... from a oxygen cylinder or tank. A oxygen flow control regulator is a pressure-reducing device, which lowers the ... uses an advanced, patented Intelliflo disc to regulate oxygen flow down to 1/32 LPM with very tight tolerances ... Tank Regulator. Specifications:Dimensions CGA540: L x O.D. => 5.5x 1.25" (140x 32mm)Weight CGA540: & 20oz ( ... kPa)Flow data: "OFF", 1/32, 1/16. 1/8, 1/4, 1/2, 1, 1.5, 2, 2.5, 3 ...