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HG 20631-1997

Chinese standards (related to): 'HG 20631-1997'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusGoogle Book
HG/T 20631-2009English85 Add to Cart 0--10 minutes. Auto immediate delivery. Spiral wound gaskets for use with steel pipe flanges (Class designated) HG/T 20631-2009 Valid HGT 20631-2009
HG 20631-1997English1439 Add to Cart Days<=9 (Steel pipe flanges with spiral wound gasket (American System)) HG 20631-1997 Obsolete HG 20631-1997

Standard ID HG 20631-1997 (HG20631-1997)
Description (Translated English) (Steel pipe flanges with spiral wound gasket (American System))
Sector / Industry Chemical Industry Industry Standard
Classification of Chinese Standard J15
Classification of International Standard 23.040.60
Word Count Estimation 36,338
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Older Standard (superseded by this standard) HGJ 44��76-1991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 7483-1991, NEQ
Regulation (derived from) Industry-Science [2009] No. 27