ASME B16.38-1985 (R2005)
Large Metallic Valves for Gas Distribution (Manually Operated, Nps-2 1/2 To 12, 125 psig Maximum)
standard by ASME International, 01/01/1985
ASME B32.6M-1984(R1994)
[ Withdrawn ]
Preferred Metric Equivalents of Inch Sizes for Tubular Metal Products other than Pipe
standard by ASME International, 01/01/1984