HG 21514-1995
Types and technical conditions of carbon steel and low alloy steel manholes and handholes (English Version)

Standard No.

HG 21514-1995

Language

Chinese, Available in English version

Release Date

1995

Published By

Professional Standard - Chemical Industry

Status

Be replaced 2006-01

Replace By

HG/T 21514-2005

Latest

HG/T 21514-2014

Scope

This standard specifies the types, technical conditions and markings of standard human and hand holes from HG 21515-95 to HG 21535-95. This standard applies to carbon steel and low alloy steel manholes and hand holes used as entrances, exits or inspection ports on containers in the chemical and petrochemical industries. The nominal pressure is normal pressure 0.25MPa ~ 6.3MPa, and the working temperature is - 40℃～500℃. Containers similar to those used in the chemical and petrochemical industries may also adopt this standard. The applicable scope, type, basic parameters and dimensions of various types of man and hand holes (including the materials of each component in the man and hand holes, the maximum impact-free working pressure value at different working temperatures, etc.) and their technical requirements are respectively stipulated in HG 21515-95～HG 21535-95 standard.

HG 21514-1995 history

• 2014 HG/T 21514-2014 Technical specification of steel manholes and handholes
• 2005 HG/T 21514-2005 Types and technical conditions of steel manholes and handholes
• 1995 HG 21514-1995 Types and technical conditions of carbon steel and low alloy steel manholes and handholes

HG 21514-1995 Types and technical conditions of carbon steel and low alloy steel manholes and handholes was changed to HG/T 21514-2005 Types and technical conditions of steel manholes and handholes.