标准编号:	JB/T 87-1994
中文名称:	管路法兰用石棉橡胶垫片
英文名称:	Asbestos Rubber Gaskets for Pipeline Flanges
中标分类:	J15    管路附件
行业分类:	JB    机械行业标准
发布机构:	机械工业部机械标准化研究所
发布日期:	1994-12-9
实施日期:	1995-10-1
标准状态:	superseded
被新标准替代:	JB/T 87-2015 管路法兰用非金属平垫片
被替代日期:	2016-3-1
替代旧标准:	JB 87-1959
翻译语言:	英文

1 Subject Content and Application Scope This standard specifies types, sizes and technical requirements of asbestos rubber gaskets for steel pipe flanges. This standard is applicable to asbestos rubber gaskets for steel pipe flanges with nominal pressure PN=0.25 to 6.3 MPa, sealing surface type is convex, concave-convex surface, tongued and grooved surface, as specified in JB/T 79 to JB/T 86. 2 Quoted Standards GB 539 Oil-resisting asbestos-rubber sheets GB/T 1804 General tolerances — Tolerances for linear dimensions without individual tolerance indications GB 3985 Asbestos-rubber sheets GB 9129 Specification for asbestos rubber gasket for steel pipe flanges