HG 21594-1999
Classification and technical conditions of stainless steel man and hand holes (English Version)

Standard No.

HG 21594-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Chemical Industry

Status

Be replaced 2014-11

Replace By

HG/T 21594-2014

Latest

HG/T 21594-2014

Scope

This standard specifies the classification and technical conditions of stainless steel manholes and hand holes in HG 21595 ~ HG 21604-1999 standards. This standard is applicable to stainless steel manholes and hand holes used as outlets and entrances on chemical and petrochemical industrial containers. The nominal pressure is normal pressure 0.6~4.0MPa, and the operating temperature is -20~300℃. Containers similar to those used in the chemical and petrochemical industries can also adopt this standard.

HG 21594-1999 history

• 2014 HG/T 21594-2014 Classification and technical specification for lining stainless steel manholes and handholes
• 1999 HG 21594-1999 Classification and technical conditions of stainless steel man and hand holes

HG 21594-1999 Classification and technical conditions of stainless steel man and hand holes was changed to HG/T 21594-2014 Classification and technical specification for lining stainless steel manholes and handholes.