How to cut the pond pipe evenly. How to cut polypropylene pipes with a diameter of more than 42 mm

How to cut polypropylene pipes: types of pipelines, advice on choosing, what to cut is not worth

As you can see: you can solve the problem of cutting polymer pipes using different tools: manual and electrified, overall and designed to work with small pipes. Therefore, such tools are acquired for specific diameters of the polymer “rental” and specific cutting volumes.

And if you need a cutter for small pipes, then the best choice for you will be a guillotine or circular pipeline, but huge pipes can be separated only by a tape saw.

Than the pipe pond is cut and the chamfer is removed?

With “square” I still did not seem to me so reusable. I went over here, rearranged. So the couple flowed. Both of the square. I didn’t understand why, I just replaced other fittings.

To wet the lubricant of Siliconova, I liked it. I liked it.

But all this is true for uncomfortable places. When everything is convenient here, in principle, it doesn’t matter and how the chamfer is removed and the rest is removed.

Squares simply clamps unsuccessfully and really starts to leak, I also had it. Off.The result is then showing)

By the way. If you need, I can give me play. Take it in Butovo. The current must be found in a dark room.

A good tool. quick and high.quality installation.

Sorry, but cut the PND with a pipeline.This is a pervert of ordinary scissors for polymer pipes, the same as for polypropylene. Pyatki.Another cut can be made with a regular hacksaw for metal. The chamfer is elementarily removed by a sharp clerical knife. He has serial production, or permanent installation, to purchase tools?

In general, I agree. Therefore, I suggested you use 🙂 I bought myself, Hands are not very straight, with the instrument it is somehow more shameful. And I bought it when I have not tried it yet.

I don’t really need scissors, I cut it all the time, I don’t know why, but I’m talking about these

Scissors come from initially crooked and cheap ones, such as encor, can cut perfectly, and expensive mowing again. I now have some inexpensive, but not an estimate one from a set of Lyaniyatny soldiers :), already damn how many years.cut approx. Essno, I undermine. The colleague clung from the supplier of polypropylene for the action some professional, bucks over a hundred.Full slag. Solid, like, powerful and iron, but mowed from the very beginning, tight, uncomfortable, at the 40th polypropylene of PN 20, they grunted on the second crusa :).

It’s clear. I thought I was completely bloods over. Okay when you hurry, but specially here. You take carefully, not hastily, gently crush. bam and crookedly everything.

And I look at the knife. not exactly it stands. But I thought it was a specialist and it should be. Therefore, the roller and closer to me 🙂 no, then my roller can “run away”, but it is rather a rarity.

But PP with scissors. just as tight. 20 is still normal, but already 25 is hard, and 32. it seems that I will break right now.

Advantages of PND

From low.pressure polyethylene, you can make an almost perfect pipe from which you can collect both the household and industrial highway.

After all, the PND pipe has the following advantages:

    Inertia to chemical reagents, which guarantees the durability of the pipeline. After all, the inert pipe does not respond to both external and internal “irritants”.

Combination of ring stiffness and flexibility. Polyethylene pipes can be “dragged” to a depth of 8-10 meters. At the same time, such a pipe is not afraid of the ascetic of the soil and bends at any angle (with a reasonable approach to the bending radius).

  • Excellent frost resistance. PND pipe can freeze, but burst. never! Indeed, thanks to elasticity, such a pipe transfers any linear deformations.

In addition, the PND PND varietalent is more than extensive. the bandwidth ranges from 15 to 1600 millimeters. For pipeline designers, this is good-such “rental” can be used in construction both industrial and household and communal trunks, but for collectors it is not very difficult to cut a pipe with a diameter of 100 millimeters, and a 1.6-meter product is cut only by a special tool.

Tools for cutting polyethylene pipes

PND installation technologies (VSTOK, in the bell and on the coupling) put forward special requirements for the quality of the cut. The end of the pipe must be cut strictly at right angles to the central axis of the pipeline. And on its surface it is not not possible to have burrs and creases.

Therefore, cutting polyethylene pipes is carried out only using a special tool and equipment.

