Standard No.:	JB/T 8724-1998
English Name:	Reactively sintered silicon nitride seal ring for mechanical seal
Chinese Name:	机械密封用反应烧结氮化硅密封环
Chinese Classification:	J22    Sealing and sealing device
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	Ministry of Machine Building
Issued on:	1998-03-19
Implemented on:	1998-7-1
Status:	abolished
Superseded by:	JB/T 8724-2011 Reactively sintered silicon nitride seal ring for mechanical seal
Superseded on:	2011-8-1
Abolished on:	2011-08-01
Superseding:	JB/JQ 22402-1988、JB/JQ
Language:	English
File Format:	PDF
Word Count:	6500 words
Price(USD):	384.00
Delivery:	via email in 1~3 business day

JB/T 8724-1998 本标准规定了机械密封用反应烧结氮化硅密封环的表示方法、型式与尺寸、技术要求、试验方法与检验规则等内容。 本标准适用于密封腔压力小于 2MPa、温度为 -30℃～200℃的水、油、溶剂及除强碱和氢氟酸外的其它流体介质；机械密封用反应烧结氮化硅密封环内径为 16～120mm。