... 6MPa 4. Colors: Blue, black 5. Connection: Socket fusion joint, butt fusion joint, electro fusion joint or transition joint 6. Certification: ISO9001: 2000, ... cost(33% less).12).Easy maintenance.13).Butt joint connection 2).Firmly fixed in piping system 3).Used ... ,Flange model ripple compensator),Plastic reparing joint, Steel anti-errosion repairing joint)6.Welding Equipment Series7.PE components for ...