Soldering polypropylene pipes without a soldering iron. Ways of connecting plastic water pipes, depending on the material of manufacture How to connect polypropylene pipes yourself without soldering

The ability to assemble pipelines on your own is a definite plus of polypropylene products. Using a convenient and lightweight material, you can build a sewage system with your own hands, repair and modernize a water supply system.

The main thing is to understand the specifics of connecting prefabricated elements to each other. Agree, this is an important part of the work, which is responsible for the tightness of the line and its trouble-free operation.

We offer you detailed information on how to solder polypropylene pipes, what equipment is used in the work, and also list the most common mistakes of novice welders.

The information we offer will help you build trouble-free communications. For visual perception, the article is supplemented with graphical applications and video tutorials.

The soldering process is carried out due to the pronounced thermoplastic properties of the material. Polypropylene softens when heated - it acquires a state similar to plasticine.

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This looks like a soldering iron ("iron") for polypropylene pipes. An uncomplicated electrical device, semi-automatic, thanks to which the plastic is soldered

For butt welding, the designs of soldering machines are of increased complexity. Usually, such equipment includes not only a heating element, but also a system for centering the parts to be welded.

As a rule, direct welding equipment, like the technology itself, is rarely used in the domestic sphere. The priority of use is industry.

A more sophisticated device, with the help of which accurate centering of the parts to be welded is performed with a further heating and soldering process. Used with direct welding technology

In addition to soldering irons, the master will also need:

• scissors -;
• construction tape;
• locksmith's square;
• shaver for pipes with reinforcement;
• marker or pencil;
• surface degreaser.

Since work is performed on high-temperature equipment, it is imperative to wear thick work gloves.

Polypropylene welding procedure

Important warning! Welding work on polymeric materials should be carried out in good ventilation conditions. When polymers are heated and melted, toxic substances are released, which in a certain concentration have a serious effect on human health.

The procedure for welding polypropylene is simple, but it requires precision and accuracy in work. You should also avoid commonplace mistakes such as insufficient or excessive heating.

The first step is to prepare for work:

1. Place blanks of the required diameter on the heater plate.
2. Set the regulator to 260 ° C.
3. Prepare mating parts - mark, chamfer, degrease.
4. Switch on the soldering station.
5. Wait until the operating temperature is reached - the green indicator turns on.

Attach the mating parts (pipe - coupling) to the soldering station blanks at the same time. In this case, the polypropylene pipe is pushed into the inner area of \u200b\u200bone blank, and the sleeve (or socket of the shaped part) onto the outer surface of the other blank.

Usually the ends of the pipe are inserted along the border of the previously marked line, and the sleeve is pushed on until it stops. Withstanding polypropylene parts on heated blanks, one should remember an important nuance of technology - exposure time.

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Conclusions and useful video on the topic

Professionals always have a lot to learn. How to work with polypropylene can be seen in the following video:

Installing polymer pipelines by hot soldering is a convenient and popular technique. It is successfully used in the installation of communications, including at the household level.

This welding method can be used by people without experience. The main thing is to correctly understand the technology and ensure its exact implementation. And technological equipment can be bought or rented.

Do you have experience in soldering polypropylene pipes? Please share information with our readers. You can leave comments and ask questions on the topic in the form below.

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

• Installation of water supply, sewerage and heating systems;
• Repair work on heating and water supply systems;
• The need to connect two wires;
• Awning repair - patching holes.

Is there an alternative to a professional soldering iron for polypropylene pipes?

Before disassembling the soldering of wires and awnings, let's dwell on pipes. The device for welding them costs several thousand rubles. Mostly professionals buy it for themselves, but for an ordinary person this device simply will not pay off. In this regard, we have to look for an alternative option, which can become a much more common gas burner in ordinary houses.

Such a burner shows itself perfectly both in repair and installation. At the same time, it can be soldered both small-diameter pipes and rather large analogs. It is used not only for connecting pipes, but also as a means of installing plastic taps to control the water supply to the pipeline.

Tips for joining polypropylene pipes without a soldering iron

• The quality of the connection largely depends on the cleanliness and absence of grease on the pipes themselves. Therefore, before work, it is recommended to degrease and clean them from dirt;
• All pipes, as well as fittings and other parts must be from the same manufacturer. So you can be sure that the same temperature effect must be applied to connect them. In addition, you shouldn't skimp on quality. Its absence can manifest itself both during the soldering process and during subsequent operation;
• Do not solder in cold conditions. If, for some reason, the room temperature has dropped by less than +5 degrees, the connection may be fragile;
• It is recommended to practice on unnecessary pipe sections.

