This Standard specifies the steel pipe fittings attached by butt-welding to ordinary pipings carrying steam, water, oil, gas, air, etc. of comparatively low working pres- sure (hereafter referred to as "pipe fittings"). Further, Annex A (normative) specifies the pipe fittings of special shape not given in the text of this Standard, which may be designated upon agreement between the purchaser and the manufacturer. Note Pipings using carbon steel pipes for ordinary piping specified in JIS G 3452 and pipings using arc welded carbon steel pipes for piping speci- fied in JIS G 3457.
JIS B2311-2009由日本工业标准调查会 JP-JISC 发布于 2009-02-20,并于 2009-02-20 实施。
JIS B2311-2009 在中国标准分类中归属于: J15 管路附件,在国际标准分类中归属于: 23.040.40 金属配件。
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