Standard No.:	GB 5894-1986
English Name:	The terms of mechanical seal
Chinese Name:	机械密封名词术语
Chinese Classification:	J22    Sealing and sealing device
Professional Classification:	GB    National Standard
Source Content Issued by:	National Standards Bureau
Issued on:	1986-03-01
Implemented on:	1986-10-1
Status:	superseded
Superseded by:	GB/T 5894-2015 Terminology of mechanical seal
Superseded on:	2016-7-1
Abolished on:	2016-07-01
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	60.0
Delivery:	via email in 1 business day

1.1 Mechanical seal (face seal) A device against fluid leakage, composed by keeping close fit and relative sliding for at least a pair of faces vertical to the rotating axis under the action of fluid pressure and compensation mechanism's elastic force (or magnetic force) as well as the matching of auxiliary seal. 1.2 Hydrodynamic mechanical seal Mechanical seal of which the seal face is designed into particular geometric shape and generates hydrodynamic pressure effect through counter rotation.