Size:20~63mm Color: white, green, blue, etc ... 0Mpa), S2.5(PN2.5Mpa).3. Connection: Hot Welding.4. Size: 20~63mm. 5. Color: White / Grey / OEM6. ... toxic, no heavy metal additives, directly apply to the water supply system.2. Corrosion resistant, not scaling, no ... 2. Transport and discharge for industrial water and chemicals.3. Piping system for purified water and drinking water.4. Production line system ...