Seamless and electric-welded pipes made of galvanized and non-galvanized steel of various thicknesses and diameters, stainless steel pipes, steel, cast iron and brass fittings of various types (welded, threaded, collet) are distinguished by an affordable price and durability and satisfy any construction needs - from industrial to residential spheres. Transportation of coolant and heat supply distribution in residential buildings, municipal institutions, and office centers are traditionally carried out using metal pipelines. The flexibility of corrugated steel pipes and the tightness of welded fittings ensures the safety of communications.

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Features of using metal pipes in heating systems

Agree, there is nothing better when a comfortable microclimate is maintained in a house or apartment if the temperature outside is sub-zero. It all depends on the heating system. In particular, great attention should be paid to the autonomous heat source and the most important parts associated with it (heating boiler, radiators, pipes for transporting coolant). Also in this matter, shut-off and control valves for pipelines play an important role. But we will dwell in more detail on the pipes themselves.

So, the coolant is delivered to the radiators and circulates through the pipes. The most familiar option to many is a round metal pipe. It is durable and has a long service life. Galvanized pipes are less susceptible to rust, the inner walls are resistant to corrosion, they do not so often collect various impurities, causing the circulation pump to become clogged with dirt. Ordinary black steel pipes are very vulnerable to rust. But today it is not at all difficult to buy a galvanized, rust-resistant metal pipe. For large-scale work, it is convenient to immediately buy everything you need in bulk, having previously selected a reliable, honest supplier of high-quality parts. Without a doubt, the Santekhvoz company meets these requirements. We offer to buy in Moscow with delivery not only metal pipes for heating, but also steel and cast iron fittings.

Buy metal pipes for heating - Santekhvoz company

It is convenient to buy steel and metal pipes and fittings in bulk, so to speak, in one set. When you don’t have to worry that any part does not fit the thread or is completely incompatible with the pipe or radiator. Thus, the Santezvoz company offers to purchase in bulk all the necessary components strictly according to the specified characteristics; steel and cast iron fittings are certainly durable, capable of withstanding large pressure drops and high temperatures. There are no less reliable heating pipes available, which can be used in open spaces, are suitable for transporting coolants of different densities, and are used in both central heating systems and autonomous ones. Pipes and fittings for metal pipes are delivered throughout Russia. You can submit an application directly on the website by filling out the form in the “Contacts” section, or call us by phone (the number is listed in the same section).

Today, the market for plumbing materials is incredibly abundant. Despite the emergence of a mass of modern materials that meet all requirements, most owners still use metal pipes. The connection of these pipes is carried out using special devices - fittings. This article will discuss which fittings to choose for metal pipes.

The classification of fittings is as follows:

• Threaded;
• Crimping;
• Flanged;
• Welded (with smooth edges suitable for welding).

They differ in purpose, installation technology, dimensions and shapes, so it is impossible to say unequivocally which fittings are better. To understand how to choose steel pipe fittings for a specific situation, you need to look at each type in more detail.

Threaded fittings for metal pipes

High-strength metal is used to manufacture threaded fittings necessary for the installation of steel pipes for main water supply. A cylindrical thread is initially cut on the workpieces. To achieve tightness, the thread is sealed with a linen gasket treated with drying oil-based impregnation. Also, FUM tape or other materials that can now be purchased at any plumbing store can be used as a sealant.

The material for the manufacture of connecting fittings can be steel or cast iron. In accordance with the requirements, ready-made threaded fittings for metal pipes do not have inclusions of other substances or visually noticeable holes that arise due to improper technology for the production of metal products. This requirement is relevant for both external and internal surfaces of fittings. The standards also indicate that the ends of the shut-off valves must be located at a 90-degree angle relative to the axes of each passage.

Sometimes during production, the edges of the fittings are equipped with thick sides, which do not carry a functional load, but serve only as a decorative element. Steel shut-off valves do not have such an addition.

The nominal diameter of threaded fittings can vary from 8 to 100 mm. As a rule, this type of fitting is installed on water mains in which the operating temperature does not exceed 175 degrees and the upper pressure limit is 1.6 MPa.

The main advantage of a threaded connection, which distinguishes such fittings from other types, is the possibility of their disassembly: if necessary, you can easily dismantle the pipes without the cost of cutting equipment or hiring specialists (more details: ""). Most often, threaded fittings for steel pipes are installed in apartments, private houses and summer cottages, since it is in these cases that these devices fully justify their purpose.

Pipe Compression Fittings

Crimping fittings for steel pipes have many positive qualities, which is why they are used quite often. They are well suited for installing various communications in different conditions and do not lose their effectiveness depending on them. Compression fittings are installed mainly on indirect connections - and these are various angles, pipeline turns, connections of pipes of different diameters, branches and even direct connections of metals.

Due to this category of fittings, the disassembly of individual parts of the line is greatly simplified. Also, these devices are successfully used to achieve tightness and smooth installation of pipeline connections and pipe sections. Thanks to compression fittings, liquid leakage from the pipeline and various debris from entering it from the outside are prevented.

Steel compression fittings should not be used in all situations - but knowing their specifics, you can significantly increase the reliability of the pipeline and ensure its normal functioning. The operating conditions for this type of fitting are the same as the previous one - the temperature of the liquid in the pipeline should not exceed 175 degrees, and the operating pressure cannot be more than 1.6 MPa. Through pipes connected by compression fittings, gaseous substances, various solvents, water, oils and others can be transported.

