How to combine plastic pipes without soldering. Connection of polypropylene pipes - different technologies for your convenience Connection of PP pipes coupling

When the device of communication systems, you have to join the individual elements, however, this process can be performed in completely different ways. Separate attention deserves the connection of plastic pipes without soldering, because in this case it is possible to do without the use of a special apparatus, the price of which is quite high.

Docking with fittings

With this option, a set of shaped parts is used, allowing you to combine not only two, but also more elements. To learn how to connect plastic pipes in this way, wants each developer who does not have a soldering machine at its disposal.

Advantages of the method

  • The low cost of fittings makes it possible to reduce the costs of summing up communications.
  • The simplicity of installation makes it possible to dock even unprofessionals.
  • The possibility of using parts in pressure pressure systems is expanding the scope of application.

Note! It should be borne in mind that this method is applicable to elements with a small diameter, and in other situations, it is more often used that docking with thermal effects.

Conducting work

It's time to understand how plastic pipes are connected directly by crimp fittings. From the tools you will need: a sharp knife for circumcision of elements, a calibrator, as well as manual or automatic ticks for the implementation of the clamping operation.

First of all, it is filled with composite parts of the communication system, if required in a particular case. The incision must be made strictly perpendicular to the uniforms and other flaws. After that, with the help of the calibrator, ovality is eliminated.

A special coupling is thrown out, and the fitting itself is inserted into the pipe with sealing rings. From above, crimping cooked tongs is carried out. Thus, it is possible to docile plastic elements.

However, in some cases it is required to know how to combine the plastic pipe with the cast iron. For this, a special adapter is used, the diameter of the sides of which corresponds to the size of the pipes used. In the process of docking, it is necessary to remember that the coefficients of linear expansion of plastic and cast iron differ significantly.

Bonding individual elements

In addition to the above-mentioned version, there are other methods for connecting plastic pipes. One of these is the gluing process when the ends of the components are joined using a special chemical composition. During the work, it is possible to provide sufficient tightness.

Principle of action of the composition

The glue, intended for plastic products, typically has a polyvinyl chloride, soluble in methyl ethyl ketone, tetrahydrofuran and cyclohesanone. Special additives that improve adhesion are also added to the two-component compounds.

Advantages of adhesive method

  • High-quality clutch Chemical agents with surfaces of elements allows you to get high tightness.
  • Availability The main material makes it possible to apply it to a wide circle of consumers.
  • Uniability of junction It has a positive effect on the aesthetic perception of the components of the communication system.

Attention! The glue must be stored at a sufficient distance from an open flame, as it lights easily. In addition, when working it is necessary to protect the skin from the ingress of substances.

Application

You can make gluing with your own hands. Works should be carried out at a temperature of +5 to +35 degrees. You need to prepare a brush with natural bristles in advance. In most cases, it comes directly with adhesive composition.

Before starting the basic actions, it is advisable to assemble the design without the use of a chemical tool to perform a pre-fitting. Before applying the substance, the surface degreasing is mandatory using solvents.

A thin layer of glue is applied to the prepared surfaces. The product made of plastic is inserted into the hole until it stops, while you need to avoid rotation or other manipulations. For 15-20 seconds, the component parts are holding, so that the adhesive substance can dry.

Podle in Poll.

The presented method is applied mainly for, as pressure is not created in them. At the ends of the elements used, there are special compounds for plastic pipes - rasters. With their help, fixation itself is performed.

Positive parties technology

  • The relatively high assembly rate guarantees the installation to the maximum deadlines.
  • The absence of the need to purchase additional components allows to reduce costs.
  • The possibility of self-assembly allows you to abandon professional assistance.

Important! For non-pressure systems, this option can be considered quite sealed, because the rubber gasket is inserted into the installation, which at the same time makes it possible to compensate for the mismatch of the connected parts.

