Video on the installation of metal-plastic pipes with your own hands. Do-it-yourself wiring of metal-plastic pipes How to properly lay metal-plastic pipes

If during the repair work you decide to save money, then it is better to do everything yourself. For example, it is quite possible to conduct communications using metal-plastic pipes with your own hands. The main thing is to prepare everything you need and get acquainted with the advice of specialists. And then you can get to work. This article will show you how to install metal-plastic pipes with your own hands.

Training

Before proceeding with the installation, it is necessary to prepare essential tool and fixtures. Everything will depend on the method of connecting pipes you choose.

There are two main ways to connect:

using compression fittings;
with press fittings.

The first option is done faster and does not require the use of a special tool. If installation is carried out using press fittings, then it is necessary to purchase or rent a special device - press tongs.

So, if you chose the first fitting option, then you will need the following:

for cutting pipes, you need to prepare special scissors or a hacksaw;
set of wrenches;
fine-grained sanding paper;
a special tool for giving pipes the correct rounded shape (sweep or calibration);
the plastic pipes themselves.

If you decide to use press fittings, then you should buy (or rent cheaper) press tongs for this set. Such a tool can be either automatic or manual.

Connection using the compression method

This method is the most common, although some experts do not praise it. The fact is that the compression connecting elements “loose” over time and leaks appear. Therefore, it is necessary to periodically inspect the joints, and, if necessary, tighten the nuts.

The instruction itself for connecting metal-plastic pipes using compression fittings looks quite simple. All work is performed in the following sequence:

first you need to straighten the pipe in a section of ten centimeters in each direction from the junction;
we mark the place of the cut and perform it with the help of special scissors or a hacksaw. This must be done strictly at a right angle;
then, the ends of the pipe are ground with sandpaper to remove burrs. After that, calibration is carried out using a special tool. This operation is necessary to give the pipes the correct rounded shape;
now it is necessary to moisten the flange fitting with water, so it will be easier to put on the pipe. You need to put it on the end so that the pipe evenly touches the fitting. Together with the flange, a compression ring is put on the end;
then two keys are taken and with their help the nut is tightened. The first turns can be done manually. The nut should go easily. If this does not happen, then most likely you did not hit the thread. You need to unscrew the nut and try again;
after that, you need to test the assembled area for a leak.

When connecting metal-plastic pipes using a compression fitting, no great efforts are allowed. Overtightening the nuts can damage the fitting, leading to leakage and the need to replace the assembly.

Note! If the tightness of the connection is insufficient, then you just need to slightly tighten the nut.

We carry out press installation

A more reliable and durable connection is the joining of metal-plastic pipes using press fittings. True, this method makes the connection non-separable, which may interfere with the repair or reconstruction of the system.

The work process itself is as follows:

the pipe section is straightened and marking is done;
a pipe is cut;
the end is processed with sanding paper, reamers and calibration is carried out;
then a compression sleeve, which is included in the fitting kit, is put on the pipe;
further, it is necessary to put on an insulating gasket on the fitting fitting. It is necessary to protect the device from electrocorrosion;
then a fitting fitting is inserted into the pipe and crimped using press tongs. This must be done carefully and carefully so as not to damage the connecting device. Otherwise, you will have to cut the pipe again and carry out all the procedures again.

You can check the correctness of the connection by the appearance of the coupling. Two uniform rings should appear on its surface. If the crimping is carried out incorrectly, then it cannot be repeated. It is necessary to cut the pipe and carry out all the work again.

Installation rules

In order for the connections and the entire system to work properly and without leakage, some installation recommendations must be followed:

installation work should be carried out at an ambient temperature of at least +10ºС;
if during the transportation of metal-plastic pipes they were at sub-zero temperatures, then before installation they must be kept in a warm room for at least a day;
it is desirable to lay metal-plastic pipes in a closed way. If this is not possible, then it is necessary to provide protection against mechanical impact and ultraviolet radiation;
if at repair work welding is envisaged, then it must be completed before the installation of metal-plastic pipes begins;
Twisting or excessive bending of the pipe must not be allowed. According to the manufacturer's recommendations, the bending radius should not exceed five pipe diameters. The bend itself can be done manually;
Since the pipes are quite flexible, it is necessary to fix them. Fasteners are carried out every half a meter at horizontal arrangement and every meter when vertical. For this, special fastening clips are used;
if it becomes necessary to lay a pipe through a wall, then sleeves must be used.