Types of crimp fittings

For metal pipes, press fittings with one or two rings can be used. Press fittings are quite convenient, but they are pressed tightly against the pipes, so it will not be possible to disassemble them in the future, and the pipes will have to be cut out if replacement or repair is necessary. For this reason, compression fittings for metal pipes are used only in hard-to-reach places or for other specific reasons.

Compression fittings are designed with one or two ferrules that secure the device to the pipe without the need for a threaded or welded connection. The materials and characteristics of crimp rings may be different, but the requirements for them are the same - the ability to withstand a certain pressure and hold the pipes in a connected state for a long time.

Metal crimp fittings for steel pipes have many advantages in their arsenal:

• Complete sealing of the pipeline without the use of welding or other methods of connecting pipes;
• Possibility of repeated installation and dismantling;
• Reliable fixation of pipes throughout the entire period of operation;
• Ability to withstand vibration for a long time;
• Compression fittings are successfully used in high pressure equipment.

Types of fittings

Fittings can differ not only in design, but also in their purpose, depending on which the following types of devices can be distinguished:

1. Angle fittings. Such elements are used if it is necessary to rotate the pipeline at a certain angle. The use of corner fittings has significantly simplified the installation of pipes, because previously for these purposes it was necessary to use welding, which took much more time.
2. Straight couplings. These parts are used to connect two straight pipes. Direct couplings are characterized by their simple design and limited scope of application - in practice, such elements are only suitable if you need to change a section of pipe or establish a connection between two parts of a pipeline. Very often these couplings are the connecting element of a pipe and, for example, measuring equipment. Couplings are also needed for mounting products that have different diameters or different materials.
3. Tee fittings. The purpose of such fittings is encrypted in their name - tees have three branches for connecting three pipes. A standard metal pipe tee has a right angle or a 45-degree angle, allowing you to separate the pipes in the most convenient way. Tee fittings can be used to connect pipes of the same or different diameters.
4. Cross fittings. These fittings are a logical continuation of the theme of tees - the cross has four inlet holes and allows you to connect four metal pipes. All crosspiece outputs are located at an angle of 90 degrees relative to each other.

The use of different fittings can significantly simplify pipeline installation work without using welding or other special equipment for these purposes.

Conclusion

The choice of suitable fittings for specific conditions must be extremely competent and conscious. It would not be superfluous to consult with a specialist or seller. You also need to connect and understand your own experience - for example, high-quality fittings for metal pipes always have a smooth surface without defects, scratches or sagging. The correct choice of connecting devices will create a reliable pipeline that does not have flaws in the form of leaks.

brass fittings in Moscow

Brass fittings represent an extensive group of threaded fittings with a wide range of applications: they can be used in a wide variety of utility systems, in particular in heating and water supply networks. These fittings are compatible with copper, steel and other metal pipes.

Brass fittings can be yellow, without a special coating, or they can be galvanized, with a white metallic color. In stock our online store for plumbing fixtures You will find both the first and second types of brass fittings.

The use of brass fittings allows you to install water supply or heating networks of the most varied and complex configurations. The plugs, crosses, couplings, nipples, adapters, bends, connections, tees, angles, fittings and fittings presented in this section of our catalog are fittings produced by well-established manufacturers and with certificates of conformity. The use of these fittings allows you to create reliable tight connections pipes between each other and with various water-consuming devices.

Brass fittings are threaded, so two features that are characteristic of them should be noted. Firstly, the connections created on their basis are detachable, that is, the fitting can be reused after dismantling. Secondly, like all threaded connections, pipe connections with brass fittings must be sealed, for which it can be used

The main purpose of fittings is to connect pipes into a single continuous system that supplies the working medium in the required direction. Fittings include adapters, elbows, tees, plugs and other products. For steel pipes, parts made of identical material are used. For example, connecting elements made of steel grades AISI 304, 316 or 12Х18Н10Т are installed on food-grade stainless steel pipelines.

Fittings for metal pipes not only connect sections of pipelines, but also change direction, divide the flow into several parts, help reduce or increase the volume of transported liquid, or stop its movement.

Metal fittings are made by stamping from rolled sheets or finished pipes with mandatory machining of the pipes on a lathe. Parts are often subjected to subsequent galvanizing to extend service life and enhance anti-corrosion resistance.

There are several types of products based on the type of connection:

• Threaded steel fittings are attached to pipes using threads. This connection is removable, which increases its maintainability. The thread on the part can be cylindrical or conical (for imported products). The main application is water supply and consumer gas pipelines;
• another collapsible connection - a flange element used for attaching shut-off valves, radiators and convectors, and measuring instruments to the main line;
• One-piece crimp fitting is installed on high-pressure pipelines;
• The steel weld fitting is tightly welded to the pipe, which complicates the repair of this section, but ensures a reliable and durable connection.

Commercial offer from Trubmarket

Our company offers interested organizations and individuals to buy a wide range of steel fittings at the best price in the region. We sell certified domestic and imported goods that meet established standards.

Our consultants will help you select parts according to specifications. Orders are shipped on the day payment is received, regardless of the calendar day or time of day. Delivery is carried out by transport companies. The type of transport is chosen by the customer.