Coupling for connecting pipes

PVC couplings

in pipelines, heating networks, pipelines of hot and cold water coupling compounds are used, as it allows you to quickly carry out the necessary repair parts of the network without dismantling the entire system.For structures made of any material can be used compounds of this type.They provide a reliable pipe connection on both sides.

metal-plastic pipes in the coupling compounds are used very rarely.This is due to the fact that they are issued in the form of coils, length of pipe that is up to 200m.Therefore, the installation simply cut the required length of material, but if you need to use the details to connect the ends, in order to use such a press couplings and threaded fittings.Screw couplings

To connect pipes using the edge of the nut, it is necessary to prepare a first edge pipeline - they are cut perpendicular to the tube axis to ensure tight abutment of the fitting and the pipe end.Then he dismantled the fitting, wear crimped nuts and o-rings on the tube.On

fitting is put first pipe joint is crimped nut.A second connector mounted to the second and also crimped.The very detail of fixed wrench and subsequently tightened using a spanner, both crimped nuts.

Press clutch

installation process on the press sleeve is much easier and faster than the threads.This requires the cut edge is normal to pipeline axis, insert them into the fitting sleeve and drive a special tool.Such a pipe coupling for connection mainly in that it is suitable for pipes of any diameter corresponding assortment.

The coupling of the compound of polymers

polymer fittings are more common than metal and plastic, as many plastic pipes are produced in the form of segments of less than 12m.long.

Polymer attachment connected:

• The bell
• adhesive
• With diffusion bonding
• On Screwed

socketed compounds are used for non-pressure pipes.This connection is tight and reliable thanks to the rubber seal, but this kind of insulation resistant to large hydraulic loads.Accordingly, the socket is used when installing sewers and drains.

As in previous cases, the edges of the pipes are cut at right angles, first installing the sealing rings, and then all the way into the fitting tube is introduced first, and the same - the second.

As used glued and welded assemblies, in most cases, installation of pipelines of water supply and heating.Glued connection is made by applying adhesive to the outer surface of the pipeline and the inner surface of the fitting to the previous sweep.Then, it is fixed for 15-20 seconds.

If you want to speed up the deadline for the installation, you can use diffusion welding.The uniqueness of this connection is its very structure: inside there is a layer of special material which is easy to melt under the influence of an electric current.Self installation process is similar to the push-fit type mounting, but instead of fitting the device here plays a major role electrode which melts the spiral inside the part.Thus the joint is sealed and strengthened at the same time.Possibility of operation comes after the complete hardening of the joints.

other fittings, suitable for polymers, a compression coupling for pipe connections.Such units are formed due to the compression of the tube, located in the sleeve, a compression ring.A distinctive feature of the positive installation for this type of fitting is that it requires no special tools.

fittings used in metal pipes

Couplings are used as fittings for pipes made of metal are much more common than in other materials systems.This is because such pipelines are produced exclusively in the form of segments of small length.The most commonly used threaded fittings, since they can be used to carry out the dismantling of a single site, without disrupting the entire network configuration.

fittings used in pipes of any material and destination is precisely the coupling for connecting pipes.Their installation is simpler and cheaper than, for instance, welding, which makes them extremely valuable parts needed in the construction and operation of the network.