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3 Plastic Piping Systems and Their Industrial Applications

Flip Law - Thursday, March 21, 2013

plastic piping

Industrial piping systems make the right connection.


Industrial plastic piping systems are ideal for handling highly corrosive fluids. These systems are often easier to install than comparable metal piping systems making them more cost effective.

Here are three commonly used thermoplastics that are used in various industrial plastic piping systems:

PVC: Polyvinyl Chloride (PVC) is the most commonly used thermoplastic piping material and accounts for over 85% of the footage of all thermoplastic piping. PVC has been successfully used in applications such as chemical processing, industrial plating, chilled water distribution, deionized water lines, chemical drainage, water distribution and irrigation. PVC possesses very good physical properties and chemical resistance to acids, alkalis, salt solutions, and many other chemicals. PVC should not be used with polar solvents such as ketones, some chlorinated hydrocarbons, and aromatics. The maximum service temperature for PVC is 140o F. PVC is joined by solvent cementing, threading, or flanging.

CPVC: At 70o F, Chlorinated Polyvinyl Chloride (CPVC) has similar physical properties to PVC and its chemical resistance is similar to or generally better than that of PVC. CPVC has a maximum service temperature of 210o F and has proven to be an excellent material for handling hot corrosive liquids. CPVC is also used in hot and cold water service and similar applications above the temperature range of PVC. CPVC is joined by solvent cementing, threading, or flanging.

PE: Polyethylene (PE) is the second most widely used thermoplastic piping material. PE is classified into three types. Type I PE has a low density, is relatively soft and flexible, and has low heat resistance. Type II PE has a medium density, is slightly harder, is more resistant to higher temperatures and has increased tensile strength. Type III PE is a higher density material offering maximum physical properties. Type III PE is also referred to as HDPE or high density polyethylene. Due to its toughness and superior physical properties, Type III PE is the preferred piping material. PE piping is most frequently used in gas and water distribution systems.

When it comes to selecting the proper industrial thermoplastic piping system for your application, the experts at W.P. Law, Inc. can help guide you to the right match for your project.

Visit www.wplawinc.com/corporate-contact.
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