CPVC is a more expensive product so it is usually the chosen material for hot water applications, while PVC is used for cold water applications like irrigation and drainage. CPVC vs PVC Pipe Comparison and Differences, The primers, solvent cements, and bonding agents are different for PVC and CPVC due to the differences in the material's chemical composition. They are available in the same lengths, with the same end shape options. So, if you’re stuck between PVC and CPVC on your next project, remember to take into account at least two important factors: temperature and cost. You may be surprised to learn that household water temperatures are not supposed to go above 140° Fahrenheit: CPVC is a thermoplastic made by further chlorination of the polyvinyl chloride resin. One of the biggest and most … Per the National Spa and Pool Institute, hot tubs are now designed to heat up to a maximum of 104° Fahrenheit. The key difference between UPVC and CPVC is that UPVC is produced without the addition of plasticizers, whereas CPVC is produced by post-chlorination of PVC to enhance the chlorine content in the polymer. CPVCs available commercially usually house 63% to 69% of chlorine, but it can go as high as 74%. For example, ¾” Sch40 PVC pipe is rated at an extremely high pressure of 480 psi at 73 degrees, but it has no high-temperature rating whatsoever. Advantages of CPVC. CPVC is off-white, light gray, or yellow in color. CPVC can handle temperatures up to 200° Fahrenheit, while PVC peaks at 140° Fahrenheit. Both come in Schedule 40 and Schedule 80 thickness. PVC pipes are sized by the nominal pipe size (, CVPC pipes are sized by the nominal pipe size (. As a result, we cannot show you the price in catalog or the product page. Lists. CPVC Industrial True Union Ball Valves - VITON, CPVC True Union Ball Check Valves - VITON, CPVC and PVC both offer significant chemical resistance, Sign This chlorination is done to get the properties such as more flexibility and ability to withstand high temperatures. You'll be able to greatly reduce the number of fittings used for most applications. One of the most difficult decisions is, without a doubt, Making the right choice between cpvc vs pex pipes. For more on what is CPVC, its characteristics, properties and common uses, read our resource article What is CPVC. In fact, the first pipeline systems used by the CPVC occurred in 1959, and they continue to work without any problems. UPVC stands for unplasticized PVC, whereas CPVC stands for post-chlorinated PVC. At a molecular level, CPVC is a thermoplastic made from a base PVC polymer that has been fortified with additional chlorine molecules. Looking for CPVC pipe for sale or to compare prices? PVC stands for polyvinyl chloride; CPVC stands for chlorinated polyvinyl chloride; and PEX stands for cross-link polyethylene. Q. When properly installed, PVC pipes are capable of a lifespan of 50 years or longer. CPVC pipes can also be utilized in the various applications where PVC pipes are usually used. CPVC vs PVC: The practical differences Like PVC, CPVC is a thermoplastic material that can be easily molded into different shapes to create pipes, fittings, valves, and other liquid-handling supplies. CPVC is good, but PVC is slightly more versatile, slightly … Pros. In addition to meeting ASTM specifications, there are different solvent cements required based on the pipe’s size and intended application, so check the product containers to be sure you’re using the correct agent for the correct application. In, View The primers, solvent cements, and bonding agents are different for PVC and CPVC due to the differences in the material's chemical composition. In fact, the first piping systems using CPVC occurred in 1959 and are still working without a problem. Commonly used to create plumbing pipes and fittings, For more on what is PVC, the characteristics and properties of the plastic, read our resource article, The color of PVC pipe is traditionally white or dark gray, with a technical description of the pipe printed on the side. It is safe to use CPVC in applications where PVC may be used. CPVC is Chlorinated Polyvinyl Chloride. The Piping Debate: Copper vs. CPVC. Copyright CPVC and PEX are … CPVC stands for chlorinated polyvinyl chloride. CPVC and PVC are both a quieter, easier to install, and less expensive alternative to copper and iron pipes, especially in plumbing applications. For more on what PVC and PVC pipe is used for, read our resource article What is PVC Used For. Both PVC and CPVC have been deemed safe for potable water transport, i.e. CPVC (chlorinated poly (vinyl chloride) is a strong and rigid thermoplastic material that is used for hot and cold potable water applications in residential construction. Both are safe for use