Description of the assembly process

Making sure the installation that the rubber ring there is a rubber ring, you need to clean it from various contaminants, then it will be possible to achieve good adhesion. On smooth land

Standard Metal pipes in the past are increasingly replaced by plastic, or rather polypropylene (as well as PVC). And if the welding machine is usually used for the installation, then polymer analogs are mounted using a special soldering iron. However, the latter may not be at hand at the moment when it is necessary to pan one of these pipes. Is there a way out of such a situation? In fact - yes. In addition, here we will look at the soldering of the wires.

  • Installation of water supply systems, drainage and heating;
  • Repair work on heating and water supply systems;
  • The need to connect two wires;
  • Repairing a tent - climbing holes.

Is there an alternative to a professional soldier for polypropylene pipes?

Before disassembling the soldering of wires and awnings, we will stop on the pipes. The device for their welding costs several thousand rubles. They buy it mostly professionals, well, for an ordinary person, this device simply will not pay off. In this regard, it is necessary to look for an alternative, which one can become much more common in ordinary gas burner in ordinary homes.

Such a burner perfectly shows itself both in repair and installation. At the same time, it can be soldered both pipes of a small diameter and quite large analogues. It is used not only to connect pipes, but also as a means of mounting plastic cranes to control the supply of water into the pipeline.

Tips on the compound of polypropylene pipes without a soldering iron

  • The quality of the compound largely depends on the purity and lack of fat on the pipes themselves. Therefore, before working, they are recommended to be deguted and clean from dirt;
  • All pipes, as well as fittings and other parts must be from one manufacturer. So you will be confident that it is necessary to attach the same temperature effect for their compound. Also should not save on quality. Its absence can manifest itself both in the process of soldering and during the subsequent operation;
  • Do not solder in cold conditions. If, for some reason, the room temperature decreased less than +5 degrees, the compound may be fragile;
  • It is recommended to practice on the not necessary cuts of the pipe.

Alternative - PVC Pipe

There are plastic pipes that do not need soldering, as they can be completely glued together. In addition, they have entirelylastic pipe threads that are from the inner and outdoor sides.

In addition, for PVC and CPVC pipes, there is a special cement made on the basis of a solvent. After processing with such a cement, the surface becomes soft and it can be quickly glued.

Polypropylene pipe soldering order

  • Drafting a detailed scheme, marking of turns, the location of the cranes, corners and other elements of the system;
  • Cutting pipes. It is best to take with a reserve of 25 millimeters, which will be fitted for fitting;
  • Pipe and fitting are heated by burner. The temperature is approximately 280 degrees Celsius;
  • The fused elements are kept together before cooling.

Universal way to solder awning

With the arrival of the warm season, the need for awning increases. Having placed on your homeway or taking a small awning on a picnic, you can detect an unpleasant surprise - a hole. Is it worth buying a new awning after that or can I fix the situation somehow?

For soldering, we need a construction hairdryer, on which there will be a special slotting nozzle, as well as a patch with roller. After preliminary cleaning the place of damage and patchwork from dust and fat, it is necessary to put an awning on a flat surface. Having attached a patch to it, we begin to warm up both surfaces with a slit nozzle, along the way fastening the roller. The better you warm up the surface, the better they are getting to each other. But here it is extremely important not to overdo it and do not burn the hole.

Soldering wires without a soldering iron with a soldering tape

Despite the fact that the usual soldering iron is found in our homes much more often than its counterpart for plastic pipes, it can still not be at the right moment when you need to connect two wires. Of course, you can try to twist them and keep the "blue tape", but this option is only temporary. At the same time, connect the wires "forever" can be without a soldering iron.

It will help us in this special soldering tape, which allows you to create a durable polymer layer around the wire, providing a full-fledged connection and isolation of the problem space. Stages of working with this ribbon are as follows:

  • Wiring stripping, which we will connect and their subsequent twist;
  • Removal from the tape of the protective layer and turning around the seat of the twist;
  • Heating a ribbon with an open flame until the melt and uniform coating of the problem space. For this, conventional matches will fit;
  • After cooling the tape, we remove the extra flux. The wire is fully connected and ready for further use.

