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Database: 189759 (19 Oct 2025)
HG/T 21547-2016 English PDF
HG/T 21547: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
HG/T 21547-2016
English
RFQ
ASK
3 days [Need to translate]
Steel Paddle blank, Paddle spacer, Figure 8 blank for pipe
Valid
HG/T 21547-2016
HG/T 21547-1993
English
RFQ
ASK
3 days [Need to translate]
Steel Paddle blank, Paddle spacer, Figure 8 blank for pipe
Obsolete
HG/T 21547-1993
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Basic data
Standard ID
HG/T 21547-2016 (HG/T21547-2016)
Description (Translated English)
Steel Paddle blank, Paddle spacer, Figure 8 blank for pipe
Sector / Industry
Chemical Industry Standard (Recommended)
Classification of Chinese Standard
G94
Word Count Estimation
145,111
Date of Issue
2016-10-22
Date of Implementation
2017-04-01
Older Standard (superseded by this standard)
HG 21547-1993
Regulation (derived from)
Ministry of Industry and Information Technology Announcement No.56 of 2016
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the basic technical requirements for steel inserts, backing rings and 8-shaped blind plates for pipelines, including nominal size, nominal pressure, material, pressure-temperature rating, sealing surface size, tolerance and marking. The design temperature range to which this standard applies is determined by the permitted operating temperature of the steel.