Alternative - PVC pipes

There are plastic pipes that do not need soldering, since they can be glued together. In addition, they have all-plastic pipe threads on the inside and outside.

In addition, there is a special solvent-based cement for PVC and CPVC pipes. After processing with such cement, the surface becomes soft and can be quickly glued.

The procedure for soldering polypropylene pipes

• Drawing up a detailed diagram, marking of places of turns, the location of cranes, corners and other elements of the system;
• Cutting pipes. It is best to take with a margin of 25 millimeters, which will be fused onto the fitting;
• The pipe and fitting are heated with a burner. The temperature is approximately 280 degrees Celsius;
• The fused elements are held together until they cool.

The universal way to solder the awning

With the arrival of the warm season, the need for awnings increases. Putting on your local area or taking a small tent for a picnic, you may find an unpleasant surprise - a hole. Is it worth buying a new awning after that, or can the situation be somehow corrected?

For soldering, we need a hair dryer, which will have a special crevice nozzle, as well as a patch with a roller. After preliminary cleaning of the damaged area and patch from dust and grease, it is necessary to put the awning on a flat surface. Having applied a patch to it, we begin to warm up both surfaces using a slotted nozzle, simultaneously fastening with a roller. The better you heat the surfaces, the better they will stick to each other. But here it is extremely important not to overdo it and not burn a hole.

Soldering wires without a soldering iron using a soldering tape

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

A special soldering tape will help us in this, which allows us to create a strong polymer layer around the wire, providing a full connection and isolation of the problem area. The stages of working with this tape are as follows:

• Stripping the wires that we will connect and their subsequent twisting;
• Removing the protective layer from the tape and wrapping around the twist;
• Heating the tape with an open flame until it melts and evenly covers the problem area. For this, ordinary matches are suitable;
• After the tape has cooled, remove the excess flux. The wire is fully connected and ready for further use.

Welding wires with a special paste

The paste is used to join various metals such as steel, nickel, copper and others. The reason for this versatility is that this material is made on the basis of silver. In general, the paste contains flux, solder and binding components crushed to a powder state. In the vast majority of cases, this method is used to solder small wires. So, if your favorite headphones are out of order, and there is no soldering iron at hand, then paste will be the ideal solution. The way to use it is extremely simple:

• We clean the wires and twist them together;
• Apply the paste to the twist site as evenly as possible;
• Using a conventional lighter, the paste is heated until it melts and turns into a full-fledged solder;
• After this, the place must be insulated with all exposed parts of the wire. The ideal tool for this is a shrink sleeve. We put it on the place of the adhesion, after which we heat it up and get reliable insulation.

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The installation of a polypropylene pipeline is so simple that you can easily carry it out even in between watching your favorite television programs or series. The main thing is to adhere to some general rules and understand the basic principles of connecting plastic pipes... All this I will tell you based on my own experience.

Installation work

Starting to work with polypropylene pipes, I first of all remembered their main qualities:

• The low price allowed me without much abuse of the family budget purchase all the necessary plastic products, including connecting fittings, with a certain margin... After all, even with the appropriate experience, no one is immune from making mistakes, and it is better to have replacement parts on hand in case of an unsuccessful operation, and not to run after them to the store, leaving the unfinished pipeline and the overlooked series;

• Simple join instruction including hot and cold methods. But simplicity does not preclude the need for availability of special tools for each of the options. Next, I will describe in detail both the one and the other, since I used both soldering and crimp fittings in different areas. It's better for you to decide in advance in order to take care of the availability of the appropriate equipment. You can do this immediately after reading the article;
• No corrosive processes... The plastic surface is not subject to internal corrosion, which can be caused by the transported liquid, or external, which usually appears after laying the pipeline in the ground. Thus, laying the underground water supply system, I knew that it would last for decades, but only taking into account the quality and absolute connections.

If you plan to use polypropylene pipes for the installation of a heating system, then I recommend purchasing reinforced samples that can withstand high temperatures, which will eliminate the risk of an emergency.

Based on the foregoing, I purchased materials with a margin, took out the necessary tools and prepared to make high-quality connections that can be left unattended for many years.

