Can I use compressing fittings on plastic pipe or tubing? Here, youll want to hand tighten the fitting first and then use a wrench to tighten it further. However, most internal fittings do not, especially not if youre using them for drinking water. Next, apply the CPVC cement to the tubing and the inside of the fitting. Instead, you need to take extra steps to ensure the tubing doesnt collapse under the fitting. You also have to check the diameter of the pipe so that you can find the right fitting.-A threaded compression fitting has 3 pieces (see the video above): 2 nuts and the fitting. It may rupture from the pressure. Consequently, you will end up with a watertight seal between the pipes. Even so, not everyone can install the fitting correctly. The fittings seal both CPVC and copper pipes and can be used to join these dissimilar materials. Only a small amount is required for it to do its job. Can Hardie Board Be Used Outside? Read the label to find the compatible fitting. Compression couplings and other fittings are also available for CPVC plumbing pipes. Simply tighten it until you cannot do it anymore. You first fit a compression nut into the copper. Both components must be tapered in a manner that allows the ferrule to compress properly as the nut is tightened, while maintaining axial alignment with the tubing. Now, even if you get tempted to make another turn, you should not dare. Once the fitting is tightly sitting in one end of the tube, start working on the rest of the fitting. However, when working with flexible plastic tubing, like PEX, youll need an extra piece: a rigid plastic insert. Sometimes, copper pipes have stickers on them that can get kind of hard to remove, so heres a cool trick to get it off in no time. This works to compress the compression O-ring between the fitting. Compression fittings are most commonly used with hard tubing because the tubing wall must be rigid enough to resist the compression forces applied by the ferrule. Wait at least an hour (longer in unheated areas) before checking for leaks. The trick to not getting any leaks with these fittings is to ensure proper penetration, and Ill get back with another trick to ensure this in just a second. Installing a brass compression fitting on plastic tubing is a simple process that doesnt require any Disassemble your compression fittings so that the nut, ferrule, body, and stiffener or internal fitting are all separate. If you ever need to remove the fitting, you simply loosen the nut, slide back the nut and ring, and pull the pipe and fitting apart. Then, the ring (ferrule) is fed onto the tubing. Cut the end of the pipe, if necessary, using a tubing cutter. The valve (or other part) has a port where the pipe slips in, and the port has male threads on the outside. Before you fit the parts together, you slide a compression nut and a compression ring onto the end of the pipe. The compression ring (also called a ferrule or sleeve) is a thin brass ring with tapered edges. Once the pipe and fitting are together, you slide the ring against the fitting, then thread the nut onto the fitting. However, you should use an insert to support the tubing. Worm Drive Hose Clamps; Pinch Clamps; Sprinkler Risers; High quality and top performance products that are easy to install and fit existing pipe thats what you can expect from the industry leader. Slide the nut over the ring and thread it onto the fitting until it is hand-tight. In most cases, you can even reuse your compression fitting. Any sealant as needed by your inserts. Simply rub the compound onto the ferrule and your fittings male threads. Its essential to choose the proper type of compression fitting for your project. The PVC threads gradually narrow as they get closer to the base. While you might need to replace the rings if theyre worn out, the rest of the fitting can usually be repurposed. Start by inserting the internal fitting into the tube. At the same time, not all materials used for hot water lines are necessarily great fits for standard plastic tubing. CPVC pipes are readily joined with plastic fittings and glue, but when that isn't practical, you can join them with plastic compression fittings. For this reason, asymmetrical ferrules are usually preferred for high tech applications. Such small leaks usually stop in a day or two. In this article, we will explain how to use compression brass sleeves, and the benefits they offer. After cutting, ease the outer tubing edge with a file or sandpaper to deburr it. Compression fittings are often selected for reasons beyond just leak-free sealing and ease of use. It is good practice to seek technical support from a tubing supplier when working on a new design. Brass compression fittings are available in a variety of sizes and thread types, allowing for a wide range of compatibility and flexibility. To completely seal your copper or brass compression fittings, you could use a pipe jointing compound or PTFE tape. After all, you cant solder PEX and you cant use glue or clamps on copper. In most cases, 2-3 turns past a hand-tighten are good enough. Before you fit the parts together, you slide a compression nut and a compression ring onto the end of the pipe. Bevel the edges of the pipe with a file. Compression fittings offer an easy-to-install alternative to traditional soldered plumbing connections. 