JB/T 7757.1-1995
Cylindrical helical springs intended to be used in mechanical sealing (English Version)

Standard No.

JB/T 7757.1-1995

Language

Chinese, Available in English version

Release Date

1995

Published By

Professional Standard - Machinery

Status

Be replaced 2011-08

Replace By

JB/T 11107-2011

Latest

JB/T 11107-2011

Scope

This standard specifies the technical requirements, test methods and inspection rules for mechanical seals and cold rolled circular cross-section cylindrical spiral compression springs. This standard applies to cold-rolled cross-section cylindrical spiral springs for mechanical seals. The cross-sectional diameter d of the spring material is greater than or equal to 0.5mm.

JB/T 7757.1-1995 history

• 2011 JB/T 11107-2011 Cylindrically helical compression spring for mechanical seal
• 1995 JB/T 7757.1-1995 Cylindrical helical springs intended to be used in mechanical sealing

JB/T 7757.1-1995 Cylindrical helical springs intended to be used in mechanical sealing was changed to JB/T 11107-2011 Cylindrically helical compression spring for mechanical seal.