If you follow these recommendations when installing systems using metal-plastic pipes, then communications will last a long time and not cause you problems.

Video

In this video you will see how metal-plastic pipes are installed using compression fittings.

Previously, the pipeline was associated with heavy metal pipes that only a master could handle. Now, a metal-plastic pipeline can be made with your own hands, there would be a desire. Step by step description working with videos will help you understand the basic principles.

Metal-plastic pipes - a practical "sandwich"

Due to their design, metal-plastic pipes have a number of advantages over other pipeline materials. Their structure is as follows:

The inner layer consists of molecular polyethylene, cross-linked and compacted in a special way;
Adhesive layer, which fastens the polyethylene layer with the aluminum layer;
Aluminum layer;
Adhesive layer connecting the aluminum layer and the outer plastic;
The last outer layer of plastic.

As you can see, the structure of metal-plastic products is similar to a complex sandwich that combines everything strengths plastic and metal. The advantages of such pipes can be described as follows:

All these qualities are very rarely combined in one product, which is why metal-plastic is very popular as a material for pipelines.

Carefully! Unpack the coil with metal-plastic pipes without using sharp objects so as not to damage their integrity.

Preparation of tools and accessories

As already mentioned, the installation of a pipeline made of metal-plastic is possible with your own hands, you just need to know the basic principles.

Choice of accessories

Minimum necessary set to complete a do-it-yourself plastic water pipe is as follows:

Ball Valves;
metal-plastic pipes;
fitting.

Ball Valves

It all starts with the installation of ball valves, the quality of which determines the safety of the entire pipeline. In the event of a leak, the ball valve shuts off the water supply from the common riser to the apartment.

Attention! Avoid Chinese faucets, recognizing them by poor quality castings.

Choose those models of ball valves that are able to work in the conditions in which they will be operated. It is best to take models that are designed for 60 atmospheres and 150 ºС.

Pipe marking

When choosing pipes, it is very important to take into account the marking, which indicates the conditions in which they can be operated. It is advisable to choose products labeled PEX or PE - RT , which are designed for high pressure systems and easily withstand water hammer. Products marked PE-RS, PE-HD or HDPE have more low price, but can only be used in low pressure systems. We do not advise you to equip the pipeline using such material, since any water hammer can be fatal for them.

Fitting

Metal-plastic pipes are connected in single system using fittings, which can be of three types:

Compression;
Press;
Movable.

In practice, compression or compression fittings are most often used, due to the fact that only one wrench is needed for this. This fitting can be used many times, it consists of a nut, a union and a split ring.

Press fittings are more reliable, so they are used to equip the hot water supply system. But for installation in this way, you need to have special press tongs.

Sliding fittings will also require special equipment - an expander that is able to expand the diameter for installation.

Tools for the job

To complete all the work you need a few simple gadgets:

Shears;
Pipe bender;
Calibrator;
Chamfer;
A pair of wrenches.

A beveler is required in order to prepare the end of the pipe for installation. He removes a certain layer, making a chamfer. Without this step, it will be difficult to achieve a tight joint.

To be able to proceed with direct installation, you need to draw up detailed diagram pipeline. On it you need to mark all pipe sections and connecting points, as well as other key elements: filters, taps, tees, and so on.

Plumbing scheme

To equip a reliable water supply system from metal-plastic, you need to know the sequence of installation of certain nodes of this system.

Plumbing scheme:

Inlet ball valve;
Coarse filter that will stop large particles of dirt;
Water meter;
Fine filter;
Pressure stabilizer that equalizes the pressure during internal system during jumps in an external water supply;
Collector that distributes water;
Direct distribution of pipes from metal-plastic to plumbing.

For metal-plastic pipes, a coarse filter is highly recommended, since large particles can damage the inner layer of polyethylene. As you know, there are plenty of such particles, for example, sand, metals or scales in our risers.

