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Ball ValvesBrass Ball valves for plumbing
Ball Valves As mentioned above, the production of ball valves adjusted and in USA. In our country produced enough high-quality products, but for some reason still believes that European countries are more reliable products. Rather, it is true, but if we take this ratio as "price-quality", the US firms provide more models of valves, which are worth to buy. Of the foreign companies that manufacture a variety of valves, the most popular and proven, is considered to be: USA plant Matca Norca, USA brand Wright Valve French brand SFERACO, Italian brand ADLER, Spanish brand DREHMO, German brand AUMA, Hungarian brand DKG EAST and others. By the way, recently received a fairly wide popularity ball valves, material which is plastic.
Naturally, the industry taps, such material will not be used - it is simply forbidden, but in everyday life, in a private home or at the cottage - it is quite possible and may even be necessary. It is not hard to guess that the plastic is much less than metal, but in its basic characteristics sometimes even surpasses some types of metal products.
For example, plastic may not be subject to corrosion, while the iron ball valves suffer greatly on this. Of course, there are metals that are in no way can rust - for example, brass, however, and the value obtained by the valve will be significantly higher than those of plastic. But the plastic, of course, has some significant drawbacks.
First of all, it is more brittle material, so its use is possible only in the home. Secondly, the plastic can not withstand very high temperatures, it simply starts to produce substances harmful to humans, and if he start to use in industry, the ball valve is completely melted, because it applies at all other temperatures than in private homes and gardens sites.