HG/T 21519-2014
Plate flange manholes with davit to vertical cover (English Version)

Standard No.

HG/T 21519-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Professional Standard - Chemical Industry

Latest

HG/T 21519-2014

Replace

HG/T 21519-2005

Scope

This standard is applicable to the design of steel vertical ceiling plate-type flat welding flange manholes with a nominal pressure of PN6 in chemical, petrochemical equipment and other similar equipment.

HG/T 21519-2014 Referenced Document

• GB/T 41 Hexagon nuts,style 1.Product grade C*， 2016-02-24 Update
• GB/T 95 Plain washers--Product grade C
• HG/T 20592-2009 Steel pipe flanges(PN designated)
• HG/T 20606-2009 Non-metallic flat gaskets for use with steel pipe flanges(PN designated)
• HG/T 20607-2009 PTFE envelope gaskets for use with steel pipe flanges(PN designated)
• HG/T 20613-2009 Bolting for use with steel pipe flanges(PN designated)
• HG/T 21514 Technical specification of steel manholes and handholes

HG/T 21519-2014 history

• 2014 HG/T 21519-2014 Plate flange manholes with davit to vertical cover
• 2005 HG/T 21519-2005 Vertical hanging cover plate flat welding flange manhole
• 1995 HG 21519-1995 Vertical hanging cover plate flat welding flange manhole