Specifications:Lightweight and compact in size. Easy installation and storage. Accessory pressure gauge and drain valve ease piping control. SPECIFICATION Body Material:- AluminumWORKING PRESSURE:- 10~15 kgf/cm2 MAXIMUM PRESSURE:- 15~20 kgf/cm2 TEMP.RANGE:-20C~+80C SIZE:- 1/4"(20 type)