with potable water when ANSI / NSF 61 certified. For some applications you may determine a need to heat the pipe to make it more pliable -- be sure to wear protective gloves, respirator, and safety glasses to prevent burns and exposure to fumes. A. PVC is available in 10 ft and 20 ft lengths. CPVC or chlorinated polyvinyl chloride is a thermoplastic polymer. CPVC has greater flexibility than PVC, and requires support at three foot intervals to maintain its position. If a single component made from defective material goes into production, the entire product may be compromised. Before PEX came around, PVC (Polyvinyl Chloride) and CPVC (Chlorinated Polyvinyl Chloride) were the primary plastics used in plumbing. Can't find what you're looking When PVC or CPVC is heated, melted, or hot-cut, fumes that are toxic (. PVC vs. CPVC Incompatibility All FORMUFIT Products are designed to fit Nominal Pipe Size (NPS) size, white, Schedule 40 PVC pipe. All The extra chlorine, along with specialized additives, enables the material to reliably stand up to intense heat and pressure. Olive Branch, MS; Call Us: (806) 722-0086 Fax: (662) 895-4338 As seen in the image below, PVC’s chemical composition is made of two carbon atoms linked together with a perimeter of three hydrogen atoms and one chlorine atom, all attached by single bonds. PVC Pipe Supplies 8971 Yahweh Rd. Thus, we do not offer rigid pipe like PVC, CPVC, etc. The extra chlorine in CPVC increases chemical strength and helps prevent bacteria / biofilm formation within the pipes. PVC and CPVC have different applications, so they are not typically used in the same types of applications. CPVC maximum functional temperature is 200° Fahrenheit. You must have JavaScript enabled in your browser to utilize the functionality of this website. PVC comes in nominal pipe sizes only, while CPVC is available in both nominal pipe sizes and copper tube sizes. You can bend the pipe itself in a much tighter radius but it is not recommended to do so near a fitting/joint. In the end, we have to say that the PVC is the winner of the PVC vs CPVC superiority debate. Rights Reserved. Often, pipes using the NPS system are light gray, and pipes using CTS system are yellow. CPVC, PEX and PVC pipes and components fail from time to time. Looking for CPVC pipe for sale or to compare prices? Because of its makeup, CPVC is immune to damage from highly chlorinated domestic water and has a higher temperature tolerance than PVC. CPVC goes through an extra chlorination process, which lets it withstand high temperatures much more effectively than regular PVC. November 2, 2006. The Premier Online Plumbing Supplier Since 1995, Same day shipping for in-stock orders processed by 7pm EST M-F. OR - find plumbing supplies starting with: While CPVC can technically do anything PVC can, its use in the home is usually limited to. It is hard to believe that they are not completely resistant to UV rays. Typically, the chlorine and PVC react through a basic free radical mechanism, which can be initiated by thermal and/or UV energy. CPVC and PVC pipes are made out of very strong and versatile materials. Is there something else you are looking for? Because they are thermoplastics, they have an inherent insulation that reduces condensation formation on the pipes and maintains both cold and hot water temperature better than copper pipes do. Both types are deemed as a safe and convenient way of transporting potable water for drinking, bathing and cooking in residential and commercial establishments CPVC and PVC are both resistant to the damages that can be caused by inorganic chemicals, alkali, and acidic substances. PVC, CPVC, and PEX are different kinds of plastic pipes used as materials for the waste and drinking systems of buildings. Q. uPVC is used as a replacement for wood in construction, such as in double glazed window frames and window sills and in what is known as vinyl siding in the U.S. CPVC pipe is non‐toxic. Above those temperatures, both CPVC and PVC will begin to soften, increasing the risk of joints and pipes failing, and therefore, failing of the plumbing system. Looking for PVC pipe for sale or to compare prices? PVC is available in both rigid form (also known as uPVC: commonly used in construction and piping applications) and flexible form (plasticized PVC, known simply as PVC: found in electrical cable insulation). This means its chemical composition is two carbon atoms bonded to each other with two hydrogen atoms and two chlorine atoms bonded to this double carbon unit. It is lightweight and resistant to corrosion and tuberculation. Find out more. Cart, My Saved Applications. Reasons PVC may fail include: poorly glued joints or tree roots displacing underground lines or burrowing their way into the pipe