ASME B16.38-2012(R2017) Large Metallic Valves for Gas Distribution: Manually Operated, NPS 2 1/2 (DN 65) to NPS 12 (DN 300), 125 psig (8.6 bar) Maximum
This Standard covers manually operated metallic valves in sizes 2 ½ (DN 65) through 12 (DN 300) intended for controlling the flow of gas and for use in distribution and service lines.