Standard Code Num.

Standard Name

Adopting Standard

GB12220

General valve -- marking

ISO 5209

GB12221

Flanged ends metal valve - face-to-face dimensions

ISO 5752

GB12222

Multi-turn valve -- connection of driving device

ISO 5210/1~3

GB12223

Part-turn valve -- connection of driving device

ISO 5211/1~3

GB12224

Steel valve - general requirements

ANSI B16.34

GB12225

General valve -- copper alloy casting ware technology requirements

ASTM B584

GB12226

General valve -- gray casting iron technology requirements

ISO 185,BS 1452

GB12228

General valve -- carbon forging steel technology requirements

ASTM A 105,A181

GB12229

General valve -- carbon casting steel technology requirements

ASTM A703

GB12230

General valve --- Ao casting steel technology requirements

ASTM A351

GB12232

General valve -- flanged ends iron gate valve

ISO5996-1982,API 595

GB12233

General valve -- iron gate valve and lift check valve

BS5152,5153

GB12234

General valve -- flanged and butt-welding ends copper gate valve

API 600

GB12237

General valve -- flanged and butt-welding ends steel ball valve

ISO7121, API 607

GB12238

General valve -- flanged and wafer ends butterfly valve

BS5155

GB12239

General valve -- diaphragm valve

BS5156,NFE29

GB12240

General valve -- iron plug valve

API 593

GB12241

Safety valve -- general requirements

ISO 4126

GB12242

Safety valve -- characteristic testing solution

ANSI/ASME PTC25.3

GB12243

Direct spring loaded safety valve

JIS B 8210

GB12244

Pressure reducing valve - general requirements

JIS B 8372,B8410

GB12245

Pressure reducing valve - characteristic testing solution

JIS B 8372,B8410

GB12246

Pilot operated pressure reducing valve

JIS B 8372, DSS405

GB12247

Steam trap valve -- classification

ISO 6704

GB12248

Steam trap valve -- technology terms

ISO 6552

GB12249

Steam trap valve -- marking

ISO 6553

GB12250

Steam trap valve -- face-to-face dimensions

ISO 6554

GB12251

Steam trap valve -- testing solution

ISO 6948,7841,7842

GB/T13927

General valve -- pressure testing

ISO 5208

JB/T6899-93

Valve fire-proof test

ISO10497

JB/T7927-95

Valve casting steel ware out-form quality requirements

MSS SP55

ZBJ16006-90

Inspection and testing of valve

API 598