Discount Industrial Supply Company – PVC Pipe, CPVC Pipe, Fittings & More

PVC or polyvinyl chloride is a versatile material used for pipes, tubing and fittings for transporting liquids. It is suitable for applications where the temperature of the liquid does not exceed 140°F, above this temperature it may soften and lose its shape.

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CPVC is an improved version containing chlorine which gives it additional resistance to heat and corrosion making it suitable for a greater range of applications. CPVC can be used at temperatures up to about 200°F without losing its shape. Because it is less reactive than PVC it can be used for transporting highly corrosive chemicals and is suitable for drinking water.

Within these general categories, PVC fittings are grouped into schedules or thicknesses. There are many schedules, but the most common are 40, 80 and 120. Schedule 40 PVC fittings are usually white or tan. This size has the greatest inside diameter of the schedules and is often used for carrying cold water. It can only contain liquids with a temperature of 140°F or less.

Schedule 80 has a smaller inside diameter than schedule 40 because its walls are thicker. This makes it suitable for carrying greater pressures than schedule 40 and gives it a higher temperature rating. Fittings made from schedule 80 are often used in larger buildings rather than private homes, though there are exceptions. Schedule 80 fittings are usually gray.

Schedule 120 has the smallest inside diameter because its walls are thickest. It is capable of carrying high pressures, making it suitable for commercial locations. Schedule 120 is rarely used in residences because of its expense and because it has more pressure capacity than is needed in most residential locations.

PVC fittings used specifically for waste water are sometimes called DWV (drain, waste and vent) fittings. PVC fittings are often white, tan or gray, but green, blue and yellow are also seen. There is no set meaning for these colors, though white and gray are most often seen in plumbing applications, and green is often used for sewage.

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Whether you're fitting a new dishwasher or refurbishing an entire plumbing installation, the quality of the pipes you use will have a huge impact on the project's success. The PVC pipe department here at Ace includes tough, durable piping for use in kitchens, bathrooms, drains and anywhere else around the home, along with a full range of fittings and connectors to complete your plumbing tasks with professional results.

Benefits of Using PVC Pipes

PVC plastic is a tough but lightweight material, and this makes it ideal for use in hard-working plumbing installations. PVC pipes and fittings have several important features that can make them a better choice than other types of pipes, with the main benefits including:

• Corrosion-resistant: PVC piping isn't affected by corrosion from water or common household chemicals, offering the long-lasting rust resistance of galvanized iron pipe at a much lower cost.
• Hassle-free installation: Unlike heavy iron pipes that can require specialist tools for installation, plastic water pipes are lightweight, easy to cut and simple to handle.
• Low heat conductivity: Unlike metal pipes, plastic pipes don't conduct much heat. This low heat transfer makes them better insulators when transporting water, saving on energy bills.
• Moisture resistant: The outside surface of a PVC tube also stays dry even without insulation, which is incredibly helpful for moisture-prone applications like boilers and air conditioning condensation drains.  

Despite these valuable benefits, it is important to consider the potential downsides of using plastic tubing for home or commercial plumbing. PVC plastic can be sensitive to direct sunlight, meaning the pipes can become brittle when in the sun for extended periods. Also, while a PVC pipe can easily handle typical domestic temperatures, extra-hot conditions can cause warping or buckling so a PVC tube should be used with care in commercial installations.

Choose Your PVC Pipe Sizes and Thickness

At Ace we stock PVC pipe sizes from ½ inch up to 4 inches and more, giving the versatility to install a high-volume PVC drain pipe or compact under-sink fittings with equal ease. They are ready cut into lengths of a few inches up to 20 feet or even longer. Our PVC tubing is also available in standard wall thicknesses, with schedule 40 pipes ideal for residential use, or thicker schedule 80 PVC piping for use in high-pressure or industrial settings.

Choosing Between PEX and PVC Pipes

If you need the toughness of PVC but with greater flexibility to use in large underground installations, cross-linked polyethylene pipes, also known as PEX pipes, are one of the most popular plastic pipe types used today. These pipes can deliver both cold and hot water, and they're known for their versatility, ease of fitting, low price points and their ability to maintain consistent water pressure.

However, their low tolerance to UV light means they can't be used for an above-ground outdoor installation. What's more, unlike a PVC pipe or tube, PEX is not eco-friendly, meaning you are unable to recycle it at the end of its life.

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