Before installing threaded rubber joints, the pipe to be connected should be put on a flat horizontal surface. While being installed, rubber joints should be screwed onto the threaded section of the pipe, then twist the other end to the tube, and always maintaining on horizontal surface to prevent discontinuity during the installation tearing rubber ball. Next tighten the threaded by hand or wrench, finally rubber joints and threaded both ends of fittings are fixed at the object not easy to stretch or distort.
