If there is a need for the installation of plastic pipes, then the most commonly used for this is the so-called cold welding. This technology involves the use of special-purpose adhesives and fittings.
Pros of using pipe joints without hot soldering
If you are thinking about how to connect a polypropylene pipe with a polypropylene pipe, you can use a method that involves the use of special fittings. This technique has many advantages, among which it is especially possible to single out an increase in the efficiency of the installation of wastewater and water supply systems, a decrease in the possibility of leaks that may occur during butt welding or with a chemical compound. Among other things, the described technology is less time-consuming, and also involves less energy consumption. Among other things, it is associated with less material consumption. Installation work is quite cheap. Using fittings and glue, you can connect pipes of various diameters, which range from 6 to 400 millimeters.
Comparison of cold soldering with mechanical and welded joints
Before connecting a polypropylene pipe to a polypropylene pipe, you should consider all the advantages of the cold brazing method. Thus, this technique, with low material consumption, speed and quality of work, is not inferior to traditional welding. Such gluing technology does not provide for the use of special equipment, which greatly simplifies the manipulation. You don’t have to use a special apparatus designed for welding, which during operation consumes a fairly impressive amount of electricity. Due to this, it is possible to reduce the cost of installation work. If you are faced with the task of how to connect a polypropylene pipe with a polypropylene pipe, then it is worth comparing the adhesive connection with fittings and the mechanical coupling of the elements. The latest technology is not so energy consuming, but more material intensive. This is due to the need to purchase additional fittings, which leads to more expensive work.
Features of joining with fittings and glue
If you do not know how to connect a polypropylene pipe with a polypropylene pipe, then it is important to familiarize yourself with cold welding technology . To do this, you have to use glue, which is designed to connect pipes to parts by type of fittings. The latter are most often made from chlorinated polyvinyl chloride. Glue after application begins to dissolve the surface of the parts to 1/3 of the thickness. This allows for diffusion cold welding. This process is affected by temperature and humidity. Before connecting polypropylene pipes using cold welding and fittings, make sure that the ambient temperature is in the range of 5 to 35 degrees. If there is a need for installation work at temperatures below zero, then you should purchase a frost-resistant adhesive, which can be applied until the mark of the thermometer drops to -18 degrees. If the work is carried out in hot weather, then gluing should be done in a much shorter time, which will exclude the possibility of the composition drying out before the manipulations are completed. Before connecting polypropylene pipes using the described technology, you must make sure that the glue has a uniform consistency, sufficient fluidity and does not have foreign impurities.
In between work, containers with adhesive must be closed as tightly as possible, which eliminates the evaporation of volatile active components.
Pipe connection technology with fittings and glue
If you decide to use the cold connection method, then you need to use the technology described below. At the first stage, it is necessary to cut off part of the pipe so that it is possible to obtain an element of the required length. Why it is recommended to use a pipe cutter, special scissors or a hacksaw for metal, the last of which has quite small teeth.
If you are thinking about how to properly connect polypropylene pipes, then at the next stage the bevel is removed at the end of the product, and it is important to observe an angle of 15 degrees. In the process of carrying out these manipulations, a chamfer is used; it is important to exclude the formation of burrs. The next step will be a thorough cleaning of the socket of the fitting, as well as the pipe from dust, dirt and moisture.
Wizard tip
In order to achieve effective cleaning of the connected elements, it is necessary to use cleaners designed for pipes made of CPVC. With the help of this composition it will be possible to prepare the surfaces well enough for further bonding.
The nuances of the work
If you are faced with the task of how to connect polypropylene pipes without a soldering iron, then at the next stage you can apply glue. In this case, you need to use a brush, carefully distributing the composition on the surface of the bell and pipe. Elements are inserted into each other, for uniform distribution of the composition, you need to rotate the fitting 90 degrees relative to the pipe. Details are fixed for 30 seconds, during which it is not necessary to carry out repeated rotation. The whole process is important to complete within 1 minute. If you are thinking about how to connect polypropylene pipes without soldering, then after gluing is completed, you need to check for the presence of a roller, which is a uniform adhesive layer located around the circumference. You may need to get rid of excess glue using a soft cloth.
Why you should use the cold method of joining plastic pipes
Before connecting the polypropylene pipes with fittings, you need to weigh all the positive negative sides of the rest of the technologies. If we are talking about the glue connection, which was described above, then it is worth highlighting the advantages, consisting in the possibility of high-quality installation of pipes even in places where access is especially difficult. The master will not have to use additional expensive equipment that can consume a large amount of electricity during operation. The whole process is possible to carry out independently, without resorting to the help of professional companies. In the process of bonding parts, a monolithic type structure is formed, which ensures the tightness of the joint. If you decide to use glue cold welding, then, unlike usual, on the inner surface of the product will not form sagging that can narrow the lumen and contribute to the sedimentation of solid particles.
Conclusion
If you observe the connection of polypropylene pipes to each other, observing the above simple rules and recommendations, then leaks and sagging of the pipeline will be excluded. The service life of a pipeline mounted by a similar technique can reach 50 years.