The collector evenly distributes water from the riser to the points of consumption: sink, toilet, washing machine etc. These devices are equipped with several outlets, so you need to choose the model that will fit your plumbing scheme.

Care must be taken in the first place when working with metal-plastic, since careless handling or brute force can easily damage this material. Do not tighten the nuts too tightly and sharply, as well as allow scratches and cuts to appear on the surface of the pipe. Before starting work, we recommend that you watch the installation video.

Installation with compression fittings

First of all, as already noted, we install a ball valve that allows you to turn off the water to an apartment or house.

Do-it-yourself pipeline installation steps:

The wiring using metal-plastic pipes must be performed in full line from the collector to the point of consumption. It is not necessary to introduce unnecessary connections, since compression fittings periodically need to be pulled in order to maintain the tightness of the structure.

If you equip underfloor heating, then the presence of compression fittings under the floor is unacceptable, because their prevention will not be available. Fortunately, metal-plastic pipes are bent, and they can be laid in any shape, avoiding unnecessary connecting nodes. In addition, there are press fittings that do not need to be pulled - strong and durable, they will provide quick installation and a guarantee of work up to 50 years. The installation diagram using such fittings is described below.

Mounting with press fittings

Press fittings are capable of withstanding a pressure of 10 bar in operating mode. However, to install them, you will need at least a simple manual press machine, but there are also hydraulic ones.

Installation scheme with press fitting:

The first steps completely coincide with the installation of compression fittings: cut the pipe, as well as calibrate and chamfer;
A stainless steel sleeve is put on the end of the pipe;
Now you need to insert the shaped part of the fitting into the pipe all the way;
The sleeve must be clamped with a press machine;
The handle of the press is reduced to the stop.

Here are some helpful tips that will help you avoid common mistakes when working with metal-plastic pipes:

For more tips on working with pipes, see the video.

Do-it-yourself plastic plumbing can be done even by a non-professional, having carefully studied the master class on the video. This does not require special expensive devices and special skills. However, despite the strength and flexibility of metal-plastic, in order for these pipes to serve you as long as possible, some rules must be observed when installing them. The video and tips in our article will help you complete all the installation of a metal-plastic water pipe.

Metal-plastic pipes are polymer products widely used in the arrangement of plumbing communications. They are great alternative steel counterparts, they surpass them in most performance characteristics including cost and durability.

This article discusses the installation of metal-plastic pipes. You will learn what methods of connecting metal-polymer products exist, how to mount them with your own hands and what tool is needed for this.

Article content

Design features

Metal-plastic pipes have a multilayer structure, which consists of 5 separate layers that perform different functional tasks:

outer and inner layer made of polyethylene;
intermediate reinforcing layer of aluminum foil;
shells made of aluminum and PE are bonded with two layers of high temperature resistant adhesive.

For the manufacture of metal-plastic products, two types of polyethylene can be used - PEX (cross-linked polyethylene) and PE-RT (thermal stabilized polyethylene). These modifications of PE differ in manufacturing technology, in practice, the differences between them are that PEX is more resistant to deformation during long-term heating, which makes PEX pipes the preferred choice for arranging underfloor heating and hot water systems.

A foil sheath lying between the inner and outer PE layer ensures zero vapor permeability of the pipes, which in turn minimizes corrosion problems. heating appliances(boilers, radiators) due to the penetration of oxygen into the coolant.

Metal-plastic pipes can be used in the following systems:

cold and hot water supply;
radiator heating;
warm floor;
pipelines for gas supply.

The temperature maximum for the operation of metal-plastic products is +90 degrees, they are able to withstand working medium pressure up to 20 MPa.

Metal-polymer pipes are produced in the range of diameters 16-53 mm. Products with a diameter of more than 40 mm in domestic use practical ones do not occur, while segments up to 32 mm are most in demand. The cheapest and most used are metal-plastic pipes 16 and 20 mm, the cost for which is minimal.

The wall thickness can be from 2 to 3.5 mm, the maximum bending radius is 80 mm (when bending manually) and 40 mm (using a pipe bender).

