Standard No.:	JB/T 11242-2011
English Name:	Automotive engine cooling water pump mechanical seal
Chinese Name:	汽车发动机冷却水泵用机械密封
Chinese Classification:	J22    Sealing and sealing device
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	MIIT
Issued on:	2011-12-20
Implemented on:	2012-4-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	10000 words
Price(USD):	300.00
Delivery:	via email in 1~3 business day

本标准规定了汽车发动机冷却水泵用机械密封的基本型式、主要尺寸、参数、要求、检验规定、检验方法、仪器、仪表、包装贮存等。
本标准适用于介质压力不大于0.3 MPa，温度为-35℃～135℃的汽车水封，轴径不大于20 mm，转速不大于9000 r/min，工作介质为清水或汽车冷却液。