METHODS OF CONNECTING METAL PLASTIC PIPES
When we lay pipes, the first thing we need to pay attention to is a reliable fitting connection. The market presents a variety of types of metal-plastic pipes, which can be connected without the help of specialists.
Types of connections:
- With the help of compression fittings.
- Connection by press fittings, with sliding or crimp clutches.
Connection with compression fittings
The most important advantage of this connection is that even the most inexperienced person can install them independently without using a specialized tool. If problems arise, they are easily replaced, since this type of communication is considered collapsible.
The fitting itself includes a union nut and a brass crimp ring, as well as a metal fitting that has two rubber gaskets. When the nut is tightened, the ring is compressed and this gives an excellent and tight connection to the union.
It should also be remembered that metal products are manufactured and stored in rolls, so when used at the very beginning they need to be leveled. It is very necessary to pay attention to the end areas, since the end is chamfered with a knife or brusovki. It is desirable to thread the pipe into the union nut, ring, and also the gable and rubber materials on the fitting are lubricated with ether, that is to say oil. It is more advantageous to use silicone ether.
The end of the pipe is wound on the fitting by rotational movements. The ring should be pushed onto the union and only then tighten the union nut. What would be good and high-quality to tighten the nut you need to use two keys.
Operation with
crimping fittings Different kinds of metal-plastic pipes form the strongest joints using precisely crimp fittings. The connection itself is interpreted not dismountable and is used to hide pipes.
The fitting consists of:
- Pipe with ring protrusion and seal.
- Crimp coupling.
- Dielectric gasket.
When you start working with a pipe, it is cut to the size you need, and only then you can put a crimp clutch on it. In this case the expander helps us, because with its help the end of the pipe expands, and after this operation the fitting is inserted very simply. To make our clutch easy and without any problems, we use a press mite. It must be remembered that a diameter is used that has a matching diameter to the pipe.
Also on the metal sleeve appear parallel strips and this all happens with the help of electrical compression. Some variants of fittings have a crimp clutch on the body of the fitting itself.
Applications of tension fittings
All kinds of metal-plastic pipes can be connected by tensioning fittings and do it so that they are hidden. The method consists in tightly sliding the coupling in the area where the pipe is already in place. This is an indivisible option and requires special equipment for work: hydraulic or manual-press.
At the very beginning of the pipeline is put on a sliding clutch, for the fact that later it could easily be pushed. With the help of an expander or thermo-foam, the end of our cut-off clutch expands. With the help of the press, it moves on to the enlarged part and such a connection is undiluted, but has greater reliability.
