List of domestic and international valve standards

Domestic valve standard code

GB

National standard

JC

National Building Materials Bureau Standard

MT

Ministry of Coal Industry Standard

JB/Z

(original) Ministry of Machinery Industry Guidance Document

GB/T

National recommendation

JJC

National Bureau of Standards

HB

Aviation Industry Standard

EJ

(original) Ministry of Nuclear Industry Standard

GBn

National standard (internal issue)

CAS

China Standards Association Standard

QJ

National military standard

YB

Ministry of Metallurgy Standard

QB , SG

Ministry of Light Industry Standard

CVA

China Valve Industry Standard

ZB

Industry standard (professional standard)

HG

Ministry of Chemical Industry Standard

JZ , JG

Urban and Rural Environmental Protection Standard

SY

(original) Ministry of Petroleum Standard

ZBn

Industry standard (internal issue)

SD

Ministry of Hydraulic Power

CB

China Shipbuilding Corporation Standard

ZJB

Professional military standard

LD

Ministry of Labor and Personnel Standard

 

 

JB/TQ

Internal Standards for the General Machinery Industry of the Ministry of Machinery and Electronics Industry

H

General design criteria for high pressure pipes, fittings and fasteners

JB

Machinery Industry Standard (Original) Machinery Industry Standard

Q/TH

(Original) Ministry of Machinery Industry Chemical General Machinery Professional Standard

Foreign valve standard code

ISO

International standard

NF

French national standard

AISI

American Iron and Steel Institute Standard

ASI

American Standards Institute Standard

ANSI

American National Standard

JIS

Japanese Industrial Standard

API

American Petroleum Institute Standard

MIL

US military standard

BS

British National Standard

ASME

American Society of Mechanical Engineers Standard

DIN

German national standard

JPI

Japan Petroleum Institute Standard

AWS

American Welding Association Standard

ASTM

American Society for Testing Materials Standards

MSS

American Valve and Fittings Manufacturers Standardization Association Standard