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  Rifar monolith sections calculation. Rifar Radiators

Domestic aluminum and bimetallic radiators Rifar - this is the best solution when choosing equipment for heating a private and multi-apartment building. Thanks to the unique internal deviceprovides high tightness, resistance to water hammer and high pressure in the system.

Who produces Rifar brand radiators

Rifar company is a domestic manufacturer of heating systems. On the basis of the Rifar enterprise, a unique radiator design has been developed that provides maximum heat transfer and low inertia.

When manufacturing and developing products, the manufacturer primarily focuses on domestic operating conditions. As a result, it was possible to develop a design that is resistant to the aggressive environment of the coolant, sharp pressure surges.

One of the achievements of Rifar is the production of radiators made with a radius of curvature, which makes it possible to fulfill the most complex technical and design decisions.

The main policy of Rifar has been and remains the development of heating systems that are not inferior in quality to the samples made by leading European manufacturers, but at the same time adapted to more severe domestic conditions.

Types of Rifar heating batteries

Rifar company produces sectional and monolithic heating radiators. The consumer is offered more than 10 different modifications of equipment.

The following battery models are popular:

  • Base - bimetallic radiators with a center distance of 200, 350 and 500 mm. A design feature is the use of a special silicone gasket that provides maximum protection against leaks. Rifar Base uses a steel core. The model is optimally suited for non-insulated and large areas.
  •   Forza - sectional bimetal battery. Available in pre-assembled form, from 4 to 12 sections. A design feature is the presence of a surface covering the rear of the heating radiator. The Rifar Forza model is sensitive to the quality of the coolant. Therefore, it is recommended to connect the batteries to autonomous heating systems.
  •   Alp - a feature of the model is a small radiator depth of only 75 mm. Suitable for heating residential and industrial premises, which are covered by SNiP 41-01-2003, with respect to the fact that the length of the heating device must be at least 75% of the light opening. The maximum length of the sections is 14. The dimensions of the Rifar Alp radiators allow installation even in rooms with wide window openings.
  •   Monolit - Russian monolithic bimetallic radiators Rifar are represented by this modification. A feature of the product is the use as a core of steel, with increased corrosion resistance. In the manufacture of the heating device uses a unique welding technology that eliminates the occurrence of leaks. A non-separable design is used. The manufacturer gives a guarantee on the Monolit model for 25 years.
  •   Alum - aluminum radiators  for Rifar liquid heating systems, designed for operation with any type of coolant, including antifreeze. The sections have an improved geometry that ensures the operability of the device even at a pressure in the system of 20 atm., And also contributes to a high speed of circulation of the coolant. As a result of design decisions at Rifar Alum, the service life has significantly increased (25 years). Protection against internal deposits was provided.
  •   Base Flex - a feature of the modification is the presence of a radius of curvature. You can install bimetallic radiators on convex or concave walls. The minimum radius of curvature is 1450 mm. At the same time, Rifar Base Flex fully preserves the thermal characteristics. It is made to order.
  • Alum Flex - aluminum sectional heating device, with the possibility of installation on curved walls. Preserves the technical and operational characteristics of the Alum models. Recommended coolant for Rifar batteries according to the rules of technical operation clause 4.8 СО 153 - 34.20.501 - 2003 specially prepared distilled water. Use of antifreeze is allowed. Rifar Alum Flex is ideal for rooms with curved or concave walls.
  • Ventil Flex - the advantage of systems is the possibility of lower connection of radiators, which is especially important if high demands are placed on the room regarding aesthetic design. Rifar Ventil Flex has a depth of 90-100 mm, the maximum heat transfer section of 204 watts.
  • Base Ventil - domestic sectional bimetallic radiators of water heating Rifar with bottom connection. Bimetal sectional model with steel core. The lower connection unit has a standard center distance of 50 mm, designed for single-pipe and two-pipe heating systems.
    Rifar Base Ventil can also be connected using single connection valves. The model is available on request. The number of sections varies from 4 to 12.
  • Alum Ventil - as advantages it is possible to allocate high tightness and protection of a design against leakage. The sections of the Rifar aluminum heating battery use an oval vertical duct. The minimum wall thickness of the Rifar Alum Ventil section is 2.8 mm, which is sufficient to maintain operability at a pressure of 20 atm.
    Rifar aluminum radiators with bottom connection are equipped with a lower connection unit and a thermostatic valve for adjusting the intensity of the heating process.
  • Monolit Ventil - monolithic radiator Rifar, with the possibility of lower connection. A design feature is the use of a single, non-separable structure as a steel core. There are no areas in Monolit Ventil with the potential for leaks. Warranty period of operation is 25 years. The installation kit includes an upper and lower flow distributor, a valve for changing the temperature, plugs and a Mayevsky tap.
  • Flex Ventil is a model assembled from the Base and Alum sections. A curved construction is used. The heat dissipation of each section of radiators with a lower connection is identical to that of conventional models. Flex Ventil is available exclusively on request. Bending radius may vary, depending on technical specifications  premises.
All radiators are produced at the factory, all units are tested there. The products are put under warranty, and also insured by the company Ingosstrakh IJSC.

