Standard No.:	JB/T 7371-1994
English Name:	Mechanical seal for alkali-proof pumps
Chinese Name:	耐碱泵用机械密封
Chinese Classification:	J22    Sealing and sealing device
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	Hefei General Mechanical Research Institute
Issued on:	1994-07-26
Implemented on:	1995-7-1
Status:	abolished
Superseded by:	JB/T 7371-2011 Mechanical seal for alkaline resisting pump
Superseded on:	2011-8-1
Abolished on:	2011-08-01
Language:	English
File Format:	PDF
Word Count:	6500 words
Price(USD):	380.00
Delivery:	via email in 1~3 business day

本标准规定了耐碱泵用机械密封的型式、参数、主要尺寸、型号品种表示方法、技术要求、试验与检验方法、安装使用要求等内容。 本标准适用于耐碱泵用机械密封，其工作参数为：密封介质压力0~0.5MPa；密封介质温度不高于130℃；转速不大于3000r/min；轴径28~85mm；介质为氢氧化钠、氢氧化钾、碳酸钠、碳酸氢钠、碳酸钙、碳酸钾等碱性液体，其中苛性碱浓度不大于42%，固相颗粒含量小于20%。