Manifold. What are distribution manifolds

Any system of heating apartments or residential house will operate properly, if you establish this process and to make it really even on their own. However, the question everyone tends to decide differently. The most popular way to achieve productive operation of a heating system is the use of distribution manifolds, their primary function is in the proportional distribution of flows allocated coolants. This technology has many features and benefits. About them and will be discussed below. It is noteworthy that to establish the work system independently, and to make manifold.

Description

In General, a manifold is a metal comb that has many insights, they are intended for the connection of heating appliances at home, as well as to control the volume temperature and pressure of the water supply. The device centrally controls heating processes in a separate room of the living space. This element of the system can be adapted to radiators, warm floor, panel heaters and methods of heating.

The Device has two interrelated parts, which are combined into one unit. The first of these – this is the feed manifold, while the second – return. The first is aimed at controlling the coolant supply to the current circuits, if necessary, to block the valves.

The Need

Return collector required for proportional heating, which is provided by the method of balancing the pressure level in the branches.

Manifold is installed on each floor, if we are talking about large private construction. The system is very convenient, because it can help to regulate the temperature not only on each floor, but in every room. And if repairs will be enough to turn off just one circuit, while the rest of the house will not be deprived of heating.

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What are collectors

Special variations of the above described equipment does not exist, while the differences depend on the material basis of the number of circuits and integrated ancillary devices. The manufacture of combs can be adjusted when using resistant to external negative factors of the materials, the functionality and complexity of the equipment may be quite different.

Given the above, we can distinguish the following types of headers:

• Brass.
• Polymeric;
• Copper;
• Steel.

The Number of circuits can vary from 2 to 12 pieces. With the increase of the heating equipment you can easily add the missing outlines to the overall system. The level of complexity of the design may be different, therefore, should be made more simple, as well as improved distribution and combs. First you do not have accessory parts for adjusting the operation of the device, while the second has built-in controls, lots of rebar, special sensors and automation. The easiest option of the collector is a tube with some branches and a pair of connecting holes on the sides.

Complex headers

If we are talking about more complex model, it can be equipped with:

• Sensors;
• Control units;
• Automatic thermostats;
• Electronic faucets;
• Valves;
• Automatic air release devices;
• A valve to drain the water.

Sensors are needed to account for pressure level and temperature. With the help of the control units is fed coolant, and that automatic thermostats maintain a certain level of pressure in the system, while when exceeding the permissible values, they decrease it. Pre-programmed temperature is maintained with the help of electronic faucets and valves.

Fabrication manifold

The Comb distribution (manifold) can be performed by yourself. First we need to plan everything, but you should first determine the components of the heating system. It is important to know the number of circuits, the number of heating equipment, as well as the amount of additional equipment. Regarding the first factor you should know, which will be directed coolant. If we are talking about heating equipment, it is necessary to determine its power, water temperature, etc. in addition, if in the future we plan to integrate heating elements, it is best to consider everything in advance, this applies to heat pumps and solar panels.

You have to count the number of equipment-type valves, storage tanks, valves, pumps, pressure gauges, thermometers and other things. You can run a brush for the water. Manifold should start to produce only after determining the device design. It is important to consider where to place each circuit, and which side youit let you down. Experts advise to pay attention to the nuances of connection. For example, an electric or gas boilers are connected from the bottom or from the top to the manifold. If the system has a circulation pump, the connection is only from the end of a comb. As for solid fuel units and the boilers of indirect heating, the frame is made solely from the end. But the pitcher contours to hit top or bottom.

Expert advice

The Distance between pipes of the circuit and the return flow must be in the range of 10 to 20 cm Increase or decrease this value is not necessary, as the service will be accompanied by difficulties. In this range it is necessary to have two compartments: the return line and flow.

Method of making

If you mount the manifold, the compartments of the return and the filing must be made from square tubes and round cross section. Some experts prefer the first option because it is easier to operate. It is important to observe the sequence of activities, it provides for the preparation of relevant materials, which should be connected according to the drawing using the welder. The joints must be cleaned with steel brush, if necessary – to degrease.

The Finished device should be tested for leaks, for which all connections are well closed, and left only one. It should pour hot water. Manifold is correct, if none of the joints are not leaking. In the next stage, the manifold is painted and left to dry. The connection of all pipe systems shall be conducted in the next phase, as the installation of valves. Some wonder, wouldn't it be easier to buy the ready device. As practice shows, not always such choice for a certain heating system. Sometimes you have to align the thermal performance. For example, some resort to the decision of the extra comb. This becomes a source of costs and creates unnecessary workload.

Location

Manifold for Underfloor heating can be installed on every floor in this case is mounted a special manifold block. This is usually a niche in the wall, which is at some distance from the floor. The niche should be located in the premises, conditions which are not accompanied by increased moisture. The device may be arranged on the wall, if we are talking about the back room. For this purpose, and collector cabinets for heating. Usually they are made of metal and provided with a door and a swage line, which is necessary for the liner pipes in the side walls. Inside can be mounting for the block header. Sometimes the Cabinet is recessed or overlay.

Price collectors

The Collector junction (2 circuit) may have a different value, but if we are talking about the manufacturer Rehau, then he will have to pay 5500 RUB. these devices are Intended for radiator heating systems. If the core is stainless steel, the equipment will cost more for such a model in 2 loops will give you 7300 RUB Distribution header (3 circuits) will be 5200 rubles., in this case we are talking about the same company.

And if you are interested in model HLV 3, then you should know about some of its characteristics. These devices are equipped with valves and ball valves are intended for radiator wiring. Covering the body does not have, as the material used is brass. This manifold is tested in the manufacturing process under high pressure and comprises two distribution tubes whose diameter is 1 inch. The connection is possible from both sides.

If you are interested in manifold HKV, then you should know that this device is a machine with adjusting valves. It is intended for Underfloor heating and has two outputs. The base is stainless steel, not suitable. Brackets are galvanized and are Soundproofed, and the feed line is equipped with regulation valves. Such a manifold distribution of the water taps equipped, so they will not have to buy extra.

What manifold to choose

As practice shows, a wide range of collectors represented company Oventrop. The equipment of this company can be designed for any kind of heat source, the device can have a pump. Output tube and a comb collectors Oventrop are not made of plastic and stainless steel, this eliminates deformation of the elements when exposed to high temperatures. Ball valves, seal valves and nuts are made of corrosion resistant brass, this greatly extends the life of headers.

Conclusion

If you don't want to spend money on heating non-residential premises, then you need to purchase a manifold. Rehau and many other companies today, offers such a device. Make the right choice, please read characteristics and prices, but if you don't want to spend money, this unit can be run independently.