Plumbing system with PEX tubing
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The use of PEX tubing for mounting domestic Plumbing, without exaggeration, lending a hand to architects and designers.
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It is also possible to make a network of tubinglines completely sealed, so it began boldly to hide under the walls and floors and art to solve the problem without looking at permanently preventing the tubing.
Plumbing from PEX tubing less clogged, it does not fear stray currents and intermittence. Time of installation of the system is reduced by 2-3 times, and cost – by 10-20%. The service life is increased by approximately 50 years.
For plumbing use thin-walled tubes (thickness up to 3,5 mm) of three types of plastic: polyvinyl chloride (PEX), high density polyethylene (HDPE) and polypropylene (PP).
In Russia, PEX tubing are successfully used for several decades, because they are relatively cheap.
However, widespread use of household chemicals, washing and dishwashing machines with a high temperature of diverted water, forced to seek a replacement of more heat and chemically resistant materials.
So in practice include polyethylene and polypropylene. In the Russian market their products to domestic Plumbing is now offering about 20 firms.
The table lists the approximate prices for tubing, prices for “fasoninu also vary widely: in one firm tubing are cheaper, but a sort of” fasonina “to them more expensive in the other – quite the opposite.
The range of fittings for different companies ranging from 5 to 30 names and from 3 to 10 sizes of each item (not including gaskets).
The most complete and rapid acquisition systems provide: among foreign firms – REHAU (Germany), NICOLL (France), ONNINEN (Finland), and among domestic – LLC AGRIGAZPOLIMER (PEX tubing), ZAO Teploimport and NPO STROYPOLIMER ” (tubes made of PP).
Recently appeared on the market noise absorbing plastic tubes with mineral filler (and the firm REHAU POLOPLAST), which when being used, the noise level is reduced by almost 2-fold, compared with tubes made of polypropylene, but its cost – almost twice as high.
To build the tubingline, as a rule, use tubing and fittings of the flare and o-ring of high-quality rubber, which should be leak-proof connections for decades.
For PEX tubing is sometimes used bonding, and tubing made of PP can be joined by fusion welding.
Tags: PEX Plumbing