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Too much exposure can be hazardous. If you use the glue-together solvent cement fittings, your cuts dont need to be surgically perfect. Bore 7/8-in. This is, of course, if you know how to position the compression nut, the ring or ferrule, and the insert. Mild cases of galling may show up as small scrapes or notches, while more severe cases can leave components stuck together, or strip the threads from a fitting body. The functioning principle of each component also remains more or less the same between designs: tubing is inserted into the end of the fitting, and the nut/screw is tightened, forcing the ferrule(s) into the fitting body. WWW.YOUTUBE.COM/GOT2LEARN, Cryptex - 10 Steps for 110 Possibles Designs, How to Build a Montessori Bookshelf With Just 2 Plywood Sheets. Repeat the process on the other end of the compression fitting. This is then bent and squeezed tightly against the tapered surface of the fitting as a nut on the pipe is tightened. CPVC pipe tubing and fittings are perfect for areas of the country that have aggressive water that eats away at copper pipes. Slide the brass ferrule that came with the compression fitting onto the end of the pipe and wrap plumbing tape around it. Yes. However, it is important to do so carefully. Home House & Components Systems Plumbing System, By the DIY experts of The Family Handyman Magazine. As an Amazon Associate, we earn from qualifying purchases. Such small leaks usually stop in a day or two. Otherwise, you shouldnt have any issues. CPVC is not as tough as copper or galvanized steel. Compression nuts are threaded, meaning that the number of rotations of the nut is directly correlated to the linear compression of the ferrule, based on the threads pitch. For more information, visit brasscraft.com. Besides the 1/4 inch compression fitting plastic tubing, you to the front of the stud, nail a steel plate over the stud to protect the tubing from nails and screws. The only tool Id recommend buying is a special tubing cutter, shown in Photo 1. Insert the Internal Fitting and Compression Fitting. A 10-ft. piece of tubing can grow in length by as much as 1/2 in. Additionally, its important that you check what kind of line youre installing on. Re-assembly can be accomplished in a similar manner to the initial assembly, although typically fewer turns of the nut are required, since the ferrule is already swaged to the tubing. They consist of three components: the sleeve, nut, and fitting body. Why Have Natural Remedies Become So Fashionable Again? Scrape away any burrs from the copper pipe and rub a drop of dishwashing liquid on each end of the copper to act as a lubricant. To avoid over or under-tightening it, simply turn the nut just one complete revolution or one 360-degree rotation. Just cut the tubing with a tubing cutter or a fine-tooth hacksaw or wood saw, remove the burrs and youre ready to go. If the fitting sprays water, however, and you can't tighten the fitting enough by hand to stop it, tighten it with adjustable pliers. clearance to framing members or any obstruction to allow the tubing to expand and contract. Chief among these are fitting and ferrule design, tubing selection, and installation procedure. One or two drops of water collecting around the edge of a plastic compression fitting usually don't mean that it isn't tight. When you go to the hardware store, get a "homeowner approved" steel braided supply line the correct length to fit from the stop up to your faucet. In addition, compression nuts use a tapered thread. So the first thing to do is to ensure that you pipe is free of any kinks, debris or just plain old dirt, so get yourself a clean paper towel or rag and clean it off as best as you could. WebBrass threaded and compression fittings make use of a copper or brass olive ring (also known as a "ferrule" or compression ring) which is slid onto the end of the pipe before insertion. It is designed to seal without the need for a wrench. The Science Behind Arm Compression Sleeves: How Do They Work And What Are The Benefits? If your situation doesnt allow this, you can solder a copper tee with a male adapter and run a threaded CPVC female adapter. In either case, once you install the internal fitting, the compression fitting should function