PPR pipe is now widely used in home water supply system, are generally used concealed way, in case of leakage repair more trouble. PPR pipe then what kind
Connection is not easy to leak it?
Corresponding to different requirements, PPR pipe welding, hot melt and screw connections.
PPR pipe with hot melt connection the most reliable, easy to operate, air tightness, high interface strength. Pipe connections are made using a hand-held fusion splicer. Before connecting,
Should first clear the pipes and accessories on the dust and foreign bodies. When the machine is lit red and stable, aligned to be connected to the pipe (pieces) DN <50 Hot-melt depth of 1-2MM,
DN <110 Hot-melt depth of 2-4MM. Connect, without rotation, the tube end into the heating jacket, to a predetermined depth. At the same time, the tube is pushed to the heating head without rotation
On the heating, to reach the heating time, immediately after the tube and the tube from the heating sleeve and the heating head removed at the same time, rapidly without rotation, even force inserted into the required
Depth, the joint at the formation of uniform flange. Within the specified heating time, just welded joints can be corrected, but the rotation is prohibited. Pipe and pipe heating,
Should prevent excessive heating, so that the thickness of thinning. Pipe deformation in the pipe fittings. During hot melt cannula and calibration, rotation is strictly prohibited. There should be no open fire at the operation site, strictly forbidden
Pipe with open fire bend. Will heat the pipe and fittings vertical alignment propulsion to light, to prevent elbow bending. After the connection is completed, the pipe and pipe must be secured
Hold enough cooling time, cooled to a certain extent before they let go. When the PP-R pipe and metal pipe connection, PP-R pipe with a metal insert should be used as a transition,
The pipe and PP-R pipe using hot melt socket connection, and metal fittings or sanitary fittings hardware connection, the use of threaded connections, should be polypropylene raw materials
Belt as a sealing filler. Such as mop pool pick up the faucet, PPR tube on the end of which the installation of dental elbow (thread). Pipeline installation process, not force
Too much, so as not to damage the threaded parts, resulting in leakage joints. Pipe cutting can also be used to cut off a dedicated tube: tube scissor bayonet should be adjusted to match the cut diameter,
Rotary cutting should be uniform afterburner, cut off, the application of circular fracture complete circle. Broken tube, the cross-section should be perpendicular to the tube axis, no burr.