Let me clarify my question. I can see where my request was misleading and thanks metengr for the lead to the website. I am trying to find information on the metal requirements for those cylinder valves for manufacturing purposes. Specifically regarding the trace lead usually found in brass. I am...
Gentleman and Ladies. I am not a professional to your degree but need some direction. I only put Marine/Ocean as my profession because I don't fit into another category. I am a Firefighter/Paramedic by profession. I am overseas trying to have a valve made for both SCUBA cylinders and home use...