HG/T 2638-2011
Quality classification of glass-lined equipment for industry (English Version)

Standard No.

HG/T 2638-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

Professional Standard - Chemical Industry

Status

Be replaced 2018-04

Replace By

HG/T 2638-2017

Latest

HG/T 2638-2017

Replace

HG/T 2638-2004

Scope

This standard specifies the methods and requirements for quality grading of glass-lined equipment. This standard applies to the quality classification of glass-lined equipment and components with design pressures less than or equal to 1.0MPa and design temperatures higher than -20°C and lower than or equal to 200°C.

HG/T 2638-2011 Referenced Document

• GB 25025 Specification of glass-lined equipment for industry

HG/T 2638-2011 history

• 2017 HG/T 2638-2017 Glass lined equipment quality grading
• 2011 HG/T 2638-2011 Quality classification of glass-lined equipment for industry
• 2004 HG/T 2638-2004 Quality classification of glass-lined equipment for industry