The installation of Rifar color radiators is gaining popularity. All the modifications described above are traditionally offered both in white and in almost any shade according to the RAL 9016 catalog.

Which Rifar radiators are better

When choosing heating radiators, one should be guided by some technical characteristics and operation parameters of both heating appliances and the room itself. Which batteries are better?

What rooms are suitable for bimetal heating radiators

Technical characteristics of Rifar bimetal heating radiators make optimal operation of devices in systems with forced circulation of the coolant. Models have high heat dissipation and long life. Intended for installation in high-rise buildings with more than 9 floors.

The advantages of bimetallic models are:

  • High tightness - intersectional connections are carried out using a special polyurethane sleeve, ensuring maximum assembly quality.
  • Thermal performance - one section of the radiator has a capacity of 104, 136, 204 watts. The maximum height is 570 mm. Batteries have from 4 to 12 sections. The maximum heating area of \u200b\u200bthe radiator is 24 m².
Also, bimetallic radiators have proven themselves when used in the Far North. Warranty covers the first 10 years. Service life not less than 25 years.

Monolithic batteries

They are the most reliable heating systems. Working pressure is 100 atm., The most admissible 150 atm. Monolithic heaters are recommended to be installed in living rooms, medical and kindergartens.

The maximum heat transfer is ensured by the optimal ratio of radiation and convective component. The thermal power of the section is slightly lower than that of conventional Rifar bimetallic models.

The advantage of monolithic radiators is:

  • Connection pipe diameter - models have standard ½ and ¾ threaded connections, which helps to do without adapters when connecting.
  • Maximum heating temperature - the steel core withstands a heating temperature of up to 135 ° C.
  • Tightness - in the production of the core using a special method of laser welding. The result is a high tightness of the heating device.
  • Standard number of sections - the performance of radiators cannot be increased by connecting new sections. The consumer is offered an already equipped battery, which somewhat reduces the usability.
Monolithic heating appliances are impractical to connect to the autonomous heating of a private house. Optimal is the connection to central heating systems.

Aluminum models - the best solution for a private home

Heating batteries made of aluminum can be connected to autonomous and centralized heating systems. The most admissible pressure is 20 atm.

Alum models have the following characteristics:

  • Battery capacity - each section holds 0.19-0.27 m³. The weight of the section filled with coolant is 1.2-1.45 kg.
  • The geometry of the section has an oval shape to increase the speed of circulation of the coolant. Aluminum has a minimum hydraulic resistance.
    To close the technological holes of the lower part of each section, end caps are provided. All together - this provides high tightness and good heat transfer characteristics.
Aluminum radiators are installed in systems that use antifreeze and other non-freezing liquids as a coolant. Batteries are ideal for heating a private home.

