Note PPR pipe installation branch

Note PPR pipe installation branch
PPR pipe fittings branch installation can be divided into surface mounted and concealed, installed is prefabricated pipe riser from left port section by section to install a valve stop valve handle should be dismounted and installed according to the length of the pipeline, appropriate to add temporary fixed card, water supply and sanitary appliances of different pre approved leave height the position is correct, and is planted after leveling branch card, remove the temporary fixed card, on the temporary plugging.
After the branch concealed in determining the branch height after the draw line positioning, from pipe prefabricated pipe will be deposited in the groove, leveling fixed alignment positioning with hook nail, hot and cold water sanitary appliances reserved port to do in the open, with good. After the piping system is installed, the comprehensive water pressure test should be carried out. The water pressure test on clean air, filled with water after the pressure, when the pressure rose to the requirements for inspection, stop the pressure, if the interface and the valves are no leakage, until the specified time, observe the pressure drop within the allowable range, notify the relevant personnel acceptance procedures.
Pay attention to the pipeline in the pressure test is completed, it can be done after washing, rinse application running water in a row, should ensure that there is sufficient flow, after washing clean for acceptance procedures.

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