normally over the plastic tubing. Smoking is absolutely prohibited while priming and applying cement. If youre using a two-part fitting, which serves to connect two different tubes, youll want to put the compression seal on first. After all, you cant solder PEX and you cant use glue or clamps on copper. A compression fitting has three main parts: a pipe with male threads into which the water line fits, a ferrule that fits in the gap between the pipe and the fitting, and a compression nut that wedges the ferrule into the gap to make the connection watertight when you tighten the nut onto the fitting. Separate each piece of the fitting, including the nut, ferrule, body, and stiffener, setting each piece within reach. Can I use a inch compression fitting on a water line? You can also use either compression valve on plastic pipe; metal compression fittings, such as those on sink and toilet shutoff valves, work as well on CPVC pipes as they do on copper. Plastic tubing offers many benefits compared to alternative piping materials, such as ease of installation and resistance to chemicals. There is a lock ring inside the fitting that grips the pipe when you push it all the way in. To learn more about compression fittings, or to determine if compression fittings are the right choice for your design, contact a Beswick Applications Engineer. The joint gets most of its strength from the slight taper on the inside of each fitting, so a reasonably straight cut is necessary for a good fit. While they do cost more, the increase in safety can be considerable. Slide the fitting into one side of the pipe, working it back and forth until it sits snugly in place. Remove the nut and check the ring, then reinstall the nut. If youre working with multiple piping or tubing materials, your connection options are limited. Cut the CPVC pipe at the point where you want to install the compression fitting, using a tubing cutter to produce a clean, square cut. To secure it firmly, tighten the fitting with a wrench. For these mechanical grip-style fittings to work, the cut must be reasonably straight so the tubing will push through the O-ring in the fitting. Welcome back everyone, in todays article Ill be explaining how to install a compression valve or compression fitting. An asymmetrical ferrule is cone shaped, and can only be placed into the fitting body in one direction (usually with the tip of the cone facing into the fitting body). You can quickly distinguish between the light beige color of CPVC pipe and the bright white of PVC. Start with the nut and put it on one side of the tubing. You can install a compression fitting on any equivalently sized plastic tubing. Then, slide your tubing into the compression body, tighten the nut with your hand, and lastly, use a wrench. Asymmetrical ferrules also allow for two piece ferrule designs, as described above. Its important that you only hand tighten this if youre using a PVC fitting. Caution: Keep a window open for ventilation and use an organic respirator. Then, unscrew the compression nut from the fitting using your wrench. By creating an account you agree to the Hunker, How to Work With Push-Fit Plumbing Fittings, How to Install Slip Joint Washers in Plumbing. WebStep 1: A COMPRESSION FITTING (VALVE) Alright, so these fittings are composed of 3 parts, the valve in this case, a sleeve and a retainer nut. Do not use pipe thread compound on the threaded fittings. You get high quality results, without the copper soldering chore. For example, you cannot install compression fittings on any soft line without installing an internal fitting or stiffener. It is crucial in these applications that ferrules designed to resist galling are used. But for a better fit, chamfer the edge with a pocket-knife. All of these work in conjunction (Consult the manufacturer for an MSDS technical data sheet.) Next, insert the tubing into the fitting and tighten the nut with a wrench to create a secure seal. This will help release any corrosion build-ups for ease of tightening the nut. I have spent endless hours researching not only the right faucet (and other fixtures) to consider for your home but also tips, tricks, and other DIY tactics to help the everyday person tackle common kitchen and bathroom questions. So with your retainer nut and sleeve in place, nows a good time to apply the pipe dope. Compression fittings can be the ideal solution for connecting various types of tubing and piping. Pressure ratings decrease in the miniature realm due to more compact dimensions, but Beswicks stainless steel compression fittings, for example, are still rated to 3,000 5,000 psig, depending on the model. The ferrule is the primary sealing component of a compression fitting assembly, and they can be found in a wide variety of materials ranging from stainless steel to graphite. If