Rifar Battery Connection Options

Rifar batteries are designed for side and bottom connection to heating systems. Each method has its own advantages.

The methods for connecting Rifar heating radiators directly depend on the selected model. Accessories for installation are included in the basic package of the radiator. Shut-off and control valves, adapters are purchased separately.

Rifar is a Russian manufacturer of high-tech heating radiators. The products of this company are not only distinguished by their proper quality, but also have high technical and operational characteristics. However, whatever characteristics and quality heating devices have, for the device effective system  heating in a single room or a whole house is impossible to do without preliminary calculations.

Installing heating batteries, the instruction of which will be described in this article, always begins with the selection of equipment suitable for the parameters. The purpose of the calculations is precisely to derive the optimal formula, according to which all further actions for the installation of the heating system will be carried out.

At first glance, calculating Rifar radiators may seem like a complicated process, but it is not. As input values, it is necessary to use only the parameters of the room and the power of the heater. Calculation, in turn, can be done in two ways. The first way as the values \u200b\u200bof the parameters of the premises involves the use of its area, the second - volume. Consider both options.

Rifar batteries: calculation by area

As an example, let's take one of the most common battery models - Rifar Monolit 500. We will calculate for indoor areas, albeit 23 sq.m.

These radiators are an all-metal construction with a different number of sections (depending on the model) - from 4 to 14 units. They are approved for use both in autonomous and in central heating systems.

To calculate the number of sections Rifar Monolith 500, first you need to refer to the radiator's passport. It should indicate the technical characteristics of one section of the device, we are only interested in the parameter of the nominal heat flux (i.e. power). In this case, it is - 196 watts. There is one unspoken rule according to which 1 sq. A room meter requires approximately 90-100 watts of power for heating. To calculate the total number of required sections for heating, the room area is multiplied by 100, and then the resulting value is divided by the power of one section, i.e.: X \u003d S * 100 / W_ sections

In our case, this is: 23 * 100/196 ≈ 11.73

As a result, we have a value of 11.73, i.e. for heating a room with an area of \u200b\u200b23 square meters. meters will require the use of a 12-section (preferably up) radiator. This value should be slightly increased if the calculation is made for end or corner rooms. To do this, the result is multiplied by a factor of 1.1 to 1.3. You can take the average value, i.e. 1,2. As a result, we get: 11.73 * 1.2 \u003d 14.07 - just as many sections will be needed to heat the end or corner room.

Rifar Monolith: instructions for calculating the volume of a room

The above calculation method is optimal for rooms with a standard ceiling height of 3m. For rooms with a ceiling of a different height, the volume calculation formula is used. As in the previous case, there is an unwritten rule according to which 1 cubic meter of a room requires a power of 39 - 41W for heating.


Take, for example, a room of 20 square meters. meters and a ceiling height of 3.30m. To calculate the total power of all sections for heating a given room, it is necessary to multiply the area by height (so we know the volume), then multiply the result by 40 (the average power for heating is 1 cubic meter). It remains to divide the result by the power of one section of the battery. The formula is as follows: X \u003d S * h 40 / W_sections

Total: X \u003d 20 * 3.3 40 / 196≈11.46

Thus, according to the calculation of the sections of the Rifar Monolith 500 battery according to the volume of the room, the use of a 12-section radiator will be required.

Schemes for connecting radiators

After carrying out the calculations, it is necessary to determine the scheme for connecting radiators to the pipeline. Currently 3 schemes are actively used - it is one-sided, lower and diagonal. Rifar radiators can be connected in any of the schemes.

Single sided

This connection scheme Rifar Monolith involves the supply of pipes of inflow and removal (return) of hot water to one side of the radiator. To achieve maximum heat transfer, the supply pipe is connected to the upper pipe, and the return pipe to the lower pipe. Otherwise, the total power of the radiator drops by an average of 10%.

