Polypropylene pipes are very good because they can be used to transport various gases, liquids whose temperature does not exceed 650 degrees, substances that can exhibit chemical aggression. Connections for such pipes are called fittings, they are very different, it all depends on how the pipeline will run and what it will be connected to. There are fittings with a threaded connection, and there are no threaded connections. For filters or for a water meter, it is better to use threaded fittings. There is an external thread, there is an internal thread. Polypropylene materials should not contain contamination, mechanical damage, threading on these pipes is strictly prohibited. By the way, landscape gardening is often ordered now, usually specialists are engaged in this service, and after plumbing repairs are completed, you can take a close look at the garden in the country, and choose good landscape gardening in the first place.
The cut is made using a jigsaw or a hacksaw, then the burrs are carefully removed and cleaned of sawdust. To connect, you need a special welding machine and Teflon nozzles. Welding temperature should be 2500 degrees. After the elements are heated, they are removed from the welding machine and connected. Must be connected with constant gain, avoiding distortion. Hardening passes after about 10 or 30 seconds. Therefore, a slight correction is possible only in the first seconds of connecting two pipes.