Wiring with a special paste

The paste is used to connect various metals, such as steel, nickel, copper and others. The reason for such versatility is that this material is based on silver. In general, the paste contains chopped flux, solder and binding components in itself. In the overwhelming majority of cases, this method is used for the spike of small wires. So, if your favorite headphones failed, and there is no soldering iron, then the perfect solution will be the paste. The method of its application is extremely simple:

  • Clean the wires and twist them between themselves;
  • Apply the paste to the place of the twist as much as possible;
  • With the help of a conventional lighter, the paste is heated until its melting and turning into a full-fledged spike;
  • After that, the place must be isolated all the bare parts of the wire. An ideal means for this is a shrink coupling. We put it on the place of the spike, then heating and get reliable insulation.

With polypropylene, it is important to know that high quality when conducting such works can be achieved only when the thickness of the walls of the product is taken into account. Modern technologies allow you to create quite durable and reliable communications from such pipes. They are not subject to corrosion processes, so they found so widespread. You can carry out similar manipulations with one of several ways, but you can classify work in two categories:

  • soldering method;
  • using fittings.

Methods of compounds

If you decide to learn how to connect a polypropylene tube with polypropylene, it is necessary to deal with ways. For example, thin-walled pipes can be connected by carvings. If you need to equip the cold water supply system, the medium temperature in which does not exceed +20 ° C, then it is necessary to use products with marking PN 10. The same applies to work on laying of warm floors, in which the temperature does not exceed +45 ° C.

If it is necessary to arrange the cold water supply system, which will be transported at elevated pressure, you should use pipes with marking Pn 16. This recommendation is relevant for low pressure pipelines. The highest quality connection is welding, it can be used for PN 20 pipes that are able to undergo temperature up to +80 ° C. They have a thicker thicker compared to previous.

The same compound method is suitable for PN 25 - pipes reinforced by aluminum foil, which are designed for central heating and hot water systems. Pipes with this marking will be able to withstand temperatures up to +95 ° C. Connections may be inconsequent when welding is used; And also detachable, in this case a thread is used.

Threaded connection

Before connecting the polypropylene tube with polypropylene, it is necessary to figure out which method is best used. For example, for a threaded connection you need to prepare fittings with thread, because it is impossible to cut the threads on polypropylene products. The connection is carried out using a special tape, which will allow you to make the butt durable and reliable.

Used fittings

If you decide to use the threaded connection, you will need:

  • sweat couplings;
  • triple Cornel;
  • crosses combined;
  • couplings;
  • countries at 90 °;
  • combined coolers;
  • cranes balls;
  • orthodox coolers 45 °;
  • plugs;
  • adapter with outdoor type of thread;
  • water seal;
  • polypropylene fittings with factory carvings.

Welded connection

If you think about how to connect a polypropylene tube with polypropylene, then you can use the welded method. However, it is important to consider that the connection will be delicate. When melting the molecule of one part move to another, diffusion occurs. From heating with the welding electrical apparatus, the parts are organically combined with each other, because they have the same chemical composition.

For work should be prepared:

  • soldering iron;
  • apparatus for welding;
  • polypropylene fittings and pipes;

In addition to the listed tools and materials, it is necessary to prepare a hacksaw or scissors for metal, a roulette, connecting couplings by type of cranes, angles and pipes. It is important to stock fum-ribbon. As for the welding apparatus, it will consist of a heating element and welding nozzles whose diameter varies from 16 to 40 mm.

Once the indicator goes out, you can start work, because it will be a signal that the desired temperature is reached in 260 ° C. It will take about 15 minutes. If there are a minus ambient temperature, then the work on welding needs to be refused. If it is necessary to weld the pipes, the diameter of which is 60 mm, should be used by the field welding method. For a more impressive diameter, a joke welding is suitable, which does not involve the use of additional parts.