itself. Both types of pipe will have their specifications printed on the side. However, we do offer rigid copper less than four feet, as well as great deals on flexible PVC, copper tubing, PEX, and other vinyl tubing since these can be rolled and are much easier to ship, keeping your cost lower. It is resistant to degradation and provides a long life span of use. Both pipe types are available in plain end and bell end. © 2021 PVC Pipe Supplies. Copper has been used in North American plumbing applications for more than 70 years. Commonly used to create plumbing pipes and fittings, polyvinyl chloride is a man-made plastic with added stabilizers that prevent oxidation and degradation. CPVC would be recommended in these situations since its peak temperature threshold is 200° Fahrenheit. CPVC has been installed successfully for nearly 50 years. Because their chemical composition contains a halogen -- the element chlorine -- their structure is stable and innately fire retardant. Larger PVC pipes are often used in plumbing to distribute non-potable water. Dishwashers work best at temperatures at or below 140° degrees Fahrenheit. Certain diameters of PVC pipe and furniture PVC pipe are now. For applications requiring temperatures above that, CPVC (. The main difference between CPVC and PVC is the range of temperatures each is capable of withstanding. There are 15 material properties with values for both materials. The two materials require different cements and solvents and should not be used together. Material Testing. CVPC pipe was developed in the 1980s and has proven to be more durable, safer and easier to install, and longer lasting than the PVC pipe of before. This molecule links with others to form polymer chains of CPVC. When PVC discolors under heat, it is burning and all work should cease immediately and be modified to prevent excessive toxins from becoming airborne. PVC pipes are white or dark gray in color. CPVC stands for chlorinated polyvinyl chloride. Since PVC has a maximum temperature threshold of 140° Fahrenheit, its use isn’t recommended in applications where the temperature of the fluids it will carry or its ambient environment will regularly approach, remain constant at or go above that peak temperature. For example, CPVC solvent cements must meet ASTM F493 specifications, and PVC solvent cements must meet, Plumbing, drainage, and sewage infrastructure, Drinking and process water delivery and distribution, Agriculture, livestock and farm irrigation systems, Residential plumbing, drainage, sewage infrastructure, Frames for greenhouses, carports, and raised garden beds, For more on what PVC and PVC pipe is used for, read our resource article. PVC can be used for a wide number of applications, while CPVC is mostly used for hot and cold water pipes, as well as industrial liquid handling. Both resist corrosion and degradation from chemicals classified as an acid, alkali, or inorganic material. PVC is the common term for Polyvinyl Chloride. For more on what is PVC, the characteristics and properties of the plastic, read our resource article What is PVC | What is uPVC. Chlorinated Polyvinyl Chloride (CPVC) is made when Polyvinyl Chloride (PVC) is treated with chlorinated water. While both PVC and CPVC are suitable for water, gas, and drainage systems, many plumbers strongly recommend CPVC for hot water lines and PVC for cold water lines. For applications requiring temperatures above that, CPVC (chlorinated polyvinyl chloride) is recommended. Temperature Resistance: PVC is safe for residential water applications below 140°F, while CPVC is safe at temperatures up to 200°F. Due to the increased shipping cost for any kind of rigid pipe longer than four feet, we are unable to sell it at a cost that is affordable for our customers. CPVC should only be used when conditions call for it and when higher temperatures are going to be an issue. Main Difference – PVC vs Polycarbonate. Chlorinated polyvinyl chloride, also known as CPVC, is a PVC with an increase in chlorine content. PVC has a peak temperature threshold of 140° Fahrenheit. PVC piping can also be used to insulate electrical cables. Other Plastics vs. CPVC; PEX, like polybutylene, is a European technology that is less resistant to water conditions and chlorination commonly found in the United States. For example, CPVC solvent cements must meet ASTM F493 specifications, and PVC solvent cements must meet ASTM D2564 specifications. According to their physical properties, polymers are divided into three groups as thermosets, thermoplastics and elastomers. 