How to choose a pipe for heating
Of the most common metal pipes - steel. These pipes can be welded or they can be seamless. The latter are more reliable. A steel pipe with a corrosion-resistant coating, for example, galvanized, is more durable because it is protected from premature failure. When installing these pipes, it should be noted that the protective coating is destroyed as a result of threading. Therefore, it is necessary to provide anti-corrosion protection for all threaded connections.
Remember that in those heating systems where antifreeze is used, galvanized pipes cannot be used. The protective coating will be destroyed by the substances that make up the antifreeze.
For the construction of the heating system, copper pipes will be an excellent construction material. Copper is resistant to changes in temperature, corrosive effects of tap water and the effects of ultraviolet rays. Installation of the pipeline from copper structures is quite convenient.
When installing copper pipes, consider protecting the aluminum elements of the system (radiators). The fact is that in the interaction of copper and aluminum in a hostile environment, a chemical reaction occurs, accompanied by significant gas formation, which can lead to rupture of radiators.
To avoid this type of damage to the system, special fittings and adapters made of plastic or steel should be used. Radiators must be equipped with special gas venting valves. When installing hot water systems, you should be guided by the instructions for working with copper and norms of building regulations.
Since 1996, the use of plastic pipes has been introduced into construction practice, which attract with ease of installation, their low weight and high corrosion resistance. The chemical neutrality of plastic pipes ensures that their internal surfaces do not grow over time. The system, made up of polymer pipes, is protected from the formation of stray currents.
Today, manufacturers offer plastic pipes made of polypropylene, high-density polyethylene, cross-linked polyethylene, non-plasticized polyvinyl chloride (PVC), reinforced polypropylene, etc.Before purchasing a product, familiarize yourself with its properties and application features.
Metal-polymer pipes, which are a multi-layer construction, are reliably protected from oxidation. They bend well and retain the given shape, which allows their use in complex configuration systems. With high flexibility, metal-plastic pipes do not lose their strength. They are effective in open wiring, including for connecting radiators and other appliances.
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