For pipes, the diameter of which varies from 16 to 50 millimeters, should be used manual soldering iron. More impressive diameters will be connected to a mechanical welding machine. Pipe ends should be warmly heated with removable sleeves, then only press the elements among themselves, applying small efforts. Such an impact should last a few seconds.

The welding of an electromatite acts as a more successful option compared to the previous method, because the process is controlled by the program. The quality of the junction will be higher, and the need for fixation will disappear. To supply the voltage to the heater inside the coupling, appliances with electrodes are used.

Before connecting two polypropylene pipes with a fusey method, it is necessary to cut the products at right angles.

Next, the master should be labeled to the depth of the crop, to which 2 mm should be added. The connection of the product begins with warming up using a special instrument. After the details are connected to each other. And if polypropylene has an aluminum layer, the compound can be carried out through perforated holes. This allows you to significantly increase the strength of the pipe with the Marking PN 25.

Use of butt welding

Before connecting polypropylene tubes with each other, you should think about which method is best used. It is possible that the butter welding is suitable, which will allow you to combine pipes for external sewage. This approach is relevant if the thickness of the pipe wall exceeds 4 mm.

At the first stage of the welding location should be tied to parallelism. After you need to heat up and ensure accuracy with a centering device. Welding must be accompanied by air ventilation, because polypropylene highlights carbon dioxide and water pair, as well as smoking.

Connection without soldering

Quite often, novice home masters are asked about how to combine polypropylene pipes without soldering. For this purpose, shaped parts are commonly used from the same material as pipes. If the heating system has a fiberglass reinforced line, then other types of products will not fit.

It is necessary to stock polypropylene fittings that are reinforced with fiberglass. As an exception, the case is when there is a need to connect polypropylene with another material. At the same time, threaded elements are used, for example "American". Before connecting polypropylene pipes without a soldering iron, you should ask which shaped parts can be found for sale for the arrangement of water supply and heating systems, among them:

  • Y-shaped;
  • straight;
  • T-shaped.

Use these elements is necessary, given the method of application and position. By type of connection, several varieties of fitting products are distinguished, namely:

  • compression (crimp);
  • welded.

Crimp polypropylene fittings are supplied in the finished form, additionally collect them is not necessary. Crimping fittings have advantages over welded. They conclude:

  • lightness and simplicity of installation;
  • the absence of the need to use welding equipment;
  • the possibility of installing polypropylene fittings under all weather conditions, because they are not afraid of negative temperatures;
  • there is no need to have a special skills in the installation of crimping fittings.

If you think about how to connect polypropylene pipes at home with fittings, then you should familiarize yourself with technology. At the first stage, construction tools are prepared, namely:

  • gas and adjustable keys;
  • screwdrivers;
  • rozhkov keys;
  • sealant;
  • special scissors;
  • truboresis;
  • fatheck seater;
  • caliber.

You might think over the location of the pipes that can be in the wall or on top of it. The scheme should not have rigid corners. Flexibility of products is achieved with the help of a construction dryer. If you decide to use polypropylene pipes for heating, how to connect them, you need to know.

The connection site must be sealing any way convenient for you. You can do it with a fum-tape. The system is then assembled on the principle of the constructor, on the corners and in the location of the flow into several parts, special elements are used by the type of corners and tees.

Conclusion

Now you know how to connect polypropylene tubes with fittings. However, as practice shows, a welded method is more reliable, because in the process there is a diffusion, which ensures the reliability and strength of the system.

Polypropylene pipes have long won great popularity from the consumer. Unlike metal variants, polypropylene pipes are much easier by mass, and methods for connecting such a type of communications do not require work skills with a welding machine and a metal-cutting tool, as in the case of iron pipes.

Features

As with working with any other type of sanitary communications, installation of polypropylene pipes has a number of features.

