Reference to the industry standard for valve repair

Jiangyin Oulei Si in the imports of Chinese-made valve repair and valve repair reference test standard is below industry standards at home and abroad valves, valve repair during the time the French reference: NF France, the national standard; the United States when the reference valve repair : AISI American Iron and Steel Institute Standard, ANSI American National Standards, API American Petroleum Institute standards, AWS American Welding Society standards; United Kingdom when the reference valve repair: BS English national standards; Germany when the reference valve repair: DIN German national standard

China's standard code

     National Standard GB

     MT Ministry of Coal Industry Standards

     GB / T national recommended standard

     HB Aviation Industry Standards

     GBn national standards (internal distribution)

     QJ Aerospace Industry Standards

     GJB National Military Standard

     QB, SG Light Industry Standards

     ZB industry standards (Professional Standards)

     JZ, JG Department of Environmental Protection standards for urban and rural areas

     ZBn industry standards (internal distribution)

     CB China Shipbuilding Corporation Standard

     ZJB professional military standards

     LD of labor and personnel standards

     JB Machinery Industry Standard (original) Mechanical Industry Standard

     JC National Building Materials Bureau of Standards

     JB / Z (original) Mechanical Industry guidance documents

     JJC National Measurement Standards Bureau

     EJ (former) Ministry of Nuclear Industry Standard

     CAS China Association for Standardization Standards

     YB Ministry of Metallurgical Industry Standards

     China's valve industry standard CVA

     HG Chemical Industry Standards

     Q / TH (former) Ministry of Industry, Chemical Industry Machinery General Machinery Professional Standards

     SY (former) Ministry of Oil Standards

     JB / TQ machinery and electronics industry within the industry standard of general machinery

     SD hydro-electric power standards

     H high-pressure pipes, pipe fittings and fasteners universal design standards

     Outside the standard code

     ISO International Standard

     AISI American Iron and Steel Institute of Standards

     ANSI American National Standards

     API American Petroleum Institute Standard

     BS British Standard

     MSS United States valves and pipe fittings factory Standards Association Standards

     German national standard DIN

     AWS American Welding Society Standards

     French National Standard NF

     ASI U.S. Standard Specifications Institute

     JIS Japanese Industrial Standard

     U.S. Military Standard MIL

     ASME American Society of Mechanical Engineers standards

     JPI Japan Petroleum Institute Standard

     United States Society for Testing and Materials Standard ASTM