Pipes cross-linked polyethylene - all you need to know about mounting

Scope polyethylene pipes

Scope of these pipes is very diverse.They are used in water supply systems, snow melting, heating.In addition, the pipeline network can be both internal and external, in many homes, offices, public buildings and homes.They are particularly popular in the "warm floor" system, where it is impossible to build a metal counterpart.Polyethylene pipe is convenient to install, flexible enough and, moreover reliable.

only where they can not be used, - in places where there is any contact with the processed products: solvents, oils, fats (as well as for transportation of petroleum products).If we talk about in which regions are the most popular figures of the pipe, it is mostly the CIS countries (Ukraine, Belarus, Russia, Kazakhstan and other), Europe and Asia.Among the brands that have proven themselves in the market, we can distinguish Wirsbo, TECE, Aquaterm Polska, Rehau, Viega, Polymutan, DAK-K, KAN and others.

Properties of polyethylene pipes

Polyethylene pipes and PEX pipes differ significantly in their performance properties.The fact that in the process of crosslinking the material ceases to be a thermoplastic.He gets a good elasticity and does not melt.That is why these pipes can be carried to DIN J734 group.Plus, during the manufacturing process we introduced a procedure such as reinforcement.Because of the already high strength characteristics of these pipes only increased.

Typically, for reinforcing the synthetic filament or a thin walled aluminum sheath.Thereafter, the element becomes the multilayer structure.Among other performance characteristics distinguish: persistence in maintaining the form at t +200 degrees, excellent shrinkage, resistance to any aggressive chemicals, as well as to the appearance of corrosion.They have high strength even at a temperature of 110 degrees, and the cracks in the material not just appear.

Pipe installation XLPE

Before you will be joining pipes of cross-linked polyethylene, it is important to examine each part of the pipeline, including fittings and valves.You need to check their performance.If there are faults - fix.In particular, attention should be paid to any metal parts (steel fittings including).Check the usual thread.For this purpose, it is screwed to the connection piece.Then all the surfaces, which, anyway, will come into contact with the welding machine, you need to degrease.

After the welding apparatus (soldering iron) set the appropriate temperature (260 degrees).Then make pipes layout and determine where it will be cut with scissors.

Also there is need to make notations on the fitting arrangement (turning them about an axis).Welded elements heat.At the same time on the unit should be a special nozzle.After the parts are heated, they are smoothly connected to each other and held for about 30 seconds.Commissioning pipes molecular cross-linked polyethylene may be approximately 1-2 hours after their installation.

Note! Do not be lazy and accurately measure the distances between the bindings.If this is not done, then the pipeline may simply sag in the future, thus shorten its lifespan.