  • With butt welding, the walls should not be thicker than 4 mm. The connecting surfaces must be unfit, while the strict parallelism of the connected elements must be observed. When docking, it is recommended to use special guides.
  • Since the cutting of the thread on the polypropylene tube cannot be done, threaded fittings are used for a threaded docking, and the compactor and the Teflon tape are used for the tightness.
  • When welding polypropylene pipes, it is necessary to air the room. At a negative temperature in the room, a similar type of work cannot be carried out, since docking with insufficient heating of the elements does not guarantee the tightness of the connection.

  • When welding with polypropylene tubes, you need to heat the soldering iron to the desired temperature and install it on the stand. When working, security should be followed, as we are talking about a high temperature of 260 C.

For a high-quality connection of the elements, it is necessary to withstand the melting time, which is required for a certain pipe diameter.

Below are the values \u200b\u200bof diameters and time intervals.

  • 16 mm - 5 seconds;
  • 20 mm - 6 seconds;
  • 25 mm - 7 seconds;
  • 32 mm - 8 seconds;
  • 40 mm - 12 seconds;
  • 50 mm - 24 seconds;
  • 63 mm - 40 sec.

What is necessary?

For the installation of polypropylene pipes, special tools for cutting and connecting elements will be needed.

The list of tools includes such devices as:

  • truboresis;
  • welding machine;
  • stripping;
  • glue pistol;
  • marker for marking;
  • connecting and roulette.

Truborez For polypropylene pipes, it is better to use professional - such a tool guarantees reliability and perfectly smooth slice, it will not allow the formation of burrs on the cut surface. When choosing a pipeline, it is worth considering such an important parameter as the minimum and maximum pipe diameter. The tool should be selected with the blade only from alloy steel.

Welding machinehand-type should have a thermostat and a stove for heating having holes for installing nozzles. The welding machine needs a paired set of tonglon coating nozzles. It should be chosen from the famous brands that have proven themselves in the market, since the tool of dubious producers during operation can fail, which will stop all the work.

Stripping are manual and in the form of a drill nozzle.

  • For stripping the outer layer, couplings with internal knives are used (shavers). Under the diameter of the pipe that is cleaned, pick up the desired coupling. Also use double-sided couplings that allow working with different diameters. To clean the inner layer of the pipe, take a stripping-alarm in which the knives are inside. The pipe is inserted into the tool and turn several times.
  • Stripping in the form of drill nozzles differ from manual options Only the presence of a rod, which is inserted into the instrument's cartridge.

Adhesive Pistol You can use as an alternative option to other types of compounds. This tool has two advantages: glued seams in reliability are almost not inferior to welded and other connections, and the glue is quickly seized. Such connectors perfectly fasten the shaped parts and other elements.

Methods

There are several ways to connect polypropylene communications. Choose which method to use depends on the variety of PP pipes and their destination.

Cold weldingbased on gluing elements with a special adhesive composition. It is applied to the parts you need to connect. First, the glued surfaces need to be deguted. After applying glue, they will wait for a while and connect the pipe with the desired element. After a short period of time (about 20 minutes), the connection is stabilized and will be reliable.

Connection using steel or cast iron fittings.This method is suitable for pipelines with a small diameter. Usually fittings are installed on bends and branching communications. The fitting includes elements such as the lid, sleeve and clamping ring, which is located in the nest of the product. The pipe is fixed with the finding rings included in the fitting design.

During the compound fittings, you need to observe a step-by-step action plan:

  • the cutting of the pipes must be performed at right angles;
  • it is necessary to eliminate all burrs on the surface connected;
  • then you need to install the nut from the fitting on the pipe and put the clamping ring on it;
  • after that, it is necessary to insert a pipe into the fitting and consolidate the connection with a clamping ring and nut.

Connection using flanges is considered very reliable, withstands large temperatures and high pressure. This method is used in the case when it is necessary to connect polypropylene tubes without resorting to welding. The connection uses bolts that screw into the flange thread.

