HB/Z 122-1987
Dimensional variation of O-shaped rubber seal ring in aging oil (English Version)

Standard No.

HB/Z 122-1987

Language

Chinese, Available in English version

Published By

Professional Standard - Aviation

Latest

HB/Z 122-1987

Scope

This guidance document provides the dimensional change rules of several O-shaped rubber sealing rings (hereinafter referred to as rubber rings) commonly used in HB 4-56-86 on the basis of tests in hydraulic oil, which can be used to design sealing structures and rubber seals. Reference when circle the mold.

HB/Z 122-1987 history

• 1970 HB/Z 122-1987 Dimensional variation of O-shaped rubber seal ring in aging oil