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HG 20621-1997

HG 20621-1997_English: PDF (HG20621-1997)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)Related StandardStatusPDF
HG 20621-1997English1279 Add to Cart 9 days (Loose ring welded steel pipe flanges (American System)) HG 20621-1997 Obsolete HG 20621-1997

Standard ID HG 20621-1997 (HG20621-1997)
Description (Translated English) (Loose ring welded steel pipe flanges (American System))
Sector / Industry Chemical Industry Industry Standard
Classification of Chinese Standard J15
Classification of International Standard 23.040.60
Word Count Estimation 32,386
Date of Issue 1997/11/27
Date of Implementation 1998/2/1
Older Standard (superseded by this standard) HGJ 44��76-1991
Adopted Standard ISO 7005-1-1992, NEQ; ANSI B16.5-1988, NEQ
Regulation (derived from) Industry-Science [2009] No. 27