... instruments ,environmental pretection equipment, power station and etc. Single stage pressure regulator TYPEJA-X1250 JA-W150 Gas servedO2 C3H8 Natural gasMax input ... M22X1.5LH Others regulate valve (optional) Main Characteristics, 1, Single stage construction2, Bonnet: Alunimium3, Body: brass4, Diaphragm: Neoprene