... and so on 2.Cu%:54-58% 3.Thread standard:ISO,DIN,etc 4.Thread type:G,R,NPT,BSP 5.Nickel plated ... not scaling, no rust, anti-bacterial.3. Light weight, high strength and high impact strength.4. Convenient installation, reliable, recycled, environmental protection ... discharge for industrial water and chemicals.3. Piping system for purified water and drinking water.4. Production line system of beverage ...