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    Industry News   Newboneng Electric Boiler >>Industry News

Radiator knowledge and purchase guide

One, to distinguish between the material properties
1, the traditional radiator
Traditional heating radiators, cast iron radiators, panel radiators, for a typical representative of the history of our country has been a century, due to its production process, high energy consumption and serious environmental pollution, low thermal efficiency, heat slowly, look clumsy , bulky and has become a dead space of the home improvement and renovation of many families, had a cast iron radiator "package" together, so that although the "cover" the "ugly", but a series of questions: First, space; is easy to form the health corners; poor durability of the "packaging" of the radiator materials a long time easy to deform. The above-mentioned shortcomings of traditional cast iron heating radiator, the state departments concerned have explicitly limit the production and use of traditional cast iron radiator.
2, a new radiator
New heating radiator, by product shape characteristics are divided into different materials into radiator, aluminum radiator, copper radiator, copper and aluminum radiator, aluminum compound radiator, stainless steel radiator, etc.; column radiator two column, three column, four-poster, pipe radiator single row tube, double tube, fin radiator double wing, single-sided fins, finned radiator ring fin square fins, the heat dissipation into radiation radiator, convector radiator. New heating radiator is the steel column radiator, steel pipe radiators, aluminum airfoil radiator, copper and aluminum composite airfoil radiator.
Due to its characteristics of aluminum alloy materials, acid, oxidation resistance, but prone to alkaline corrosion; steel high strength, ability of certain alkaline, but prone to oxidation and corrosion; copper corrosion resistance and comprehensive performance is better, but the sulfide in the water too much or copper would be corrosion, and the mechanical strength of copper low. National requirements for aluminum alloy radiator and wall thickness below 2.5mm steel radiator, must carry out the internal corrosion prevention treatment, coating anti-corrosion coating of aluminum alloy radiator, and must use special non-metallic or double metal composite pipe, shall not make aluminum thread directly connected with the steel tube, preventing electrochemical corrosion.

Two, understand the heating system

City wide variety of central heating, central heating stations, domestic hot water center, power plant waste heat heating, open to non-pressure boiler heating, making the urban heating hot water, water quality vary greatly, and some high oxygen content, and some water acidic, alkaline and some water quality. So before you buy radiator to the heating unit or residential property units for the district heating system is in what form and decided to buy what the material of the radiator according to their quality characteristics.
In general, the radiator can not be used in the open without pressure boiler or steam heating system; aluminum radiators, heating or steam heating systems used in water PH value; brass aluminum fin copper and aluminum composite radiator no special requirements on water quality, but the installation should be taken to avoid header brass wing column brass interface is too large torque.
In addition to the understanding of the district heating system, but also to obtain a replacement license of the title to the property management department, because some residential is not allowed to replace the radiator, some district only allows the material with the provisions of the radiator.

Three, to estimate the heating requirement

Usually the house should be installed more complex calculation of how many watts of heat sink, but can be 45-70 watts / square meter estimate. Should also be considered in estimating the buildings or bungalows, top or bottom, end or middle of the North or South, the city or outside the city, wall insulation and other factors. Calculate the size of the heat dissipation, then the appropriate an additional 10-20% of the amount of surplus. In addition, the consumer shall be provided with the caliber of the heating system interface, and out of the water-saving methods and other basic data.


Four, to identify internal coating

At present, radiator sales staff described themselves as "anti-corrosion, and offers a variety of certification so that consumers confused. But many manufacturers in order to save costs, and to cut within the coating some of the processing chain, mainly the surface treatment, the coating thickness is not standard, therefore, currently on the market do a lot of the radiator coated in hot water giving rise to a large area of ​​blistering, the coating was peeling, radiator substrate rust, can imagine its corrosion resistance, how will last about five days. Therefore, consumers in the purchase of anti-corrosion type radiator carefully chosen not to rely on the business of publicity, can be hand touch within a watercourse inspection and view the anti-corrosion test report to the comprehensive judgment.
Selection of steel and aluminum radiators, anti-corrosion performance is the key. Consumer choice, to see whether it is professional anti-corrosion, but not with price theory, too cheap radiator anti-corrosion layer quality. The general formal brand radiator anti-corrosion materials is high hit, no dead angle, bubbles, good corrosion resistance.

The inner coating is manually filling in, the dead angle exists, bubble, corrosion resistance difference.

Five, selection of high quality accessories

Radiator parts quality problems and installation material quality problem is one of the main reasons leading to heating water leakage. Shijiazhuang currently has some faulty plumbing parts distribution center, some businesses in order to save the cost of procurement of inferior, plumbing fittings, which can cause heating water leakage, resulting economic losses to consumers. So, should be to the regular market selection of national quality plumbing accessories.

Aluminum plastic composite pipe is generally used in the radiator pipe, aluminum-plastic composite pipe aluminum layer are lap joint and butt joint two, overlapping is generally superior to the docking, docking aluminum layer because of poor pressure resistance, is lapped and docking from aluminum-plastic composite pipe section observation.

Six, pay attention to welding quality

Different parts of the radiator is connected with welding, the welding quality of a direct impact on the quality and service life of the radiator. Welding process, welding and body welding of filler, relatively speaking, good corrosion resistance of the body welding, and a uniform burr without grinding; filler welding, corrosion resistance, the surface is polished smooth. Consumers are mainly the welding is solid, the appearance of the weld is uniform, there is no uneven phenomenon. However, it is not overly force the welds smooth, because of excessive grinding processing likely to cause the strength of welded joints, resulting in running water leakage.

Eigtt,customer service is the key

Heating installation, but the quality of customs, such as positioning, installation is not strong, the plug is not in place, the threaded connection to the lack of standardized, easily caused by the leakage of joints, and even off the pipe to run water and other issues.
The installation of the radiator has a strong technical, should have a qualified professional installation team. Regular brand has its own designation, or special installation team, installation quality and security.
Consumers used in the original heat sink with the purchase of a new radiator in the other aspects of pipeline design may have many different and wider adaptability of the environment of the new radiator suitable for installation of a more flexible position, so prior to installation, often the original hot water pipe modification, change the tube should also be professional installation team to ensure quality, and these freeloaders to a fee, consumers do not change their own pipe installation or ask the qualified installation The team changed pipe installation. Otherwise, if the quality of the accident, the manufacturer is not liable to pay compensation.

Radiator installed, be sure to suppress the detection, to ensure no leakage of radiator itself and the installation interface, a move to suppress 1.5MPA pressure to stabilize for 5 minutes, pressure drop can be considered qualified pilot, consumers can rest assured to use.

A small reminder

The radiator must be filled with water; carefully choose the shape of fancy radiator, it is prone to leaking, no heating and many other issues: the lanky shape is not suitable for household heating, such radiator to save space. However, due to higher radiator requires a large amount of water pressure, household heating boilers is difficult to meet the requirements, therefore, household heating families, especially the consumers living in the high-level best not to choose the kind of shape of the radiator .

Installation, it is best to install the radiator in the penultimate over paint brush, installing the heat sink will inevitably dirty walls.

 

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