How to change the tube
Replacement of the water supply pipes - one of the most sought-sanitary services, which is very expensive. This work, of course, the volume and dirty, but it can be done independently, without recourse to experts.
Instruction how to change the tube
There are several types of pipes used in the laying of water pipe systems, heating and sanitation: steel, cast iron, copper, plastic and metal. Low thermal conductivity and low density tubes and pleasant appearance make plastic systems are most popular. Plastic pipes are fairly simple to assemble and install. They can be simply glued together, and such a compound can be stronger than the pipe itself. The connection elements produced by "cold welding" with an aggressive adhesive dissolves the substance on the surface of the parts. Upon contact materials bonded elements mix and solidify to form a coherent whole. Also, the pipeline installation of plastic elements in practice is carried out by the socket connection or using polifuzionnoy resistance welding.
To get started, develop a schematic plan of the future pipeline until you have dismantled the old pipe. Consider whether it is possible to lay new pipes more efficiently, with fewer joints. Consider each node: the location of the crane, place the connection of flexible hoses to the toilet and sink, a bath or a soul and a washing machine.
If you plan to install water meters, it is better to do it in conjunction with the installation of your pipes. You might want to install a separate valve for each item to completely turn off all the water in case of leakage. Although, as a rule, one stop valve is set to one for the cold and hot water.
Before starting work, you must turn off the water. Then, cut the old pipe. Prepare plastic. Cut them to the desired length with special scissors or an ordinary hacksaw. Pipes should be cut perpendicular to their axis. Remove the cut edges of all burrs using scraper or regular sandpaper.
Before gluing it is necessary to check how the two mating parts fit together. The main thing is that the pipe belonged to 2/3 jack of the connecting element is free, and then - with the resistance.
Both bonding surfaces clean cloth dampened with a cleaner that comes with adhesive. It allows you to soften and degrease the joint. Pipes and fittings must be clean and dry before applying the adhesive.
Moisten a special swab attached to the lid of the jar with the glue, and lubricate the mating part. On the tube, place a thick layer of adhesive, with the fitting grease with a thin layer. Immediately place the tube into the fitting socket up to the stop and turn it to distribute the adhesive. Immediately remove the excess. After about an hour the compound can be subjected to load.
Plastic pipes attach to the elements of design with the appropriate diameter grabs. Installation is completed.