ZH
EN
JP
ES
RU
DE

??? ???

?? 12??? ??? ???? ??? ??? ??.

?? ???? ??? ???? ??? ??? ??? ????: ????, ?? ??, ??? ?? ??, ?????.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??? ???

• GB 50709-2011 ?? ??? ??? ??? ?? ??

Korean Agency for Technology and Standards (KATS), ??? ???

• KS B 1527-2017(2022) ??? ???
• KS B 1527-2017 ??? ???
• KS B 1527-2022 ??? ???

German Institute for Standardization, ??? ???

• DIN 3567:1963-08 ???? NW 20~500? ?????.
• DIN 3567:1993 NW 20~500? ??? ???

SCC, ??? ???

• BS 3974-1:1966 ??? ??? ??. ??? ??? ??? ??

MSS - Manufacturers Standardization Society of the Valve and Fittings Industry., ??? ???

• SP-77-1984 ??? ??? ?? ?? ???

RU-GOST R, ??? ???

• GOST 18815-1980 ?? ?? ??? ?? ? ??

Professional Standard - Nuclear Industry, ??? ???

• EJ/T 386-1989 30?kW ???? ??? ??????? ??? ??? ???? ??? ????

Professional Standard - Petrochemical Industry, ??? ???

• SH/T 3073-2004 ???? ????? ??? ? ??? ?? ??

British Standards Institution (BSI), ??? ???

• BS 3974-1:1974(1999) ??? ??? ?? - 1?: ??? ??, ???? ? ?? ???

??:   ??? ???, ??? ??, ?? ???, ?? ???, ?? ???, ?? ???, ????, ?? ??, ?? ???, ?? ???, ?? ???, "?? ???", ?? ???, ??? ???, ??? ??? ??, ??? ??? ???, ??? ? ???, ?? ??? ???, ?? ??? ??? ? ??, ??? ???.