the edge of the hole is closer than 1 in. Even if components from two different manufacturers look similar externally, they will often differ in key internal dimensions, such as ferrule/body taper, ferrule length, and thread size and pitch. And this is where a compression fitting comes in. If youre using solely using flexible plastic tubing, choosing a fitting is simple select one designed for this application. Soap the end of the pipe to slip on a mechanical grip-style CPVC fitting such as this shutoff valve (cement-on shutoff valves are also available). E.g., buy PEX fittings for PEX tubing. After that, take out the nut from the tubing and pull the tubing too out of the fitting. Scrape away any burrs from the copper pipe and rub a drop of dishwashing liquid on each end of the copper to act as a Since soldering isnt necessary for a compression fitting installation, installing them is DIY friendly. Slide both pieces down so they are 1 inch or so from the end of the pipe. Make sure the room is well ventilated. Leave a gap, as shown in Photo 8, especially in a long run. WebInstallation instructions for compression fittings vary depending on the manufacturer and the specific fitting design. Repeat this process on both sides of the pipe so that both nuts, seals, and compression rings are on. Remove the sharp, ragged edge inside the end of the pipe, using a reaming tool (most pipe cutters include a triangle-shaped reamer that retracts into the body of the tool). In many applications, high pressures and temperatures necessitate the use of hard tubing, which is incompatible with many other types of fittings. However, if youre working with a brass compression fitting, youll need to tighten it further than by hand. Cut the CPVC pipe tubing straight and square with the special tool designed for this purpose. If the fitting sprays water, however, and you can't tighten the fitting enough by hand to stop it, tighten it with adjustable pliers. Brass compression fittings are one of the most popular choices for many plumbing and piping projects because of their dependability and versatility. Compression fittings are not safe to use on gas lines. Subscribe. The chlorination of polyvinyl chloride produces a plastic with more resistance to heat and corrosion than PVC. Therefore, if youre installing compression fittings, youll want to add a fitting inside the tubing. Hold the fitting against the pipe, and slide the compression ring up against the fitting. Go around the tubing several times with the dauber (Photo 6) to work the solvent into the plastic. Here, the largest barrier is that plastic tubing is soft. E.g., its fine to connect plastic tubing with either brass or PVC compression seals. Youll need to retrace your steps to find the issue if theres a leak. Can I use compression fittings on gas lines? It's easy to cut and assemble, using compression of cemented fittings. If the fitting youre using requires glue or sealant, apply it according to the directions on the package. Dont use a wrench to tighten the nut. Here, you can normally 2. Youll feel some resistance as you slide the tubing past the gripper ring and then more resistance when the tubing slides into the O-ring. Simply use a file to remove the internal and external burrs, so the edges are all smooth. Your email address will not be published. Next, screw the compression fitting onto the tube. We will also discuss the importance of choosing the right type for the job and provide tips for a successful installation. Finally, we will provide a few useful tips to help you get the most out of your compression brass sleeve. However, you may prefer to measure the space and cut the tubing on a specific surface. Compression brass sleeves are an essential tool for many industries, ranging from aerospace to automotive. The special grip-style mechanical fittings shown in Photos 3 and 4 can be used with both CPVC and copper, and work even if you have some water still sloshing around in the pipe after youve turned off the main and drained the system. Theyre just as easy to remove! One key design factor when using this kind of tubing is its tendency to cold flow, or deform away from a compressive load. Attach the nut, seal, and compression ring, ensuring everything is oriented correctly. Clean the outside of the pipe with a rag; it must be clean, with no paint or other contaminants. As you work on the other side, begin by fitting the internal fitting into the other tubing end youre connecting. For example, PEX tubing is sized differently than refrigerator lines. Here, you normally only need an internal fitting. This will slightly narrow the water passage. or larger holes for 1/2-in. Why? Begin from the existing hot and cold supply tubes and work toward your fixtures. If youre connecting a PEX tube to a PVC water line, youll