And among such “special” tools, first of all, it is worth considering the following samples of cutting equipment:

  • Circular cutters that are used for cutting household pipes. with a diameter of 15 to 160 millimeters. over, the cutters are divided into three groups: the first to divide water pipes with a diameter of 15-63 millimeters; the second-sewer pipes for internal laying, with a diameter of 50-110 millimeters; and the third-pipes for external highways, with a diameter of 110-160 millimeters.
  • Pipe guillotics that are used for cutting “rolling” with a diameter of 63 to 350 millimeters. over, a gigan-gallion pipe for polyethylene pipes guarantees the highest quality of the cut.
  • Hand pipelines, in which a cutting tool is a steel knife, driven by a gearing hook. Such a tool can be cut only by relatively thin pipes, with a diameter of 15 to 30 millimeters. over, after the cut, the end will have to be aligned with a calibrator, since the steel knife crushes the body of the pipe during the separation process.
  • Electrified cutters feeding from a network or batteries. This tool works in a wide range of diameters. But its acquisition is justified only in the case of large installation volumes. Therefore, only professional plumbing purchases electric pipelines. For household needs, enough and manual tools.
  • Ribbon saws are the most difficult and expensive type of tool for separating pipes. As a rule, such a saw is mounted on the machine console, on which the polymer pipe is laid on the desktop. over, such tricks go for the sake of the performance of a strip saw. Such a tool “cuts” even 1600 mm pipes, providing the highest cut quality.

As you can see: you can solve the problem of cutting polymer pipes using different tools: manual and electrified, overall and designed to work with small pipes. Therefore, such tools are acquired for specific diameters of the polymer “rental” and specific cutting volumes.

Exact PipeCut 280/360/460 Pro Series Instruction Video. Advanced Heavy-Duty Pipe Saw

And if you need a cutter for small pipes, then the best choice for you will be a guillotine or circular pipeline, but huge pipes can be separated only by a tape saw.

Hacksaw / back saw

A hacksaw or back saw are the most common methods of cutting pipes from PVC, since most people already have one of them in their tool box or garage. Case and rear saws work well, but they take a lot of time and can lead to additional work to remove burrs on the edges of the cut pipe from PVC. Kryzuvka for metal or reverse saw is an ideal tool if you need to cut only one or more pieces of pipe. The rear saws are usually supplied with a cutting box at an angle, and they can be used together to make even, even incisions.

How to cut a profile pipe along or across: marking and cutting methods

In household households, profile pipes are widely used in the manufacture of greenhouses, greenhouses, canopies to protect automotive equipment from atmospheric precipitation and other designs. When working with this material, it is useful to know how to cut a profile pipe along the line or across with the most accurate angle.

Among the large number of construction cutting tools for metal, the leader in speed, simplicity of cutting and economy is an angle grinding machine (angular grinder), which is often present in the instrumental kit of any home master. To cut a profile steel pipe using a corner grinder, a regular metal disk will be required and strict compliance with safety rules. the destruction of the disk for segments at high speed of rotation can lead to serious injuries.

How to cut off the profile pipe across smoothly

Most often in the household, a rectangular or square trumpet metal is used with a wall thickness of not more than 3 mm, and cutting into separate segments is necessary when carrying out work on assembly welded frames.

To correctly cut the pipe, use additional devices to designate and mark the cut line, some of the devices perform the functions of the supporting face for the cutting disk.

Nuances of work with a rectangular section

Rectangular harvesters are much easier to cut along and down with any corners than cylindrical elements that are difficult to keep in a motionless state on a flat surface. The transverse circumcision of the blanks at any angle does not represent much difficulties. the fishing line for the trimmer of the desired angular slope is carried out on the lateral face and always coincides with the calculated (round elements require the use of special patterns calculated on the computer, to combine their faces at an angle other than direct).

The thickness of the walls of the metal profile when used in household farming rarely exceeds 5 mm. it is easy to cut using an angle grinding machine with any metal disk.

Which tool is used

As noted above, the main tool for cutting metal parts in domestic conditions is an angle.grinding machine, in its absence, you can use a hand hacksaw for metal or an electrician, which can also cut metal materials with a special canvas with a diamond coating.

