Dresser coupling joint is an invaluable tool in the system piping network is used in piping networks that are disconnected from both directions, to continue the installation of the pipe, because of his instrument is inserted, it could  becalled a coupling sleeve joint, because the sleeve means inserts, to repair a pipeline leak that is how the pipeline existing leaking cut with a predetermined distance before the water flow in existing pipe is turned off by opening the first branch exhaust or commonly referred to in terms BLOW OFF piping located on the bridge pipes after the water pressure is decreased then the pipe is cut if the existing pipes in the ground then it should be first explored the size needed and other equipment including equipment work and so on until completed, the instrument dial is also placed on the location of a narrow, raw materials DRESSER COUPLING made of steel, a material DCIP/CIP,seal it from the material EPDM, bolt and nut of iron materials in galvaniz, its the size of ND 2 inch - ND 20 inch or in accordance with the order, was fabricated his own pipe fittings to the next can contact us at : http://tajrimapantirta.indonetwork.co.id  and  http://hammasblog.blogspot.com.