Jan 13, 2008 #1 StevenWin Mechanical Joined Dec 28, 2007 Messages 1 Location CN hi, is there ayy body who know about ASME B16.33, manual gas ball valves? For the gastight test, how much pressure it needs?
hi, is there ayy body who know about ASME B16.33, manual gas ball valves? For the gastight test, how much pressure it needs?