tank valve

Does anyone know where to find a tank valve that has a 1/4" NPT inlet? We have a Scuba Tools H.P. Manager with a Genesis valve that has one. Was wondering if anyone knew of a place to get them or are these special fabrications. All valves I am familiar with have a snorkel on them.

Is it correct to assume that all tank valves can be turned into DIN-compat by removing the inserts in the middle? Have you ever seen any tank that cannot accept a DIN reg? (If you have, please share your country/region, if possible) Thanks. Edit: I'm asking because I've got a DIN reg and I'm...

Hello! This is a combination for-sale and what-is-this post. I purchased a pair of PST steel LP tanks (I think they're LP120s!) with a pair of interesting valves. I was told that they are 'Scuba Pro Gas Guage Valves'. I've never heard of or seen anything like these. Notice the strip on...