A complete guide for plastic pipe and fittings:

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Pipes are made from different materials like copper, PVC (polyvinylchloride), CPVC (chlorinated polyvinylchloride), PEX (cross-linked high-density polyethylene), polybutylene and galvanized steel and iron. Brass, plastics, copper and malleable iron are used to make for pipe fittings. 

Copper

Copper is mostly used because it can withstand very high temperatures. It is widely used for final connections, where the temperature may exceed 100 degree Celsius. The copper pipe is rigid. 

Stainless steel

During the copper shortage, stainless steel plumbing is most popular among the people. It is more rigid when compared with the copper. It is supposed to be more corrosions-resistant.

Ductile: 

Ductile is stronger than copper and plastic pipe. It is used for gas, water, compressed air and rigid metal conduit (RMC). It is often used for long-diameter water before the invention of plastic.

High-density polyethylene (HDPE):

It is one of the toughest plumbing system pipe materials around. High-density polyethylene is durable, flexible, resists corrosion well and is also available in long lengths. Because of the long length, any joints are made using heat fusion. 

PEX:

It is made from the cross-linked high-density polyethylene. It is low in cost and does not corrode when used in the place where the water is acidic. It is flexible and can bend over the tight radius and is also easily routed to fitting. 

PVC (polyvinylchloride) and CPVC (chlorinated polyvinylchloride):

Piping made from the PVC and CPVC has several advantages over copper. It reducing the number of bend fitting and it is also ductile and can be bent easily. The 90-degree elbow joint is used then you required a tight bond. It reduces the heat loss because of the better insulator than the metal pipes. 

Plastic pipes are routed through floor and wall space easily then compare with the steel or metal pipes. It also reduces the danger of bursting when the water freeze inside the pipe at zero degree temperatures, it because of the stretch of pipe.PVC pipes are used for drinking water and as well as the waste pipe plumbing. 

CPVC also has the same characteristics as the PVC pipe. It has a better corrosion resistance at higher water temperature than the PVC. It is more easily shaped and flexible than PVC and is used to carry residential drinking. 

Fitting of PVC pipes: 

Here some of the tips to fit the PVC pipes by the commonly used PVC pipe fittings

Tees: It is used to split the pipes into two separate pipelines with the 90-degree connection. It has three ends; two in a straight line and another one side at a90 degree angle. 

Elbows: It is available in 90-degree angles and 45-degree angles. It is commonly used as corners in the project. 

Crosses: It has four slip connection meets at 90-degree angles that forming plus shapes. It is commonly used when building a framework out of pipe. 

Coupling: It is used to connect the pipe to pipe or fitting to fitting or even pipe to the fitting. 

Caps: It is used to put an end to the pipeline and is does not need to connect to another pipe.

You can use a complete guide for a plastic pipe before you select or buy pipes and pipe fitting for your office or homes.