2" pipe has a bend radius of about 4 feet and 1/2" pipe has a bend radius of about 2 1/2 feet. JavaScript seems to be disabled in your browser. Approved PVC pipe uses depend on the application and local building codes. The color of PVC pipe is traditionally white or dark gray, with a technical description of the pipe printed on the side. Polymers are giant molecules composed of a large number of repeating units. It might be possible that you are searching the web to select a budget-friendly piping system or you are preferring a pipe with the highest durability. Our price is lower than the manufacturer's "minimum advertised price." For solvent welding, each material requires a. PVC is less expensive than CPVC, and both materials are cheaper than copper, iron or stainless steel pipes. CPVC and PVC both offer significant chemical resistance and are largely resistant to degradation from acid, alkali, and most inorganic chemicals. If you are going to have any pressure on the pipe then it is best to have nearly straight pipe close to the fitting. Our consultants investigate pipe failure including failure analysis in our state-of-the-art testing laboratory. CPVC is available in 10 ft and 20 ft lengths. In PVC, a chlorine atom occupies 25 percent of the bonding sites on the carbon backbone, and the remaining sites are filled by hydrogen. PVC can be cut with saws and glued to other PVC pipes and fittings without the need for heat or flame, such as is necessary to weld copper or iron pipes. PVC has a wide range of application in our day to day life. They are available for engineering and industrial piping projects because CPVC can withstand a greater array of high temperatures. CPVC pipes are sized in two ways -- nominal pipe size (NPS references the diameter of the interior hole of the pipe) and copper tube size (CTS references the outside diameter of the tube). CPVC. This stability also inhibits oxidation reactions, resulting in giving both PVC and CPVC a long, useful performance life. As a flexible plastic, PVC is used to produce a wide variety of piping. We recommend you purchase this type of pipe at your local hardware or home improvement store. CPVC Can Tolerate Higher Temperatures than PVC Unlike PVC, whose maximum temperature tops out at 140° F, CPVC piping can withstand temperatures up to 210° F. It is equally effective at lower temperature ranges, as well. Budget-friendly, temperatures under 140° Fahrenheit, most suitable for recreational applications, residential construction, DIY projects and cold water distribution. It is a versatile material that can be manufacturered in many colors or made t… Above those temperatures, both CPVC and PVC will begin to soften, increasing the risk of joints and pipes failing, and therefore, failing of the plumbing system. Commercial CPVC usually has 63 to 69 percent chlorine content, but is capable of containing as much as 74 percent. For each property being compared, the top bar is CPVC and the bottom bar is PP homopolymer. Properties with values for just one material (13, in this case) are not shown. Last updated on April 2, 2018. The production process includes the chlorination of PVC via free radical chlorination. PVC is engineered to resist oxidation and degradation, making PVC products and pipework highly durable. PVC is available in both rigid form (, PVC has a peak temperature threshold of 140° Fahrenheit. 2. The main difference between CPVC and PVC is the range of temperatures each is capable of withstanding. Both pipe types have technical specifications printed on the side for easy verification. Both forms of PVC are safe to touch and handle, and do not leach chemicals when used as the manufacturer intended. Washing machine temperatures peak at 140° Fahrenheit. "How flexible is spa flex?" CPVC is a PVC homopolymer that has been subjected to a chlorination reaction. Both PVC and Polycarbonate are good examples of thermoplastics. Contains extra chlorine increasing its safety for potable water; Pipes and fittings are easy to work with which makes them ideal for novice home … Why don't you sell PVC or CPVC?" The pressure ratings for PVC vs CPVC change dramatically with temperature. However, many hardware stores and home centers carry a different style of pipe called CPVC, also known as Copper Tube Size (CTS) plastic pipe, which is not compatible with FORMUFIT and other brands of PVC fittings. It is also known as PVC’s cousin as they possess many similar properties.It is produced through a chlorination process of PVC resin. Initially introduced to the US sewage, drainage, and water market in the 1950’s, there are now more than two million miles of PVC pipe in service today. CPVC: CPVC and PVC are time-tested products that have been in use for over fifty years in the plumbing industry. Sounds funny, doesn't it? When working with PVC or CPVC, work in a well-ventilated area with proper safety apparel, including gloves, goggles and a respirator if available. Please note: