Standard Code Of Valve
Domestic and foreign Lined Valve standard codes
Main standard codes and names of valves in my country
Standard code Name
GB National standard
GB/T National recommended standard
GBn National standard (internally issued)
GJB National military standard
ZB Industry standard (professional standard)
ZBn Industry standard (internally issued)
ZJB Professional military standard
JB Mechanical industry standard (formerly) Ministry of Machinery Industry standard
JB/Z (formerly) Ministry of Machinery Industry guiding document
EJ (formerly) Ministry of Nuclear Industry standard
YB Ministry of Metallurgy standard
HG Ministry of Chemical Industry standard
SY (formerly) Ministry of Petroleum standard
SD Ministry of Water Resources and Electric Power standard
MT Ministry of Coal Industry standard
HB Ministry of Aviation Industry standard
QJ Ministry of Aerospace Industry standard
QB, SG Ministry of Light Industry standard
JZ, JG Ministry of Urban and Rural Environmental Protection standard
CB China Shipbuilding Corporation standard
LD Ministry of Labor and Personnel standard
JC National Building Materials Bureau standard
JJC National Metrology Bureau standard
CAS China Standardization Association Standard
CVA China Valve Industry Standard
Q/TH (formerly) Chemical General Machinery Professional Standard of the Ministry of Machinery Industry
JB/TQ Internal Standard of the General Machinery Industry of the Ministry of Machinery and Electronics Industry
H General Design Standard for High-Pressure Pipes, Fittings and Fasteners
Main Foreign Standard Codes and Names
Standard Code Name
ISO International Standard
ANSI American National Standard
BS British National Standard
DIN German National Standard
NF French National Standard
JIS Japanese Industrial Standard
API American Petroleum Institute Standard
ASME American Society of Mechanical Engineers Standard
ASTM American Society for Testing and Materials Standard
AISI American Iron and Steel Institute Standard
MSS American Valve and Fittings Manufacturers Standardization Association Standard
AWS American Welding Society Standard
ASI American Specifications Institute Standard
MIL American Military Standard
JPI Japanese Petroleum Institute Standard