For cutting corner grinders, cutting electric contest discs are used not intended for grinding operations. As an auxiliary tool, roulette, a metal ruler, various types of clamps, pencils and markers for applying marking will come in handy.


The use of a paper sheet is a simple method of marking a rectangular or square profile for accurate circumcision at an angle of 90 or 45 degrees towards its axis.

To make markings for transverse cutting at an angle of 90 degrees, take a sheet of paper and wrap them with the pipe to the exact combination of the edges, after which they are glued. With this method, a fishing line for a cutting trimmer is very clearly visible, unlike it with a pencil or marker along the edge of the template.

After that, the profile is cut along the template edge alternately from all sides, trying to prevent complete cutting of the finish areas. this can lead to the blows of the disk on sharp corners and its destruction.

A sheet of paper can be placed on the side walls of the pipes of a rectangular or square section. To do this, the paper sheet is folded diagonally, and the resulting angle of 45 degrees is applied to the side walls and make the corresponding markup. In order for the side lines to be at the same level, the sharp angle is applied to the transverse line placed at an angle of 90 degrees to the axis, which is previously applied in the above way.

Pipe cutting

It is very convenient to cut a profile pipe using a special template, which is an analogue of a construction rod for cutting building materials at different angles.

To do this, the above or in another way make a metal template from a profile pipe cut along a piece, it can be designed to get a straight or angle of 45 degrees.

To cut the metal profile, a template is applied to it and drawing a fishing line for a trimmer, according to which then the cut is made. In other cases, the template is held and a corner grinding is held for a trimmer on the surface of the workpiece, trying to avoid strong pressing the side surface of the disk to the applied metal template. Then the template is removed and cutting is continued according to a well.noticeable depression on the faces of the workpiece.

Using the template, you can get a very flat fishing line for the trimmer of the cut, if you do not hold it manually, but fix it on the workpiece with a clamp or fastener bolts.

For the independent manufacture of fasteners in the side surface of the P-shaped platform, the hole is drilled and welded at this point on the outside the unit, into which the bolt is screwed.

To fix the template, put it to the cut part and screw it up, pressing the template surface to the workpiece, after an angular grinder with a metal disk, a cut is cut, slightly touching the guide edge.

pond, pipe, polypropylene, pipes, diameter

How to straighten the pND pipe. Methods and recommendations.

One of the common materials used in the manufacture of polymer pipes is low pressure polyethylene. This material is available and has a low price. It is used when laying non.pressure sewer networks and pressure water supply systems. Often there are difficulties with straightening such pipes. we will talk about the most effective ways.

PNP pipes are of flexibility and strength, slight weight, so it is easy to work with them. The main advantages:

  • the material is not subject to decay, corrosion;
  • a long service life. at least 50 years;
  • do not crack at low temperatures;
  • are not afraid of fungi, bacteria;
  • environmental Safety;
  • can be used in the installation of water systems even in seismically active areas;
  • have a low cost;
  • simplicity of installation;
  • Several methods of connection are detachable and inexhaustible.

Features of low pressure polyethylene

Low pressure polyethylene is a high density polymer, which is produced by polymerization of ethylene in conditions of low pressure. It is characterized by low thermal conductivity, excellent wear resistance and sufficient tensile strength and clamping. Retains neutrality in relation to aggressive chemical environments, does not crack and does not destroy at temperatures from.60 ° C to 60 ° C. It is characterized by steam and liquid impermeability. It can be corrugated. Products from it have a life of about 50 years. The material is non.toxic and environmentally friendly, resistant to fatty substances.

PND is produced using three technologies (depending on the choice of the manufacturer):

  • Suspension polymerization. In this case, granules are used as raw materials, which are affected by suspension with chemical stabilizers. The mixture is constantly mixed, which creates a condition for a sustainable fusion of all components and maximum uniformity of the material without disadvantages.
  • Mortar polymerization. The process takes place at a temperature of 600C-1300C using a catalyst, which also provides a high degree of homogeneity of the mass, from which as a result a flexible material is obtained, easily restored after deformation.
  • Gas phase polymerization. This technology is almost not used at present, since the result is not of high quality. Its principle is that monomers are polymerized in the gas environment. The structure of the material is not uniform, and its wear resistance leaves much to be desired.

