HG/T 21547-2016
Paddle blank, Paddle spacer, Figure-8 blank for piping system (English Version)

Standard No.

HG/T 21547-2016

Language

Chinese, Available in English version

Release Date

2016

Published By

Professional Standard - Chemical Industry

Latest

HG/T 21547-2016

Replace

HG/T 21547-1993

Scope

The design temperature range applicable to this standard should be determined according to the allowable service temperature of the steel. This standard does not apply to the following scopes: 1 Nuclear industry pipelines. 2 Aerospace industry pipelines. This standard specifies the basic technical requirements for steel insert plates, gaskets, and figure-8 blind plates for pipelines, including nominal dimensions, nominal pressure, materials, pressure-temperature ratings, sealing surface dimensions, tolerances, and markings.

HG/T 21547-2016 Referenced Document

• GB 3531-2014 Steel plates for low temperature pressure vessels
• GB 713-2014 Steel plates for boilers and pressure vessels
• GB/T 4237-2007 Hot rolled stainless steel plate, sheet and strip
• GB/T 700-2006 Carbon structural steels
• GB/T 711-2008 Hot-rolled quality carbon structural steel plates、sheets and wide strips
• 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 20609-2009 Metal jacketed gaskets for use with steel pipe flanges(PN designated)
• HG/T 20610-2009 Spiral wound gaskets for use with steel pipe flanges(PN designated)
• HG/T 20611-2009 Covered serrated metal gaskets for use with steel pipe flanges(PN designated)
• HG/T 20612-2009 Metallic ring joint gaskets for use with steel pipe flanges(PN designated)
• HG/T 20613-2009 Bolting for use with steel pipe flanges(PN designated)
• HG/T 20614-2009 Specication for selection of steel pipe flanges,gaskets and bolting(PN designated)
• HG/T 20615-2009 Steel pipe flanges(Class designated)
• NB/T 47008-2010 Carbon steel and alloy steel forgings for pressure equipment
• NB/T 47009-2010 Low alloy steel forgings for cryogenic pressure equipment
• NB/T 47010-2010 Stainless steel and heat-resistant steel forgings for pressure equipment

HG/T 21547-2016 history

• 2016 HG/T 21547-2016 Paddle blank, Paddle spacer, Figure-8 blank for piping system
• 1993 HG/T 21547-1993 Steel insert plate, backing ring, 8-word blind plate for pipeline