PEX is a water plumbing system manufactured from high density polyethylene pipes. special PEX fittings are used to link PEX tubing. PEX tubing is a supple material that is simpler and less expensive to put in, is resistant to corroding and calls for fewer fittings than pvc plumbing systems.
In cold temperatures PEX pipes retain their flexibility and do not become delicate and break. Unlike metal pipes, PEX tubing will not corrode and will not acquire scale. PEX tubing is energy efficient as well because they will not conduct heat.
PEX tubing is rolled around spools. employing spools is cost efficient because of their reduced weight and ease of storage. They cost less to ship than other types of pipes. PEX tubing can be set up directly from the spools with no need for coupling fittings. There is also no demand for elbow joints because the flexibility of PEX tubing permits it to be flexed to a 90 degree angle. Installation is easy and quick. There are no fumes and health perils from soldering because there is no soldering needed when you use PEX materials.
Connecting the tubes is done by inserting a fitting into or over the pipe and then pinching a ring placed over the pipe or fitting. There are a few different joining methods. Some use metal crimp rings and others use crimp rings made of plastic. One system uses a stainless steel clamp. Most fittings are brass although some are made of other metals or plastic. Because PEX tubing is pliable and can be turned to a 90 degree angle elbow joints are not needed.
Three basic tools are required for the standard crimping method when working with PEX: a main crimping tool, a pipe cutter, and a de-crimping tool. The pipe cutter tool cuts the tube before putting it into the fitting. There are a variety of main crimping tools available which can crimp 1/2″ or 3/4″ tubes. A de-crimping tool is employed to remove the copper crimp ring from the tube and fitting.
Fittings can be built of brass, bronze, copper or engineered plastic but the most familiar material in PEX plumbing is brass. The fittings have ridges designed to form a tight fit. When the ring is crimped over the tube or fitting a high-pressure seal is formed.
Water plumbing arrangements that take advantage of PEX tubing and PEX fittings have certain benefits. The materials are less expensive than metal and plastic pipes. Less fittings are necessary. The Installing process is simpler and shorter. Your system will never corrode or burst so it will last longer with fewer potential troubles.