standard

BS 1873 Steel stop valve and stop check valve

GB/T 12235 Flange and welded steel stop valve and stop check valve

DIN 3356 stop valve

SHELL SPE 77/103 Steel stop valve according to BS1873

Check valve standard:

BS 1868 Steel check valve

API 594 Wafer and double flange check valve

GB/T 12236 Steel swing check valve

SHELL SPE 77/104 Steel check valve according to BS 1868

Ball valve standard

API 6D/ISO 14313 Pipeline valve

API 608 Flange, thread and butt welding end steel ball valve

ISO 17292 Steel ball valves for petroleum, petrochemical and refining industries

BS 5351 steel ball valves

GB/T 12237 flange and butt-weld steel ball valves

DIN 3357 ball valves

SHELL SPE 77/100 ball valves according to BS5351

SHELL SPE 77/130 flange and butt-weld ball valves according to ISO14313

Butterfly valve standards

API 609 wafer, lug and double flange butterfly valves

MSS SP-67 butterfly valves

MSS SP-68 high pressure eccentric butterfly valves

ISO 17292 steel butterfly valves for petroleum, petrochemical and refining industries

GB/T 12238 flange and wafer butterfly valves

JB/T 8527 metal seal butterfly valves

SHELL SPE 77/106 according to API 608/EN 593 /MSS SP-67 soft seal butterfly valve

SHELL SPE 77/134 API 608/EN 593 /MSS SP-67/68 eccentric butterfly valve

Forged steel valve standard:

API 602 Compact gate valve with flange end, threaded end, welding end and extended body connection end

BS 5352/ISO 15761 50mm and below steel gate valve, stop valve and check valve

SHELL SPE 77/101 ISO 15761 steel gate valve, stop valve and check valve

Low temperature valve standard:

BS 6364 Low temperature valve

SHELL SPE 77/200 Valves below -50℃

SHELL SPE 77/209 0~-50℃ valve

API, DIN, BS, GB structure comparison:

API 600 and BS1414, BS 1873, BS 1868, BS 5351 have the most detailed provisions on the structure of valves

The DIN gate valve standard EN1984 does not make specific provisions on the structure

The new version of GB/T12234 is based on the equivalent adoption of the API600 standard

Sanitary Valve common connection forms:

FF------Flat Face flat flange connection (commonly used for 150LB)

RF------Raised Face convex flange connection

RTJ------Ring Joint mortise and tenon connection (trapezoidal groove)

SW------Socket Welding socket connection

NPT------NPT threaded connection

WAFER------Clamp connection

BW long type------Butt-Welding long type connection

BW short type------Butt-Welding short type connection