Manufacturing technology of metal tubing
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In plastic and metal tubing, of course, drew their relative cheapness, light weight, relatively simple installation, corrosion resistance on all Wednesdays and smooth inner surface, so that the head losses due to friction in them are 30% lower than in steel. PEX tubing does not rust and less prone to internal corrosion. But keep in mind that the linear expansion of plastic is ten times more than metal, and compensate him for the design.
In addition, the manufacturing technology of metal tubing is that is unable to withstand an ideally smooth thick inner insulation layer, so when you carefully control the output at the factory, there is no guarantee that will happen within the breakdown, and active aluminum, which is made of a metal layer, not will react with water. Therefore, it is desirable to use a homogeneous plastic or polypropylene tubes for internal engineering systems of buildings. They have different ways to connect: glue, screws, socket. During operation and during installation the most favorable couplings.
Tags: PEX Tubing, pipe, tubing