Advantages of metal-plastic pipes

The advantages of metal-plastic products that distinguish them from polymer analogues include:

Ideally smooth walls (roughness coefficient 0.006), which guarantees the noiselessness of the water supply and the absence of problems with patency even after a long time of operation.
Full resistance to corrosion and chemically aggressive substances.
high mechanical strength, resistance to bending and tensile loads, crack resistance.
Minimum weight, low cost of the pipes themselves and connecting elements, the pipeline is extremely easy to install with your own hands.
Products are easily bent and due to the aluminum layer perfectly keep the given shape.
Durability - the service life of products exceeds 50 years, and maintainability.
Aesthetic appearance - after laying the pipeline does not need to be painted.

Among the shortcomings, we note the tendency of the material to linear expansion. To prevent the problems associated with it, the installation of metal-plastic pipes must be carried out in compliance with a number of rules, namely:

rigid fasteners cannot be used for fixing, since when clamping the expanding line, the stress in the material increases greatly, sliding clips must be used;
it is important to observe a step between the clips of 40-60 cm, which does not allow the pipeline to sag between the fasteners.

On the whole, in aggregate operational qualities, pipes made of metal-plastic are superior not only to metal, but also to most polymer analogues.

Do-it-yourself installation of metal-plastic pipes (video)

Installation of metal-plastic pipes

Installation of metal-polymer products is carried out using two types of fittings - compression (threaded) and press, high-temperature welding is not used to connect them, since only composite pipes can be soldered together with high quality.

The main advantage of fitting connections is extremely fast and easy installation, which does not require special skills. We also note that through fittings, metal-plastic pipes can be connected to other types, including steel, copper and.

Mounting with compression fittings

The compression fitting allows, if necessary, to be dismantled, which is why its cost is higher than that of a press counterpart. The design of the compression fitting consists of three parts:

fitting (metal or);
crimp ring;
union nut.

No special tools are required to install this fitting - the union nut of the fitting is threaded, which allows it to be tightened using a universal wrench or a wrench of the appropriate size.

Compression fittings are available in a wide range of sizes, you can purchase angles, adapters, crosses and.

Note that compression fittings need periodic repair and maintenance, because due to the tendency of metal-plastic to linear expansion at the joints separate parts pipeline, leaks may appear, which are eliminated by tightening the fitting. This imposes a limitation on the possibility concealed installation pipelines, which involves concreting pipes inside walls and floor coverings.

To connect segments using compression fittings, you will need a tool:

(can be replaced with a hacksaw for metal or a grinder);
fine-grained sandpaper, file;
calibrator.

Do-it-yourself installation of metal-plastic pipes is carried out according to the following instructions:

The pipe is straightened, measured and the required cut point is marked.
According to the preliminary marking, the pipe is cut at a right angle.
With the help of a file or sandpaper, burrs are removed from the end part of the cut, then the product is given a rounded shape by means of a calibrator;
A union nut and a ferrule are put on the segment, which is placed at a distance of 1 cm from the cut.
The pipe is put on the fitting fitting, after which the cap nut is manually tightened. When the nut slows down, it reaches 3-4 turns with open-end wrenches.

When tightening the fitting, it is important not to overdo it - after assembly and, if necessary, problematic connections reach out.

Mounting with press fittings

Press fittings provide a one-piece connection that does not require repair and maintenance, which allows concealed laying of pipelines. Such fittings withstand a pressure of 10 bar, and their service life reaches 30 years.

For using press fittings, in addition to a pipe cutter, a calibrator and sandpaper, you will need press tongs. This is a tool that compresses the fitting sleeve around the pipe. The cost of pressing tongs varies between 1-3 thousand rubles, the tool is presented in the assortment of all companies selling metal-polymer products.

The technology of installation of metal-plastic pipelines is as follows:

The pipe is marked and cut at a right angle into sections of the required length.
By means of a reamer or sandpaper, the cut point is cleared of burrs.
The calibrator eliminates the ovality that occurs during cutting.
The segment is inserted all the way into the fitting so that it is placed between the fitting and the crimp sleeve.
With the help of press tongs, the sleeve is crimped to the characteristic click of the tool. If the compression is performed correctly, two rings of the same size are formed on the surface of the sleeve.

