... diameter:800mm. 4)Valve:QF-10 Welded Cylinder for liquid chlorine or ammonia:Welded steel gas cylinders are made ... can be refilled with various kinds of low pressure liquid gas such as liquid chlorine, ammonia, Freon, ethylene, alkyl. They ... such as chemical industries, medical, pesticide, metallurgy, paper industry, rubber, plastic, textile, printing and dyeing, food, water purification, light ...