Diagonal


This connection scheme is optimal for large radiators. Here, it is assumed that the supply pipe is connected to one side of the battery, and the return pipe to the opposite. Maximum heat transfer can also be achieved by connecting the inflow pipe to the upper pipe, and the outflow pipe to the lower pipe.

In rooms where the pipeline is laid under the surface of the finishing floor, the lower connection diagram is used. Rifar with a lower connection involves the supply of a supply and outlet pipe to the lower radiator pipes located on opposite sides. Such a scheme has higher aesthetic qualities (since the pipeline is hidden under the floor surface), however, in terms of heating efficiency, it is inferior to the one-sided and diagonal type by about 10-15%.

Rifar radiator options

Rifar manufactures several varieties of radiators in a wide range. The equipment varies in technical characteristics and design features. Therefore, buyers always have the opportunity to choose the necessary model of heating radiators for their purposes. The entire range of Rifar-supplied radiators can be divided into two large categories - sectional and monolithic.


Unlike monolithic types, sectional batteries are completely collapsible designs. At any time, an additional section can be connected to such a radiator in order to increase the heating efficiency or, conversely, disconnect one of them to reduce the power. Rifar sectional radiators are further divided into:

  • Bimetallic - batteries, in the design of which both metal and polymer parts are used. Rifar radiators are assembled from steel sections coated with plastic; silicone gaskets serve as intersection sealing parts. Bimetal batteries are represented by Base, Alp and Forza models. Designed for installation, both in individual (autonomous) and central heating systems
  • Aluminum radiators (lineup - Alum). They are used only in autonomous heating systems or as an electric type oil cooler. The batteries are made of lightweight and durable aluminum-magnesium alloy and coated with a polymer composition. Such radiators are less susceptible to corrosion and the negative effects of aggressive fluids.


Rifar radiators with a radius of curvature, designed for installation in rooms with concave or convex walls, belong to a separate category - these are the models Base flex, Alum flex and Ventil Flex. Bottom-connected models are also available (Base Ventil, Flex Ventil, Monolit Ventil and Alum Ventil).

Rifar also produces all the necessary accessories for the installation and ease of use of heating radiators. These are brackets, and connecting nodes, and plugs, and faucets, and regulators of heating batteries - installation instructions for any of the parts, like the radiator itself, can be found on our website.

Still have questions? Call or write to us!

Having set a goal to choose high-quality, the first thing you will find is a large assortment of multi-format products on the market. How not to get confused and buy really worthwhile equipment? Only by studying the offers of the most trusted manufacturers. That is why today we offer to discover Rifar radiators. To your attention the technical features of three popular series of Russian products - Monolit, Forza and Base, as well as reviews of experts and customers about the radiators in question.

Monolit

A series of advanced bimetal heating radiators that can withstand any harsh operating conditions. The manufacturer claims that the devices are designed to operate at temperatures even up to 135 degrees.

Monolit is perhaps the most sought-after Rifar product line, which has won recognition due to its high technical performance. Externally, the radiators of this series are not much different from traditional heating appliances, but the main feature of the products lies inside: here, the coolant moves through an integral, non-separable system of steel channels designed using unique welding technologies. Such a design of the radiator completely eliminates the occurrence of equipment leaks and guarantees uninterrupted heating.


Monolit Radiator

But the advantages of Monolit radiators do not end there. Also among the notable advantages:

  • increased anti-corrosion qualities - channels for the movement of the coolant are made of special steel with an anti-corrosion coating;
  • maximum heat transfer - is achieved due to the complicated geometry of heat exchange surfaces;
  • complete independence from the type of coolant;
  • the possibility of using non-freezing coolants of any type;
  • lack of any joints between sections;
  • high strength - the device can withstand a nominal pressure of up to 100 atm;
  • warranty from the manufacturer - 25 years.

