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Database: 189760 (18 Oct 2025)
NB/T 47023-2012 English PDF
US$549.00 · In stock
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NB/T 47023-2012
: Welding neck flange
Status: Valid
Standard ID
Contents [version]
USD
STEP2
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Standard Title (Description)
Status
PDF
NB/T 47023-2012
English
549
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Welding neck flange
Valid
NB/T 47023-2012
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Basic data
Standard ID
NB/T 47023-2012 (NB/T47023-2012)
Description (Translated English)
Welding neck flange
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
J15
Classification of International Standard
23.040.60
Word Count Estimation
21,294
Older Standard (superseded by this standard)
JB/T 4703-2000
Quoted Standard
NB/T 47020; NB/T 47024; NB/T 47025; NB/T 47026; NB/T 47027
Regulation (derived from)
?National Energy Board Announcement 2012 No.9
Issuing agency(ies)
National Energy Administration
Summary
This standard specifies the steel pressure vessel with a long neck welded flange structure type and family size. This standard applies to nominal pressure 0. 6MPa ~ 6. 4MPa, necked welded steel pressure vessel flange temperature of -70��C ~ 450��C. This sta