API STD 590:1985(R1995)
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Steel Line Blanks
06-28-2021
01-01-1995
This standard provides dimensions for operating line blanks (or"blinds") in sizes NPS ½ through NPS 24 for installation between ANSI B16.5 flanges in the 150, 300, 600, 900, 1500, and 2500 pound pressure classes.
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