tank filling

Here is a gas blending system for those of you that don’t want to build a permanent station at home. This was my last winter project, when I made a movable continuous blending station for Trimix for my small Coltri compressor. I want to use a simple rotameter-based system for blending because...

I have two very nice Bauer CFSII-2SH-ST2H fill stations that I would like to sell for $3000 ea. These do accept most scuba cylinders, that being said, I personally confirmed they DO NOT allow Pressed Steel brand HP steel 300 bar DIN 120's. It is therefore unlikely that they will accept 3442PSI...