PPG Cylinder pressure reducer nitrogen 300 bar/ 0-20 bar DIN 477-5, cylinder pressure reducer in pressed brass design, with pressure gauges for cylinder content and working pressure. Oxygen pressure reducer is BAM-tested. Pressure reducer incl. shut-off valve Hose connectionG 1/4", grommet 6 mm Inlet pressure [bar] 300 for use withnitrogen Bottle connection W 30 x 2 (IG) (Ø 15.9/20.1) Pressure control range [bar] 0 - 20 DINDIN 477-5