Hot method

Where I planned to lower the water supply line underground, I did not doubt at all with the choice of the connection method: only soldering. The melting point of propylene is only 260 degrees Celsius, and after solidification completely sealed seams... In addition, the process itself is fast enough. The impossibility of dismantling in this case did not bother me at all.

Welding is also excellent for indoor piping. An exception may be only those areas where pipe disassembly is required, or a situation in which it is not at all possible to get a pipe soldering iron.

If you have a one-time installation planned, then it is not necessary to purchase an expensive welding machine for plastic pipes; it would be more rational to rent it.

Before joining polypropylene pipes by the "hot" method, in addition to the "iron", I also prepared the following tools:

Now I will describe to you in detail how polypropylene pipes are connected, you really will have time to carry out the installation of small sections during the period of scrolling commercials on TV:

If this is your first time soldering plastic pipes, I recommend that you first practice on a couple of products that will not be included in the installed system.
So you will "get your hand" and will be able to avoid typical mistakes when performing "finishing" work.

1. Training:

• I AM took out a soldering iron from a suitcasein which he was, and placed it on a level and stable oak table... You can put the device on the floor or on the asphalt, the main thing is that it has a secure position, because you have to deal with high temperatures;

• Then inserted nozzles corresponding to the diameters of the soldered elements... In this case, a product is installed under the pipe in the form of a kind of "bowl" that grabs its edge from the outside, and under the pipe-like element that enters it and melts from the inside;

• Turned on the device... If your device has a power regulator, then set it to 260-270 degrees Celsius. If this is not the case, then the unit will heat up to the specified temperature automatically;

1. Markup. Here I have already moved on to work with the pipes themselves. With a tape measure and a pencil marked the necessary sections for the formation of the pipeline... In addition, he measured the depth of the heating elements and, adding a couple of millimeters, applied it to the soldering points. This can be done after cutting the products. This technique will help you control the immersion of the edge of the segment in the nozzle, since excessive melting can lead to the formation of a bulge at the seam, preventing the passage of liquid;

1. Cutting. The main thing here is to observe a right angle. Thanks to some experience, I have no problems with this, that is, raised the scissors to the line and made a clear cut in one smooth, strong movement... Also try to cut it without worrying and with the proper effort. Otherwise, if you make oblique cuts, you will have to level them with a hacksaw or knife. It is also worth noting that when using reinforced pipes, you must first remove the top layer of plastic and the foil laid under it with a shaver;

1. Heat. At this stage I i put the prepared coupling on the mandrel, and inserted the pipe section with some delay into the sleeve-nozzle... Why late? Because the walls of the connecting element are thicker and melt, respectively, they will take longer, that is, the handicap will not interfere with them. Keep the same products in this position, guided by the following table:

1. Docking. After the above time has passed, I removed both fragments with molten edges from the welder and connected, again, strictly at a right angle, after which he held the time indicated in the following table:

In no case do not rotate the products to be joined at the moment of solidification, as this can provoke a violation of the seam tightness.

1. Control. I ran water through the finished pipeline and checked all joints for leaks... If you suddenly find one in yourself, then cut out the problem area and weld a new segment in its place.

Cold method

Compression fittings allow you to connect polypropylene pipes without soldering. All you need besides the connecting elements themselves is crimp wrench, which is usually sold with them.

The very process of connecting pipes in a "cold" way, I performed as follows, when I did not have an "iron" at hand, and it was necessary to restore the damaged section of the water supply urgently:

1. Measured and cut off the required pipe fragment;

1. Calibrated hole... It is very important that its cross section fits perfectly to the diameter of the fitting tail;

1. Put it on the edge of the pipe crimp;

1. Then I inserted the fitting itself inside;

1. Compressed the clutch with a special key, fixing it securely on the pipe;

1. I checked the coupling for characteristic grooves, indicating a good connection.

The described method also well solves the problem of how to connect a metal pipe with a polypropylene one. To do this, simply select the appropriate compression fitting, at which one of the ends is equipped with a metal thread of the required pitch and diameter.

If you have a question: "How to connect a HDPE pipe with a polypropylene pipe?" Then again, you can turn to compression fittings, since welding here, most likely, will not cope due to the significant difference in the melting temperatures of these materials. At least I wouldn't risk it.

And a little "fly in the ointment with honey": despite some versatility of the "cold" method of connection, it takes much more time to implement. So, if you have to install a long pipeline, then during the advertising on TV you may not have time to cope with the task.

