ISO, API, ASTM, ANSI, JIS, DIN, BS & GB Standards.
ANSI Valve Standards
American National Standards Institute - ANSI - valve standards.
API Valve Standards
An overview of the American Petroleum Institute - API - valves standards.
ASME Valve Standards
An overview of The American Society of Mechanical Engineers - ASME - valve standards.
BS - British Standard Valves
An overview of British - BS - valve standards.
Chinese and International Valve Standards
Chinese valve standards compared with the international ISO, ASTM , ASME, ANSI, MSS, API and JIS standards.
Chinese Valve Standards
Chinese standards for steel, cast iron and metal valves.
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