... , Brass 3, Metal-metal diaphragm. 4, Stable delivery pressure effect He pressure regulator TypeInput pressureOutput pressureFlow rateYQJ/YQJF-115Mpa0.45Mpa0.6m3 ... non- corrosive Gases such as H2,O2,N2,CO,CH4,HE,NE,AR and etcYQJF series for corrosive Gases such as ...