High.quality low.pressure polyethylene is characterized by reliable intermolecular bonds with low branchiness, therefore, it is characterized by high strength strength. It is important that when working with it, observance of precautions is not required. Although, during production, as a result of reactions between the elements of the compositions, waste is formed that are harmful to the ecology, therefore, they must be correctly disposed of in accordance with industry standards. The disposal of the used product from the polymer consists in its usual re.melting in recyclables and is performed without the need for additional components and complex technologies.

According to GOST 16338-85, which is currently currently from the moment of its approval in 1985 and relevant to international requirements, the PND must have a density of at least 0.93 g/cm3, the melting temperature of 1250s.1300C, resistance to destruction for bending should not be less than 19 MPa, resistance to destruction on a cut. at least 19 MPa, water absorption for a month should not exceed 0.04%.

Read also: How to cook plastic pipes

The permissible radius of bending

As we wrote above, PND pipe can be sold on coils, therefore, it is flexible, capable of taking different forms. For its deformation, for example, to lay the system bypassing obstacles, it is not necessary to use special equipment, but it is important to know the basic requirements and restrictions. One of these conditions is an indicator of the permissible bending radius.

Since this type of polyethylene is characterized by elasticity and at the same time retains strength, you can create different pipelines configurations, adhering to the recommended values ​​of the minimum bending radius. The indicator depends on the SDR and the laying temperature, since the thermal expansion leads to a change in the size of the system. There are special tables in which the maximum bend of the PND of the pipe is calculated taking into account the described conditions.

If there is a need to create a perfectly right angle, it is recommended to use the template. It is necessary to gradually warm up the fold section, the length of which should be six of its diameters. If this condition is not fulfilled, then the bending of the PND pipe by 90 degrees can violate the structure of the material, which will lead to premature wear of the system and its defects.

Melting temperature

The execution of the bending of a tube workpiece from different angles is carried out at high temperature conditions, which is important to maintain at a stable level. The minimum border is 1300C, and the maximum should remain at the mark of 1370C. This is the temperature necessary for melting the material. But already at 800C, softening begins.

Pipe Cutter: Professional tools for pipe. Tagliatubi Cortatubos By Ritmo S.P.A.

In order not to cut metal pipes or a sheet of iron in the eyes, some home builders use grinding machines to make home.made products, rigidly fixing them on a vertically installed spindle. When moving the tool from top to bottom, a stable uniform section of the part located under the disk occurs, if the metal guides are fixed on the machine bed, when applying the workpieces on them, any desired cutting angle can be obtained.

Cutting pipes of large diameter

The metal profile of large diameter has thick walls and a large weight, if for cutting thin.walled parts (wall thickness up to 2 mm) you can use thin discs in size about 1 mm, then 2 mm is taken for cutting thick.walled metal. Disk circles. Accordingly, it is more convenient to cut thick walls with a large diameter disk using a powerful large.scale construction grinding machine. Household appliances do not have enough power to quickly work, and their small discs are quickly polished.

When performing work, they are guided by the following rules:

  • When cutting heavy pipes, they should be placed on a flat surface or on low supports, so that when cutting the last section it does not change its position or does not fall, not allowing the cutting tool to compress its walls.
  • If the surface is flat, each line is completely cut, turning the part, with uneven support, the last jumpers are slightly cut off, which allows you to divide the workpiece under its own weight, after which the protruding area is crushed.
  • When working with a grinder for cutting heavy metal elements, it is necessary to use a protective coating. The probability of disk stratification into individual elements is too high.

Other tools for cutting plastic pipes

They are rarely used when there is no pipeline at hand:

  • Corner grinder. for cutting pipes, a cutting disk for metal will be required. The main point in the operation of the corner grinder is the exact regulation of the effort, it is impossible to crush too much on the tool.
  • Electricity is the most convenient way in the absence of special scissors. It is likely to get an oblique cut, so for greater accuracy during operation, the pipe must be turned several times.

