ANSI |
American National Standards |
ASME |
American Society of mechanical Engineers |
ISO |
International Organization for Standardization |
MSS |
Manufacturers Standardization Society of the Valve and Fitting |
ASTM |
American Society for Testing Materials |
API |
American Petroleum Institute |
ASA |
American Supply Association |
ISA |
International Society of Automation |
OCIMF |
Oil Companies International Marine Forum |
DIN |
Detaches Institute fur No |
NACE |
National Association of Catering Executives |
PPI |
Plastic Pipe Institute |
AWS |
American Welding Society |
AWWA |
American Water Works Society |
ASHRAE |
American Society Heating and Refrigerant Engineering |
IPS |
Iranian Petroleum Standard |
AISI |
American Iron and Steel Standard |
IGS |
Iranian Gas Standard |
BS |
British Standard |
NFPA |
National Fire Protection Association |
PEI |
Petroleum Equipment Institute |
IALA |
International Association of Marine Aids to Navigation and Lighthouse Authorities |