When connecting the flanges, the following installation rules must be followed:

  • at the site of the pipe connection it is necessary to make a cut, avoiding the appearance of burrs;
  • the gasket that is installed on the slice must have a protrusion of 15 cm;
  • the flange is putting a gasket and connect with another flange installed on another connected pipe;
  • setting the gaskets in such a way that their cross section does not touch bolts;
  • more than one laying on the flange cannot be installed, as it will reduce tightness.

Connection using couplings. For connecting couplings on the pipes, you need to make a thread for their subsequent installation and for the tightness of the connection to wind on it a bit of pacle. The edges connected should be cut and mark the clutch installation location marker. Then you need to apply lubricant on the clutch and install it on the pipe to the previously marked place.

Welding refers to a hot way of compound. This type of compound is one of the most reliable, and its essence lies in the melting of polypropylene with a special apparatus under the action of a temperature of 260 C. The elements are heated to the desired temperature tightly pressed to each other, and after they are cooled, a reliable connection is formed. Time after connecting to the final polymerization of polypropylene will take 20 minutes.

Before proceeding with the connection by welding, you need to remove all irregularities and burrs, and if the pipe has a foil layer, it must be treated with a stripping-coal.

When connected by welding, follow the following sequence of actions:

  • turn on the welding machine and warm it up to a temperature of 260 s;
  • on the connected propylene tubes, you need to wear the apparatus nozzles - it is necessary to do it very quickly;
  • when the welded elements begin to melt, they are taken out of the unit;
  • connect the molten elements with each other by strong pressing for 15 seconds;
  • the connected elements for full grasp need to be polymerized - it is usually about 20 seconds.

Common errors when connected by welding method:

  • displacement of elements during welding at the time of their heating;
  • when docking the elements, they cannot be turned - otherwise, the seam will succeed in unreliable;
  • when welding the cranes, the location of the valves was not taken into account, and they cannot move freely.

PND or PVC pipe can be connected by soldering. This is especially true for polyethylene design.

How to connect?

In the case when you need to connect a polypropylene tube with a metal, you can use a threaded connection method. For this, they will need special fittings, one end of which is smooth, and the second carving under the metal tube is applied. With this form of the connection, the pipe diameter should not be more than 40 mm.

The fitting carving can be both external and internal. The smooth surface located on the reverse side is needed to weld the plastic pipe. For tightness, a linen package, impregnated with oil, is mainly used.

Packs should be added to the maximum of two turns and in the direction of the thread.

Sequence of actions with a threaded method of installation:

  • at right angles, the pipe is produced, its end is lubricated with solidol, and then they bring threads using a thread-cutting tool;
  • from the thread remove the whole chips and seal the joints of the packles;
  • the fitting is screwed onto the pipe thread;
  • the opposite smooth end of the coupling is welded to the polypropylene tube.

Connect polypropylene pipes can be used both by welding and cold. Larger preference is given to the first option, as it is considered the most reliable and durable.

Welded connection

Prior to the start of welding, polypropylene tubes and fittings need to be treated with a degreasing solution, and then give them to dry - only after this procedure can be searched directly to welding. Such preparatory work is necessary for any type of PP pipes with the exception of those reinforced by the foil. The reinforced tube has a slice of cutting with a special cleaner tool (shaward), in which the desired end of the pipe is inserted and turns several times. After stripping the top of the pipe must be deguted.

On the pipe it is necessary to put a marker label, noting the desired distance to press it into the fitting. Then the end of the pipe must be put on Dorn and insert the fitting into the sleefing sleeve. All actions should be done very quickly and clearly. After that, the connected elements are heated strictly allotted time.

After the welded elements are missing, they need to be removed from the nozzles and quickly press the pipe into the fitting. For the connection, some forces are required, since the welded items need to be tight and keep them in such a position for some time. For more than 20 seconds, clamping the connecting elements are not worth it, since this time is quite enough for their durable grasp. After the connection you need to make a cool for a few minutes.

