THE PIPE'S PRESURE INCLUDE: 0.6MPa, 1.0MPa, 1.25MPa, 1. ... , LIGHT GREY,DARK GREY AND SO ON. PVC PIPES FOR WATER SUPPLYTHE PIPE'S PRESURE INCLUDE: 0.6MPa, 1.0MPa, 1.25MPa ... SO ON.Advantages:1) Healthy, bacteriological neutral, conforming to drinking water standards2) Resistant to high temperatures, good impact strength3) Convenient and ...