There are fittings in which the crimp sleeve and the fitting come separately. In this case, you will first need to put a sleeve on the pipe, then fix it on the fitting, move the sleeve to its extreme position and crimp it with tongs.

Plumbing from metal-plastic pipes is the most common type of plumbing in houses and apartments. They firmly established themselves in this market segment. And there are good reasons for that.

On this page we will describe all the pros and cons of such a water supply, and also describe in detail how to install metal-plastic pipes with our own hands, how to connect them using fittings, etc.

There are several objective indicators that allow metal-plastic pipes to outdo their competitors when installing a water supply system in an apartment or house:

Ease of installation. With careful work, they can be performed by anyone without any training. In practice, this is a kind of constructor, for the assembly of which expensive tools and special skills are not needed.
Reliability. The 50 year warranty is proof of that. But note that this applies to pipes, not their connections.
Price. We can say one thing: "Cheaper, only for nothing." Polypropylene pipes can make some competition in this parameter, but otherwise they lose.

Based on the foregoing, water supply on metal-plastic pipes turns out to be reliable, inexpensive, and you can assemble it yourself. Naturally, connecting to the central system is the prerogative of professionals.

Sadly, but each barrel of honey has its own fly in the ointment. In the case of metal-plastic plumbing, these are fittings.

A fitting is a device with which you can:

change direction;
drown out;
connect;
branch.

In our case, we are talking about metal-plastic pipes. If the fitting has the same diameter at both ends, then it is straight; and if different, then transitional.

But these are only their varieties for their intended purpose, but according to the method of fixation, all fittings are divided into crimp and press fittings.

Crimp fittings. In another way they are called ring, or serviced. In those, fixation is carried out due to the conical shape, the inner surface, the crimp nut, which, when tightened, compresses the trim ring. Such connections can be disassembled and require periodic maintenance. Usually once a year, compression fittings on metal-plastic pipes, through which hot water should be checked and, if necessary, slightly tightened. The reason for their weakening is the temperature deformation from hot water. For their installation, two gas (adjustable) keys are required.
Press fittings. Or maintenance-free, they are fixed on the pipe by pressing a special crimp sleeve. The work is done with press tongs. They can be manual or electric. The former cost from 4 tr, the latter from 25 tr. The connection turns out to be one-piece, but with a guarantee against leaks, regardless of the water temperature. Most often, press fittings are used in connections that will be walled up in walls, or with difficult access after repair.

The reliability and quality of connections depend on the scrupulousness of the instructions. But for the price ... Although press fittings are cheaper than crimp fittings, their total cost for plumbing equipment in an apartment is equal to the cost of metal-plastic pipes.

Planning a plumbing "on paper"

The most important and paramount is the plumbing plan. If you have never done this, then you can make it from scratch without much difficulty, although this undertaking is quite painstaking. But it all starts with the consumer.

It is necessary to designate the places where the cranes will be. This is a kitchen and a bathroom. With proper construction, they are usually located nearby, which facilitates and significantly reduces the cost of organizing a water supply system. AT ideal if they are in adjacent premises, only one pipe is required, from which branches will go through the tee to different rooms.
The place where water enters the house is indicated. There are only two options: central water supply or a private well (well). Depending on this, you may need optional equipment. In particular, when using water from a well, it is necessary to install a hydraulic accumulator (above the level of consumers). From it, water will flow into the house by gravity. Such a system is preferable, because it does not require the pump to be constantly turned on. The accumulator does not have to be metal. It can be "poured" out of concrete. And already in the house is mounted:
Filter system (equipment depending on water quality).
Boiler.

Accordingly, if water enters the house from central system water supply, then at the entrance it will be necessary to install only control devices for metering consumption.

it circuit diagram. It is unacceptable to give recommendations on a filtration system without knowing the quality of the water. The same applies to the water heating system. Depending on the conditions, the boiler can be electric or gas. Using an oil-fired water heater solid fuel not economical and associated with certain difficulties. Especially in the summer.

Necessary tools and materials

From the cranes, twine unwinds along the wall. In places of bend or branch, carnations are hammered, and the direction changes. Accordingly, that from the tees, there will already be two (or three) strings. Having thus marked the entire system, it is necessary to draw its location on the wall. You can use chalk or water emulsion.