To perform independently installing water pipes from plastic pipes, you do not need a lot of knowledge and experience, since this process does not differ in difficulty. However, to improve the quality of work carried out, it is necessary to familiarize themselves with technology and some nuances of the connection of pipe elements of this type. It is also important to assimilate several lessons describing methods for connecting different types of plastic pipes and the main points of this process.

Methods for connecting pipes from plastic

First, it is worth noting that the plastic pipes include products from the following materials:

  • Polypropylene.
  • Metal plastic.
  • Polyethylene.
  • Polyvinyl chloride.

Each material is inherent in certain properties, therefore, the combination of products is performed in different ways, including the soldering of polypropylene pipes without a soldering iron (read also: ""). For greater awareness, it is worth learn how to connect water pipes from these materials.

Polypropylene products

The polypropylene tube is the most popular material for the water supply. This is explained by the presence of some prefigible points: acceptable price, high strength and long-term operation. Therefore, the study of methods for connecting all types of plastic pipe should be started from this species.

Polypropylene pipes are connected by welding with mandatory use of couplings, corners, tees and other fitting elements. When connecting polypropylene pipes for water supply, it is necessary to purchase pipes and fittings of one manufacturer. Otherwise, even strict adherence to welding technology cannot guarantee complete tightness and quality.


To connect the plumbing polypropylene pipes with your own hands, you need to have the following tools at hand:

  • Special soldering iron. So simply called a welding device with a set of special nozzles that allow connecting pipes of various sections. At the same time, the nozzle is selected individually to each pipe according to its cross section.
  • Stripping. This tool is cut off the reinforcing layer at the ends of the pipes. The stripping is used only for multilayer reinforced pipe products.
  • Truborez. By name, you can determine that the device helps cut polypropylene tubes.
  • Roulette, pencil or marker can also be needed in the process of compounds of polypropylene tube products.


Installation of the water supply system from polypropylene pipes is performed as follows:

  1. Include and warm the welding machine. The device must pass three phases: heating to a certain temperature, shutdown, repeated heating. Mode of operation can be traced through the light indicator (read also: "").
  2. During the heating of the soldering iron, stretch the reinforcing layer in the place where fitting welding will be performed.
  3. From the surface of the connected elements, dust and dirt are cleared and wipes are wipe well. It should be remembered that not the execution of these actions can cause a fragile compound.
  4. The end of one pipe and the connecting element are inserted into the nozzle for heating and withstand a certain period of time. The heating time should be strictly controlled, since long retention leads to the deformation of the elements, and with insufficient heating, the strength of the compound of plastic water pipes is reduced. Therefore, each welding machine is accompanied by a special table, in which the heating time of parts having a certain diameter is indicated.
  5. Preheated elements are pulled out of the nozzles and quickly connect. The connection strength also depends on the speed of action at this stage, so the process must be performed quickly, but neatly. The pipe is inserted into the fitting until it stops, but it should not be deformed. The connected parts should be kept to the complete cooling of the plastic.
  6. A similar method is compounded by all elements of the water supply. To avoid damage to the material, you need to perform actions on unnecessary pipe cutting. The process of welding polypropylene pipes is quite complicated, but after several trial actions can be processed to independent work. From the remnants of the material you can make various homemade from polypropylene pipes that look quite original.

Docking pipes from metalplastic

The connection of metal-plastic pipe products can also be performed with their own hands using one of three ways:

  1. Connection using compression fittings implies the following actions: the end of the pipe is put on the collet, fasten with a compression ring and squeezed by a clamping nut.
  2. The compression of the fittings of the crimp type involves compressing the rings at the end of the fitting by means of a special press.
  3. Docking Push-fittings is a new connection method, which does not require any tools. This method can be a response to the question of how to connect plastic pipes without soldering.


Regardless of the selected methods of connecting metal-plastic pipes, the tools are still worth cooking. In particular, it will take a pipeline, which can be replaced by the usual mounting knife, and the calibrator, which can act as any cylindrical subject of a certain diameter.

