HG/T 20201-2007
Technical specification for online leak sealing (English Version)

Standard No.

HG/T 20201-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

Professional Standard - Chemical Industry

Status

Be replaced 2017-10

Replace By

HG/T 20201-2017

Latest

HG/T 20201-2017

Scope

This specification is applicable to pressure sealing projects for leakage accidents in production systems with pressures of 400Pa (absolute pressure) to 30MPa (gauge pressure) and temperatures of -180°C to 800°C. This specification does not apply to pressure sealing projects under the following circumstances: 1 Leakage of extremely hazardous media. 2 Leakage with nuclear radiation hazards.

HG/T 20201-2007 history

• 2017 HG/T 20201-2017 Specifications for Lifting in Chemical Engineering Construction
• 2007 HG/T 20201-2007 Technical specification for online leak sealing