Only after that, the twine must be removed and its length measured. Additionally, calculate the number of fittings and their types.

IMPORTANT: increase the resulting pipe footage by 10%. This is common practice.

Regarding the choice of pipe diameter, there is already an established opinion. For almost all residential buildings and apartments, a metal-plastic pipe ᴓ16 mm is more than enough. It provides supply up to 3 m 3 /hour. And most water meters are not designed for more flow. And why more?

Choosing a manufacturer of metal-plastic pipes is perhaps the most difficult task. There are often fakes on the market. Buy a pipe from a reputable store or from trusted suppliers. We recommend that you refrain from purchasing metal-plastic pipes from Chinese manufacturers. Negative reviews are too common. The highest quality metal-plastic pipes are produced in Belgium ( Henco), Germany ( Frankische and Sanha).

What you need from the tools:

Cutter for a metal-plastic pipe (from 250 r).
Caliber with countersink (from 200 r).
Conductor (from 500 r).
Press tongs (from 4000 rubles, but you can rent).
Two gas (or adjustable) keys.
A hammer.
Screwdriver.

How to work with the tool

Caliber, restores the shape of the pipe after cutting, and the countersink chamfers and removes burrs. If the caliber is without a countersink, then its work can be done with fine sandpaper.

The conductor serves to bend the metal-plastic pipe. It is external and internal. In some cases, the use of the internal one is more convenient, because it does not slip in the hands. But it is not always possible, because the place of the bend may be far from the end of the pipe. Therefore, we recommend staying on an external conductor.

Press tongs will be required if you use maintenance-free fittings. Based on 16 years of experience, we recommend press fittings. And there is only one reason. Most tenants, after a year, forget about the maintenance of compression fittings. And that leads to leaks. But the choice is yours.

From Supplies you will need: self-tapping screws, fasteners for metal-plastic pipes, FUM tape.

The process of installing metal-plastic pipes

Start installation metal-plastic water supply necessary from the source to the consumer (to the taps). Unwind a piece of pipe from the roll to the nearest fitting, and cut it with a knife. Calibrate, deburr and chamfer. Then insert the pipe into the fitting until it stops. The press fittings have special holes to control the depth. The edge of the metal-plastic pipe should be visible in them. Then insert the fitting into the pliers, and crimp the connection.

Compression fittings are attached using the nuts and rings included in the kit.

Working with press tongs with your own hands is quite simple, since it will not work to insert a “crooked” fitting there.

All pressing tongs have interchangeable jaws for pipes of different diameters. Make no mistake in choosing sponges.

The installation process for compression fittings is slightly different. A nut is first put on the prepared pipe cut, then a cut ring, and after that, the pipe is inserted into the body of the fitting itself. Before tightening the nut, we strongly recommend winding with FUM tape. It only takes two or three turns. It is necessary to start from the edge of the thread and carry out winding, holding the tape tight. After that, moisten the thread sunflower oil. This technique will protect against leaks!

The nut is first tightened by hand until it stops. And only then, holding the fitting with one gas wrench, tighten the clamping nut with the other. You don't have to pull with all your might, but a little effort is necessary.

Mounting with press tongs

The metal-plastic pipe should be fixed to the wall every meter. Special fasteners are fixed in the surface through a self-tapping screw, and a pipe is inserted into them.

In those places where it is permissible, the pipe can be bent using a jig. To do this, a conductor is put on the pipe, brought to the right place, and carefully, holding the product with your hands, at a distance equidistant from the target place, bend the pipe in the desired plane. Given that the bending radius of a metal-plastic pipe is equal to its 8 diameters, this approach is not always appropriate.

Checking, repairing leaks

After installing the metal-plastic pipes, connect them to the faucet using the supplied hoses. Then go through all the route again, and visually check the integrity of the assembly.

Pay attention to tees and splitters. Sometimes, carried away by one branch, the installer forgets about fixing the pipe in another.