Conclusion

A little practice and following the above recommendations will allow you to lay water supply lines from polypropylene pipes, practically without stopping from watching your favorite series and TV programs. The main thing is to be careful and careful, as a mistake made will take much more time to correct itself than timely control of the work being done.

The video in this article will allow you to familiarize yourself with a certain amount of additional information, which is similar in content to the material presented. If you have any additional questions on the topic, ask them in the comments.

If you want to express gratitude, add clarification or objection, ask the author something - add a comment or say thank you!

Polypropylene pipes are used for the installation of water supply systems, for the installation of irrigation systems and for heating. The popularity of the material and various areas of use are due to its characteristics: strength, durability, ease of connection. An important argument in favor of polypropylene pipes was their price, which is significantly lower than that of metal-plastic or metal counterparts.

The service life of a plastic pipeline with cold water is 50 years, such an impressive figure makes it necessary to replace outdated lines with just this type of highways. The tightness of the joints is the most important factor for any pipeline, therefore the viability of the system depends on the quality of the installation. In the article we will talk about how to connect polypropylene pipes with metal, polyethylene, steel, and also consider various welding options.

Materials and tools

If you decide to save on installation services and perform it yourself, then you need to buy or rent a special soldering iron with nozzles. In addition to him you will need:

• tape measure and marker for marking;
• scissors for cutting plastic pipes;
• stripping for pipes.

There are several types of polypropylene pipes that differ in the area of \u200b\u200buse:

1. PN 10, 16 - used for laying cold water pipes;
2. PN 20 - universal pipes with thick walls, they are able to withstand hot water up to 80ºC, therefore they are suitable for heating installation;
3. PN 25 is a composite pipe with a metal or nylon interlayer, which is peeled off when brazed. It is used for heating systems, the final heating temperature is 95 ° C.

A distinctive feature of the connection of polypropylene pipes is the absence of joints directly between the pipes. If their diameter is less than 50 mm, all parts can be connected with fittings for various purposes:

• couplings - connect sections of the same diameter;
• crosses - used to create branches;
• plugs - seal the end of the pipe;
• adapters - are used to connect pipes of various diameters;
• choke fittings - connect to flexible hoses.

How to work with a welding machine

The principle of connecting the pipeline is to heat the elements and quickly connect them. Household pipe welding machines have a power of up to 1 kW. It is enough to quickly and efficiently heat the material, but more powerful and expensive devices are used for industrial purposes. The soldering iron comes with nozzles that match the diameter of various pipes. Heating of the pipe takes place from the outside, and the fitting from the inside.

The work of the soldering iron begins with turning on the network and setting the desired heating temperature, depending on the diameter of the plastic pipes being welded. The average value is 250–270 ° C. Such a high temperature requires caution, touching a hot part will cause a burn, for safety reasons it is worth wearing gloves.

Soldering process

A hacksaw or sharp scissors are used to cut pipes, which do not deform the plastic. The incision is made at a right angle. If burrs appear on the end, they are carefully cleaned off. After cutting, the soldering depth is marked. You need to measure the section of the pipe that will enter the tee or coupling, and put a line with a marker. The value of this section depends on the diameter of the pipes; the larger it is, the greater the immersion in the connecting element.

If you have to work with reinforced pipes, the procedure changes. Before soldering, it is necessary to clean the upper layer of the pipe, consisting of aluminum foil, basalt or nylon fiber. A special tool is designed to remove the desired layer size.

Thorough removal of the foil is very important, a small amount of material on the pipe will spoil the tightness of the soldering.

The soldering iron with nozzles matched to the pipe diameter is installed on a flat and solid surface. From both sides, a pipe and a fitting are simultaneously put on the heated nozzle, deepening to the intended line. The heating time of the plastic depends on the size of the pipes: 6 seconds are enough for 20 mm, and 8 seconds for 32 mm. Having withstood a set period of time, the elements are removed and firmly fixed into each other, while rotational movements cannot be made. For a strong adhesion of the joint, it will take from 4 to 10 seconds, during which time the polypropylene will harden and form a permanent connection.

Failure to comply with the recommended heating time leads to the formation of leaks - in case of insufficient heating or sealing of the interior space - in case of excessive overheating. You should not try to remove the sag that has appeared immediately; the molten plastic is more deformed in this case. It is necessary to wait until it cools down and cut off the excess.

