12 Series is a miniature ultra high purity IGS/VCR® pressure reducing regulator. The 12 Series offers 5 Ra or 10 Ra microinch finishes, tied diaphragm and internally springless and threadless design. It provides inlet pressures of 150 psig / 10.3 bar, outlet pressure from 250 mm Hg-15, 30, 60, 100 psig / 250 mm Hg-1.0, 2.1, 4.1, 6.9 bar with flow rates up to 120 SLPM. Ideal for use in OEM tools, gas boxes and low-pressure gas cabinets.