Installation of metal heating pipe : steel pipes

Steel pipe heating: the benefits

Most heating networks in older homes are served by pipelines of common steel, moreover, in almost half of modern heating systems in residential and industrial use, this "rare" material.What is it like to designers and builders are not the most comfortable in the installing steel pipes and end users - do not always ideal performance characteristics of metal pipelines.

We will not dwell separately on the technological properties of various products of metal pipes for heating assortment, but simply denote significant for installation and maintenance work times and start, of course, positive.

1. Steel pipes in any version (galvanized, stainless steel) have a very low coefficient of linear thermal expansion in the range of 0.012 mm / mK.In practice this means that for equal thermal loads in the heating system of metal pipes made of steel plastic give odds about 5 times, i.e.longitudinal deformation of the pipeline will be minimal.
2. high thermal conductivity can be attributed more to the merits of the material (heat loss in the supply reservoirs - is, of course, bad, but more residential heating area of ​​the risers - very good).
3. mechanical strength.With proper installation of galvanized steel pipes in the heating networks are able to withstand test pressure up to 40 atm., It is not always possible to make their plastic counterparts, having comparable geometrical parameters.
4. affordable price in the category of galvanized products, comparable to the value of the pipe metal structures.Black steel, is still used in the wiring external networks, has no equal in terms of efficiency.
5. Ease of installation of metal pipes of steel heating.If you have the necessary tools and specific skills is really quite simple, that confirms the following video.

Metal pipes of steel: it is necessary to take into account

no fly in the ointment here, it is impossible to manage.Building materials is not without drawbacks, and steel pipes in all pipeline systems (heating wiring especially) are working on the wear and tear in the literal sense of the word.Mechanical abrasion, corrosion, deposits on the internal surfaces of the porous, as a result of operation on the lower classes of metal term strength of 15-20 years.

• Installation of metal heating pipes suggests that they need to work in normal conditions in accordance with GOST 3262-75, but who and when they comply.Racing temperature and coolant pressure in the heating system leads to rapid corrosion and mechanical wear of internal surfaces and cracking fittings.
• Steel structures have a high electrical conductivity, theoretically, your neighbors can be grounded on the riser their appliances, and you decide to touch the radiator ...
• high proportion.In this component, metal products completely lose polypropylene pipes, steel pipe networks so less frequently found in areas of private buildings.

heating pipe installation features steel

All lead-main pipelines of central heating systems, as a rule, are made of black steel.Assembling the pieces of such networks is done by electric welding, and the quality of work you will be judged by the frequency of accidents in heating their homes.Using "blackie" in intra-house wiring have become exotic.

Cook galvanized steel construction of pipelines in the same GOST 3262-75 is not recommended.Calibrated connecting elements (couplings, elbows, tees, etc.) Are equipped with a standard thread.To replace the old and installing the new heating network, you can buy a tube segments of desired length and make your own by cutting the right fitting (chaser and gripe into your hands) or simply dial the desired finished moldings with carving.

For information : the price of galvanized water and gas supply (by classification) of steel pipes used in heating circuits, are as follows:. 20h2,8 (diameter, wall thickness) - 46 rubles, 32h3,2 - 80. Compared with plastic savings optiontwice.Something to think about.