Without experience, in order to understand how to properly solder pipes, several training joints can be made. It is convenient to work with short connections by placing the welding machine on a table, in this position you can do all possible work, and connecting to a partially laid line is more difficult. The soldering iron nozzle is put on the fixed polypropylene pipe, and the tee is inserted into the second part, while the apparatus is kept on weight. When executing the trunk, you need to monitor the order of the connections. Try to avoid docking in hard-to-reach places where it will be difficult to use the soldering iron.

It is important to keep the material clean and dry because dirt and moisture will reduce the quality of the pipe connection. Even a small amount of moisture deforms the material when heated. The chemical composition of pipes from different manufacturers may not coincide, this will lead to a leaky joint. All material - pipes and fittings - must be purchased from a single source.

The temperature in the room where polypropylene is installed must not fall below + 5 ° C.

Crimp connection method

The docking of the pipeline by the soldering method is reliable and durable, it is impossible to disassemble it, and sometimes this is what is required for repair. In addition, it is not always possible to purchase or lend a welding machine; in such cases, they use the method of connecting polypropylene pipes without soldering. For this, fittings with a thread and a pressure ring are used. They are called collet or crimp, such a connection is able to withstand a pressure of sixteen atmospheres.

For a mechanical connection, it is necessary to purchase several additional parts: elbows designed for joining of various diameters, tee, solder and combined couplings with external and internal threads, plugs, adapters with external threads, elbows and tees with union nut, ball valves, various fittings with factory carving.

To ensure tightness, the joints and seals are generously lubricated with silicone.

To work, you need a crimp wrench, which can be purchased at the same time as the fittings. After cutting off the desired part of the pipe, firmly insert it into the fitting, wrap the thread of the element with a thread for sealing and tighten the ferrule and nut, fully tightening with a wrench. This method of connection takes much more time than welding, but it is convenient for them to connect polypropylene pipes to radiators.

Docking steel pipe with polypropylene

When installing heating or water supply, there are areas where metal and plastic joining is required. The connection of a polypropylene pipe and a metal one takes place using special adapters. This fitting has a smooth plastic hole on one side and a threaded metal insert on the other. The polypropylene pipe is connected by welding, and the metal pipe is screwed on with a key. The resulting joint does not have the strength of a welded joint, but it will serve for a long time.

After complete installation of the system, it is necessary to conduct a test run of water to check the tightness of all points of connection of pipes and other elements. If threaded connections are leaking, tighten them.

Self-installation of water supply or heating from polypropylene pipes is quite a feasible task. To implement it, you must strictly follow the instructions for using the plastic welding machine and the installation technology. To better understand all the nuances of the process, it is worth watching a video in which experienced installers share their experience.

To connect such pipes, you must use special fittings. Such a connection is necessary in cases where water was introduced into the house with HDPE pipes, and further distribution of water inside the house is carried out with polypropylene pipes. So, there are 2 types of connections:

1. In the first case, attach a threaded sleeve to the HDPE pipe, where there will be a clamping connection on one side, and a similar sleeve on the polypropylene pipe, respectively. But there will be a solder joint on one side, and a threaded joint on the other. In both cases, a FUM tape or tow is used for the thread to seal the joint and to avoid leaks.
2. Otherwise, a flange connection is used. A rubber seal is installed between the flanges. The flanges are bolted together.

With polypropylene, it is important to know that high quality during such work can be achieved only when the wall thickness of the products is taken into account. Modern technologies make it possible to create rather durable and reliable communications from such pipes. They do not undergo corrosion processes, which is why they are so widespread. Such manipulations can be carried out in one of several ways, however, work can be classified into two categories:

• soldering method;
• use of fittings.

Connection methods

If you decide to find out how to connect a polypropylene pipe with a polypropylene pipe, you need to figure out the methods. For example, thin-walled pipes can be threaded. If you need to equip a cold water supply system, the temperature of the environment in which does not exceed +20 ° C, then products with the PN 10 marking should be used. The same applies to laying underfloor heating where the temperature does not exceed +45 ° C.

If it is necessary to equip a cold water supply system that will be transported at increased pressure, pipes with PN 16 marking should be used. This recommendation is relevant for pipelines with reduced pressure. The best quality connection option is welding, it can be used for PN 20 pipes, which are able to withstand temperatures up to +80 ° C. Their walls are thicker than the previous ones.