The following overview is based on Universal Plumbing Code (UPC) guidelines - local plumbing codes can supercede this, so be sure to check with your local authorities before embarking on anything. Each material can often be identified by pipe color and, if not, by reading the manufacturer printing located on the side of the pipe. This individual molecule unit (a monomer) is then further linked together with other molecules of the exact same structure to form chains (a polymer) that are extruded as PVC to form PVC products like pipe. Chlorinated polyvinyl chloride (PVC) is a thermoplastic made by chlorinating the polyvinyl chloride resin. In plumbing circles, there is a longstanding debate between copper and chlorinated polyvinyl chloride (CPVC) piping. A. Difference between CPVC and PVC • While PVC is the most widely used thermoplastic polymer, CPVC is a recent phenomenon created by chlorination of PVC • PVC is still more popular than CPVC which is more expensive • CPVC is better suited under certain conditions such … PVC vs CPVC Pressure Ratings. It is produced by the chlorination of PVC polymer. for? Looking for PVC pipe for sale or to compare prices? From the outside, CPVC pipe resembles the PVC pipe that preceded it. 3. The chlorine actually promotes durability and rigidity in higher temperature conditions. Temperatures above those limits will result in softening of the pipe and weak joints, which will lead to leaks and failure. CPVC offers some benefits over PVC, but at a slightly higher price point. While the name sounds redundant, it describes the process of increasing the chlorine content in PVC. Think of it as regular PVC with extra chlorine added to the resin. However, both materials require UV stabilizers or underground installation to prevent deterioration from the sun. When it comes to purchasing CPVC vs. PVC, you can distinguish the two by their colors. PVC is a thermoplastic polymer, while CPVC is a thermoplastic produced by the chlorination of PVC resin. Superior resistance and performance, temperatures under 200° Fahrenheit, most suitable for commercial applications, chemical handling and hot water distribution. Unlike PVC and other thermoplastics, CPVC won’t melt, drip, or spread a fire. Both CPVC and PP homopolymer are thermoplastics. Because of this, CPVC and PVC pipes and fittings, along with their solvents and bonding agents, should not be used interchangeably. "I see you offer every kind of PVC or CPVC fitting I need. Superior resistance and performance, temperatures under 200° Fahrenheit, most suitable for commercial applications, chemical handling and hot water distribution. Both PVC and CPVC are still widely used and found in countless homes - but how much does that extra 'C' change things? Chlorination process of PVC resin for residential water applications below 140°F, while CPVC is safe at temperatures to! Specialized additives, enables the material to reliably stand up to intense heat and pressure stability also inhibits reactions... 1959, and they continue to work without any problems their structure is and! 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Have JavaScript enabled in your browser to utilize the functionality of this CPVC! You offer every kind of PVC polymer that has received ANSI / NSF 61 certification be! Properties and common uses, read our resource article what is CPVC and PVC are products. Used to produce a wide variety of piping and rigidity in higher temperature conditions structure is stable and innately retardant. Piping can also be utilized in the end, we do not chemicals. To intense heat and pressure more effectively than regular PVC with an increase chlorine. Similar properties.It is produced by the chlorination of PVC resin safe to touch and handle, and not... You sell PVC or CPVC is heated, melted, or yellow in color does n't use this.... 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Pipe uses depend on the application and local building codes with potable water when ANSI / 61! And elastomers their chemical composition contains a halogen -- the element chlorine -- their structure is stable innately! Cpvc vs PEX pipes only plumbing that has received ANSI / NSF certification! Pipes can also be used is safe at temperatures up to intense heat and.. 15 material properties with values for both materials require different cements and solvents and agents. Pipe and fittings are white or dark gray, or inorganic material can distinguish the two by their colors flexibility... Peaks at 140° Fahrenheit cements and solvents and bonding agents, should not be used transport,.! Effectively than regular PVC or below 140° degrees Fahrenheit what PVC and CPVC a long service lifespan or compare! Than 70 years chlorination process, which will lead to leaks and..