The combination of metal-plastic pipes using compression fittings is most popular, which implies the following actions:

  • First, the pipes are cut with a knife or pipe cut, providing a straight corner of the cut line.
  • Cropped ends are treated before connecting pipes, that is, they can calibrate the diameter and remove the champper using the calibrator in both cases.
  • The nut is removed from the fitting and puts on the end of the pipe, there is a compression ring behind it.
  • Now the collet is inserted into the end of the pipe, pre-checking the presence of rubber sealing rings.
  • The clamping ring is thrown onto the collation and tighten the nut on the fitting. It is not necessary to allow strong tightening of the nut, as this leads to damage to the rubber seals (read also: "").


Similarly, the connection of all elements of the water supply system. Such installation is characterized by one dignity: the minimum set of tools for working that happens at any owner. In addition, this is the only option that allows you to get a detachable connection required in some situations.

The connection using crimp fittings is performed in the same order, only the compression ring and the nut is replaced with a crimp ring. It uses a manual or electrical press for its squeezing.

Push fittings make it possible to obtain a combination of metal-plastic pipes much faster than previous ways. To perform work, it is enough to insert the prepared end of the pipe into the connecting part, and all the actions are performed without much effort.


Push fittings can be used to connect pipes from metal plastic and stitched polyethylene.

A connection to any of the listed methods is sealed and reliable, so you need to choose depending on the existing tools and financial capabilities.

Polyethylene pipes can be connected using one of the following options:

  • With the help of compression fittings.
  • Welding through electrical facility.

Compression fittings compression is performed by analogy with metal-plastic pipes, but in a certain sequence:

  • The pipe is cut and remove the chamfer.
  • The clamping nut is put on the pipe.
  • It follows Tsang.
  • Next, in turn it is worn by a stubborn and sealing ring.
  • The pipe is inserted into the fitting housing, shifted on the edge all the details and tighten the nut.


This method is most often used when assembling household irrigation systems in country houses or in the country area.

The combination of metal-plastic pipes in domestic water supply systems is performed using an electric welding. Consequently, to perform work, you need to have a special welding device and an electromotive, having a diameter in accordance with the cross section of the connected elements.


The welding procedure implies the following actions:

  • Preparation of the surface of the connected elements. To do this, a special scraper remove the top layer of pipe products and degrease the purified place.
  • The ends of the connected elements are inserted into the electrical unit, while the junction should be located exactly in its middle.
  • The electrospate joins the welding machine and the helix inside it begin to heat up. As a result, polyethylene begins to melt and weld the edges of the pipe elements.

The device for this type of welding has a very high price, so if its further use is not supposed, it is better to rent a device for a few days than spending a large amount for its disposable use.

Polyvinyl chloride pipe products are connected using a special adhesive composition. However, it is very difficult to call it glue, since when processing this substance of the connected surfaces, plastic melts occurs, and the edges are welded, and not glued. In other words, soldering pipes without a soldering iron.

The process of connecting pipes of their polyvinyl chloride is as follows:

  • Initially, the edges of the connected pipes are cleaned from dust and dirt and dry well.
  • Then from the ends with a chamfer. This action must be performed necessarily that the adhesive composition does not slip off when connecting the elements.
  • next, one end of the pipe is inserted into the fitting to measure its depth. On the tube with a pencil or marker make the appropriate mark.
  • The end of the pipe is treated with adhesive makeup to the mark using a brush. It should not be forgotten that it is impossible to leave glue on the surface for more than 25 seconds.
  • The elements are connected and turn slightly, which is evenly distributed the composition over the entire surface. The glue must dry naturally without any external influences. During the drying of the adhesive composition, air temperature and other factors may affect.


Based on all the above, we can conclude that in most cases the connection of plastic pipes can be performed with their own hands, without having special devices under the arms and do not own special knowledge and skills. The main condition is strictly compliance with technology. It is also important to listen to the advice of professionals. This will help to install the water supply without excess material costs.