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

Threaded connection

Before connecting a polypropylene pipe to a polypropylene pipe, you need to figure out which method is best to use. For example, for a threaded connection, you need to prepare threaded fittings, because you cannot cut threads on polypropylene products. The connection is carried out using a special tape, which will make the joint strong and reliable.

Fittings used

If you decide to use a threaded connection, then you will need:

• solder couplings;
• triple square;
• combined crosses;
• couplings;
• squares at 90 °;
• combined squares;
• ball valves;
• solder squares at 45 °;
• stubs;
• external thread adapter;
• water outlet;
• pP fittings with factory thread.

Welded connection

If you are thinking about how to connect a polypropylene pipe with a polypropylene pipe, then you can use the welded method. However, it is important to consider that the connection will be permanent. When melting, the molecules of one part move to another, diffusion occurs. From heating by an electric welding machine, the parts are organically interconnected, because they have the same chemical composition.

To carry out the work, you should prepare:

• soldering iron;
• welding machine;
• polypropylene fittings and pipes;

In addition to the listed tools and materials, you should prepare a hacksaw or metal scissors, a tape measure, couplings like faucets, corners and pipes. It is important to stock up on fum tape. As for the welding machine, it will consist of a heating element and welding nozzles, the diameter of which varies from 16 to 40 mm.

As soon as the indicator goes out, you can start work, because this will be a signal that the desired temperature of 260 ° C has been reached. This will take approximately 15 minutes. If the ambient temperature is below zero, then welding should be abandoned. If it is necessary to weld pipes with a diameter of 60 mm, use the socket welding method. For a more impressive diameter, butt welding is suitable, which does not involve the use of additional parts.

For pipes with diameters ranging from 16 to 50 millimeters, a hand-held soldering iron should be used. More impressive diameters will be connected with a mechanical welding machine. The ends of the pipes should be well heated with removable sleeves, then it remains only to press the elements together, applying little effort. This effect should last for a few seconds.

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

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

Next, the master should apply a mark to the depth of the socket, to which 2 mm should be added. Joining products begins with warming up using a special device. After the parts are connected to each other. And if the polypropylene has an aluminum layer, then the connection can be made through perforated holes. This significantly increases the strength of the PN 25 pipe.

Using butt welding

Before connecting polypropylene pipes to each other, you should think about which method is best to use. Perhaps butt welding is suitable, which will allow you to connect pipes for external sewage together. This approach is relevant if the pipe wall thickness exceeds 4 mm.

At the first stage, weld spots should be trimmed to parallelism. Then it is necessary to carry out heating and ensure accuracy with a centering device. Welding should be accompanied by airing the room, because polypropylene emits carbon dioxide and water vapor, as well as smoke.

Solderless connection

Quite often, novice home craftsmen wonder how to connect polypropylene pipes without soldering. This is usually done using fittings made of the same material as the pipes. If the heating system includes fiberglass-reinforced lines, then other types of products will not work.

You should stock up on polypropylene fittings that are reinforced with fiberglass. An exception is the case when there is a need to combine polypropylene with another material. In this case, threaded elements are used, for example, "American". Before connecting polypropylene pipes without a soldering iron, you should ask what fittings can be found on sale for arranging water supply and heating systems, among them:

• Y-shaped;
• straight;
• T-shaped.

The use of these elements is necessary taking into account the mode of application and the situation. By the type of connection, several types of shaped products are distinguished, namely:

• compression (crimp);
• welded.

Compression polypropylene fittings are supplied ready-made, there is no need for additional assembly. Compression fittings have advantages over welded fittings. They consist in:

• ease and simplicity of installation;
• no need to use welding equipment;
• the ability to install polypropylene fittings in any weather conditions, because they are not afraid of negative temperatures;
• no need for the master to have special skills for installing crimp fittings.

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

• gas and adjustable wrenches;
• screwdrivers;
• carob keys;
• sealant;
• special scissors;
• pipe cutter;
• bevelling machine;
• caliber.

You can think about the location of pipes that can be in the wall or on top of it. There should be no hard corners in the circuit. The flexibility of the products is achieved with a building hair dryer. If you decide to use polypropylene pipes for heating, you should know how to connect them.

The connection point must be sealed in any way convenient for you. This can be done using fum tape. Then the system is assembled according to the principle of the designer, at the corners and in the places where the flow is distributed into several parts, special elements such as corners and tees should be used.

Conclusion

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