Tip. Monolit is a suitable option for those who cannot or do not want to deal with all kinds of adapters when installing radiators: devices of this line are connected according to the standard G1 / 2 or G3 / 4 circuit without transition devices.

Forza

A series of relatively budget medium-power radiators Rifar. Depending on the distance between the axles, the models in this series can be of three types:

  1. B200 - radiators with a center distance of 200 mm. They have a closed rear section - due to such a design feature, the batteries are perfectly combined with the French windows that are demanding in terms of interior aesthetics.
  2. B350 - batteries with a center distance of 350 mm. Often used in rooms with certain height restrictions in the installation area - such bimetal radiators allow you to keep the style of space unchanged.
  3. B500 - the most powerful models in the series with a center distance of 500 mm. Ideal for large areas with poor thermal insulation - these high-performance batteries can provide high-quality heating even in such difficult conditions.

Radiators are designed for uninterrupted operation at temperatures up to 135 degrees and are able to withstand pressure up to 20 atm.


Radiator Forza

In the work of Forza radiators, the main focus is on the maximum allowable heat flow of one section: for models with interaxial spaces of 200 mm and 350 mm, this value is 136 watts, for 500 mm - 200 watts. The warranty from the manufacturer is 15 years.

Base

Another popular Rifar series, presented, like the previous line, with three bimetallic models with different overall dimensions and center distances:

  • B200.
  • B350.
  • B500.

All three radiators can be either a basic version or a special one - in the Flex or Ventil version.


Radiator Base

Base Flex - bimetallic batteries with a certain radius of curvature. Curved models can be installed against a wall with a radius of at least 1450 mm. The company produces appliances for both convex and curved working walls. Through the use of innovative Flex technologies, the consumer gets great opportunities in terms of choosing the dimensions and appearance of Base devices.

Important! The curved Base Flex models are not inferior to the basic devices in terms of thermal performance - even after complex manipulations with the shape and size, they retain the operational characteristics of the original product to the fullest extent possible.

Base Ventil - batteries designed to be connected to a heating system with a lower coolant outlet. In this case, the role of the connecting fittings is either a conventional lower unit with an interaxial distance of 50 m, or a single valve corresponding to the type and configuration of a particular heating system.

The maximum heat flow per radiator section depends on the center distance: 200 mm - 104 watts, 350 mm - 136 watts, 500 mm - 204 watts. The batteries operate at temperatures up to 135 degrees and withstand atmospheric pressure up to 20 atm. Models can be produced with a different number of sections - from 4 to 14. Warranty from the manufacturer for all radiators of the Base range - 10 years.

Here are three popular Rifar radiator series, featuring a whole range of technical specifications. It is up to you to decide which battery to choose for your heating system - Monolit, Forza or Base - but, making such an important decision, do not forget about the above-mentioned product features and be sure to focus on customer and specialist reviews about it.

Rifar radiator production: video

Radiators Rifar: photos











At the stage of building a house or repairing a heating system, the question arises of a proper and competent organization. Incorrect installation leads to emergency situations and extra cash costs. Especially, this must be taken into account in the winter, when you can freeze in an apartment, and pipes in such a house can burst from such changes. First you need to determine the area of \u200b\u200bheating, the number of windows, the height of the ceilings.

The procedure for calculating sections Rifar Monolith.

The radiator manual contains a description of all technical parameters. Most residents know the formula: per 1 sq.m. 90-100 watts needed. An example is the calculation of Rifar Base 500 heating radiators, a room measuring 20 square meters. m. The power of one section of the radiator is 204 watts. Applying our formula, we get: 20x100 / 204 \u003d 9.8. This figure means that for a room of 20 sq.m. 10 sections of a radiator are required. This calculation is made taking into account: one doorway, window, external wall. In the case of end or corner living spaces, this result should be multiplied by 1 or 1.3. So for a corner room with the same area, we make the following calculation: 9.8 x1.2 \u003d 11.76, that is, 12 sections will be required.



 


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