What is categorically not recommended to cut pipes:

  • Ribbon saw. its blade moves too slowly and if it is not insufficient enough, the probability of damage to the internal diameter of the pipe is great, which leads to chips and cracks.
  • Circular machine. Since plastic pipes are flexible, pushing them into the machine often causes a pipe displacement and blow, which is dangerous for a person producing a cut.

How to cut pipes?

Installation of the water supply is not an easy matter. The difficulty is that you need to choose the right material from which pipes will be made. Today, metal.plastic, PVC and PNDs are installed along with steel analogues. Their cutting determines the quality of the compounds, so it is important that a competent approach to installation is chosen.

About steel analogues

If the angular grinder is chosen as the tool, then after the cutting is over, it is necessary to process the edges. For rough processing, you can also use a cutting saw, and for a more accurate. a file. Steel pipes are cut in different ways. Today, special machines are produced for these purposes, for example, an electric pipeline. With it, it is easy to cut products, while further processing will not be required.


These pipes are also recommended to be cut using a special machine. However, some professionals “do not like” special tools, preferring to work with a hacksaw. This approach is also permissible, but you must have experience. If it is not, then a pipeline or a special machine will help out.

What is bad poorly harsh? It is fraught with the fact that tightness is disturbed. Burnts will tear the gasket, besides, due to the uneven cut, it is poorly squeezed, which also leads to poor tightness.

Polyethylene pipes are unpretentious, however, special tools are also used to cut them.

  • Round cut. It is necessary for fast cutting. With its help, the formation of shavings is excluded.
  • Sekator. It is also needed for fast cutting, but the tool is used in the processing of thin.walled products.
  • Guillotine. Using the device, only those analogues are cut, the diameter of which is from 63 to 350 mm. With the help of guillotine, the formation of chips is excluded, the product is not deformed.
  • Pipeline. Allows you to cut products whose diameter varies from 3 to 27 mm.
  • Electric cutter. Actual, if necessary, make a perpendicular cut.
pond, pipe, polypropylene, pipes, diameter

To cut pipes made of polyethylene, it is not necessary to use scissors, especially since the corner grinder is not recommended, it is better to use professional tools.

Pipes made of this material are especially relevant in the installation of sewage. Their use is due to optimal technical characteristics. Cutting products can be carried out with a hacksaw, but in some cases special scissors are used. If a hacksaw is still chosen, then you should choose a canvas with very small teeth. Otherwise, large burrs will remain along the circle contour.

PVC pipe cutting is not always performed using special tools, however, these products must be brought manually if tools such as saw are used. Some masters use a thin cable, pulling it like a string. This allows you to make an even saw.

The right approach

If there are a pipeline or special scissors at hand, it is better to use these means. They are designed specifically for pipe cutting, so it turns out a good cut without burrs and chips. Even professionals strive to use these devices, since processing is carried out with their help quickly. Today a large selection of devices is made, it is enough to choose the one that is relevant.

How to cut copper, galvanized and stainless pipes

Metal pipes are best cut with roller cutter. The cut is even and with a small chamfer. I work with copper pipes most of all. I tie the heating boilers with them.

For cutting copper pipes I use a roller pipe cutter bison professional expert. He cuts quite accurately, while inexpensive. Spare blades are sold to it.

A friend bought a pipeline for 8 thousand, but there is no spare blades to him. And now he will have to buy a new pipeline. I am against this approach.

You need to buy the tools to which consumables are sold. And the blade is a consumable. How carefully do not work, the blade will sooner or later dull and it will need to be changed. I stopped at the bison pipeline and has never regretted it yet.

In addition to the main roller pipe cutter, I use a small pipeline craftul. It is needed when it is necessary to cut off the pipe in some kind of cramped place. This happens quite rarely, but still it happens.

Therefore, I have such a pipeline, but I use them a maximum of 10 times a year.

My set of cuts for pipes

I earn on the installation of heating and constantly cut the pipes with the following tools (inserted links to Yandex Market):

I also use any segmented diamond disk for a corner grinder for cutting large diameter plastic pipes. I don’t put a link to the disk, so you can buy it at any store. I buy the cheapest wheels 120-150 in Leroy Merlin and I have enough of them for a long time.

If you do not often cut the pipes, then it will be enough to buy scissors Rehau or Kraftool (choose that cheaper) and cutter bison expert. He already has a blade for plastic and metal pipes.