Open the taps at the end of the water supply (in the kitchen and in the bathroom). And only after that, slowly, in order to avoid possible water hammer, open the water supply valve to the system. The best way to do this step is with a partner. He must control the exit of water at the final destination. As soon as the water has gone, to flush the pipes, let it drain for 2-3 minutes. Then close the outlet valves, this will raise the pressure in the system, and go along the entire path of the pipe. Check all connections. If in doubt, wipe the surface of the fittings with a paper towel (or toilet paper).Do not confuse condensate with a leak!

We guarantee that if you performed the work according to our recommendations, then in 99.9% there will be no leaks. If any connection causes you reasonable concern, then slightly tighten it.

Nowadays, there are many materials with which you can do the plumbing at home with your own hands. The most commonly used iron,.

They have their advantages and disadvantages, however, for assembling a water pipe from metal or polypropylene pipes special equipment is required.

Do-it-yourself installation of metal-plastic products for plumbing - optimal solution which saves time and money.

This article will reveal the intricacies of installing metal-plastic pipes with your own hands, as well as a video that clearly shows the process.

Metal-plastic plumbing pipe products appeared on the market about ten years ago. The material for them is the usual plastic. At the same time, the metal-plastic pipe has a significant degree of protection against wear and tear.

This is facilitated by the design, which is a cake of several heterogeneous layers. The inner layer is food-grade plastic, safe in contact with water.

The outer layer consists of multi-layered polyethylene that protects it from damage. The pipe is reinforced by an aluminum shell located between the plastic layers, reinforced with an adhesive layer.

Specifications

Pipe-rolling products with a diameter of 16 to 53 millimeters are produced. The most commonly used in domestic use are 16 or 20 mm products.

The thickness of the walls, depending on its size, ranges from two to three and a half millimeters. They are usually produced in rolls of 50 or 100 meters.

Advantages

Flexibility - the most important advantage is that you can achieve a radius of five centimeters, completely repeating the shape of the corner without breaking the pipe and using a fitting. Complex shapes with a radius of fifteen centimeters are easily bent by hand. This makes the installation of the system as easy as possible.
Ease. A hundred-meter roll can easily be lifted by one person with his own hands.
Its strength exceeds the strength at the joints.
You can practically not be afraid of leaks in continuous sections.
Thanks to the multi-layer construction, significant wear resistance has been achieved. The service life of the water supply system is more than 50 years.
They are not affected by rust, while the appearance of sedimentary deposits is prevented by a smooth inner surface.
If such deposits have appeared during long-term operation of the water supply system, then they can be removed quite easily.
Appearance much more attractive than the metal ones.

Flaws

Metal-plastic products must not be used outdoors, as well as allowed to be exposed to them for a long time. sun rays because they are afraid of ultraviolet radiation.
Strength and heat resistance are certainly lower than those of metal.
They cannot serve as a grounding device, but they accumulate static electricity that cannot be discharged because the metal parts are insulated at the junctions.
Require regular maintenance (tightening) of compression fittings.

Preparing for installation

Before installing the plumbing system, it is necessary to carefully consider its layout and location. First of all, it is worth noting on the plan all points of water consumption (faucets, shower, washing and dishwasher), relative to their location in the house.

Then you need to connect these points with lines indicating pipes, and it is necessary to note their diameter, the direction of the flow of water, and also subdivide them into those intended for hot and cold water. Calculate the approximate footage of the resulting scheme.

It is necessary to buy pipes with a margin of at least 10 meters, since when mounting with your own hands, losses during assembly are inevitable. If they still remain, then they can always be used during the repair or connection of new equipment.

After that, it is necessary to mark on the diagram all the connection points, as well as those places where the locking devices will be installed.

Safety valves must be installed at the entrance to the house in front of the meter, as well as in front of each consumption device.

Having done this, you will find out the number of mounting units and their specification required for assembling the water pipe. Sample Process The calculation is shown in the video.

Tools for mounting the structure

Despite the fact that the process of mounting metal-plastic pipes with your own hands is very simple, some tools will still be needed.

Their service life is comparable to warranty period metal-plastic pipe. Similar to its indicators and the parameter of the working pressure on the connection.

We invite you to watch the video showing quality installation metal-plastic pipes using press fittings.

Use the tips given in this article and video, and you will be able to install metal-plastic pipes for plumbing with your own hands without the slightest problem.

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