Briefly about the water disposal system

The sewage device is a description of all components and the principle of functioning of the system as a whole and by separate nodes. Divided:


  • Plumbing devices (sources of dirty water formation): toilet, bidet, washbasin (kitchen sink), bath (shower), washing and dishwasher.
  • Siphons and compound elements (transition couplings).
  • Diting pipes Ø 30-50mm. For the toilet 100mm.
  • Transition elements: fittings and couplings, check valve, audit.
  • The main riser is an element that collects in one sewer pipe, drains from all sources. The diameter of the collector should not be less than 100mm.

Installation of the sewage system indoors is regulated by regulatory documents: SNiP (sanitary norms and rules) 3.05.01–85 “Internal sanitary.technical systems”.


  • Stopping highway from pipes Ø 100-200mm (for individual housing).
  • Overflowing (observation) wells.
  • Clushes, fittings.
  • Stock receiver (cesspool, septic tank, station).

Sewer installation outside the building is regulated by SNiP 2.04.03–85 “Sewerage. External networks and structures “.

pond, pipe, polypropylene, pipes, diameter


Installation of internal sewage and outdoor highway is largely similar. Difference. in the materials used. For internal sewer systems, collectors painted in gray are used. The external ones have an orange shade. This is due to honors in external loads:

  • The products located indoors are affected by its own weight and, periodically, the load from the flowing liquid. Thermal heating is added to 60–90 ° C with a parallel chemical attack from the drains components.
  • Details located outside the building are subjected to:
      pressure from the mass of covering soil;
  • exposure to the weight of passing transport;
  • experience efforts from the buildings located on top;
  • subject to external temperature differences, from negative to positive.

Hence, the installation of internal sewage system is carried out with a predominance of polymeric materials:

The most in demand by PVC editions. Installation of internal collectors is carried out by joining the narrowed part of the pipe and expanded (bell). Additional elements are used. fittings (transition couplings, tees, squares with an angle of 45 ° and 90 °, bends).

Installation of sewer pipes is carried out with mandatory compliance with the angles of inclination:

In the process of installing or carrying out repair work, there is a need to cut a plastic part. Polymers do not differ in high hardness and strength, compared with metal products. Therefore, they are processed by most locksmith and mechanical tools. Cut the plastic pipe is possible through:

  • hacksaws for metal or with a small hardened tooth;
  • triangular file;
  • jigsaw (for diameters not exceeding 50mm);
  • circular or saber’s saw;
  • corner grinder and other tools.

The installation of sewage systems is carried out according to the rules based on the requirements of SP 30.13330.2012. In addition to compliance with slopes, it is necessary to correctly distribute the points of fasteners, connections. With technical capabilities, it is recommended to perform hidden wiring.

The installation of sewer pipes inside the room begins:

  • from the preparation of the work plan;
  • execution of a sketch or drawing;
  • determination of the necessary dimensions of the collector;
  • blanks of the necessary material;
  • preparation of the tool with which you can cut the plastic part.

At the end of the stage of installation work, the internal sewage device is visually checked. Further, it is necessary to shed the system with water in order to identify possible defects of products or the presence of leaks.

How to cut a polypropylene pipe if there are no scissors?

This cutter for polypropylene pipes can cut pipes with a diane of 63 to 350 mm. He has blades covered with Teflon, and they cut products at an angle of ninety degrees, while leaving a flat cut, without burrs.

For cutting plastic pipes, an angular grinder and a cutting disk for metal are used. When working, it is important to accurately regulate efforts and not put pressure on the tool too much.

How to cut reinforced polypropylene?

There are no special scissors, you need to cut off the polypropylene pipe (water supply) than cut it without scissors? manual scissors. The truth and the diameter of the pipes must be taken into account and the thickness of their walls. If the pipe is reinforced with aluminum, then the shaver must be purchased for scissors, if the reinforcement is made with fiberglass, the shaver is not needed.

The metal pipe can be cut with a hacksaw on metal. It is not expensive, sold in any household. store. In order for the cut to be even, you can wrap the pipe with a sheet of paper or newspaper as marking.