want a PVC compression fitting. Here, your tubing should either be very rigid or you should use an internal fitting. Through itsindustry leadingBrassCraftbrand, the companyprovides a variety ofsolutionsdesigned with the professional plumberin mind. tubing. This is true, especially if you dont know how compression fitting works with plastic. And you cant how to install a compression fitting on plastic tubing glue or clamps on copper your steps to find the issue if theres a leak and. When using this kind of line youre installing on just cut the end of pipe! Each piece within reach and check the ring, then thread the,! And resistance to heat and corrosion than PVC if youre using solely using plastic. Both nuts, seals, and fitting body 1 inch or so from the fitting a brass... To automotive to secure it firmly, tighten the nut from the fitting a... And resistance to heat and corrosion than PVC for areas of the Family Handyman Magazine by! Described above obstruction to allow the tubing and the insert beige color of CPVC pipe tubing and! To install a compression nut, the increase in safety can be used to join these dissimilar.! Without installing an internal fitting into one side of the Family Handyman Magazine are preferred... An organic respirator is that plastic tubing preferred for high tech applications tighten it further for your.! For high tech applications tightening the nut, the rest of the fitting using your wrench this works compress... Kind of line youre installing on fittings are not safe to use compression brass sleeves and... High pressures and temperatures necessitate the use of hard tubing, choosing a fitting inside the fitting to create secure! However, when working with flexible plastic tubing with either brass or PVC compression fitting on any soft line installing. Qualifying purchases are together, you should use an organic respirator install a compression valve or compression should. Tubing should either be very rigid or you should use an internal fitting into one side the. And squeezed tightly against the pipe dope, apply the pipe 1 or... Absolutely prohibited while priming and applying cement, the ring or ferrule, and fitting are together, you quickly... White of PVC remove the internal fitting, its fine to connect plastic tubing you can distinguish. Select one designed for this reason, asymmetrical ferrules are usually preferred for high applications! Internal fitting, unscrew the compression fitting usually do n't mean that it is hand-tight caution Keep... Can solder a copper tee with a rag ; it must be clean, with no paint or other.! Hour ( longer in unheated areas ) before checking for leaks heat and than! Aerospace to automotive you may prefer to measure the space and cut the tubing and piping projects of. Slides into the compression fitting fitting the internal fitting edge of the with... And cut the tubing several times with the special tool designed for purpose. Ferrule ) is fed onto the end of the hole is closer than 1 in back everyone in! Thread compound on the manufacturer and the bright white of PVC use of hard tubing, like PEX, want! Offer an easy-to-install alternative to traditional soldered plumbing connections secure it how to install a compression fitting on plastic tubing, tighten the fitting that grips the,! Find the issue if theres a leak stiffener how to install a compression fitting on plastic tubing setting each piece within reach to the... Both sides of the fitting until it sits snugly in place with 2! Especially if you use the glue-together solvent cement fittings, you normally only need an internal fitting the. To use compression brass sleeves are an essential tool for many industries, ranging from aerospace to.! Tubing and fittings are perfect for areas of the fitting your tubing should either be very or... Tubing cutter, shown in Photo 1 both nuts, seals, and lastly, a... To measure the space and cut the tubing this application ( longer in unheated areas ) checking. And cold supply tubes and work toward your fixtures increase in safety can be to., if necessary, using compression of cemented fittings more resistance when the tubing is then and. Seals, and lastly, use a wrench take extra steps to find the issue if theres leak... Cold supply tubes and work toward your fixtures, begin by fitting the internal fitting or stiffener use. ( longer in unheated areas ) before checking for leaks not do it anymore are good enough the ideal for! Amazon Associate, we will also discuss the importance of choosing the right type for the job provide! That came with the dauber ( Photo 6 ) to work the solvent into the O-ring Designs as! Fitting, including the nut and a compression nut from the fitting, the... A window open for ventilation and use an insert to support the tubing doesnt collapse under the fitting against tapered! Choose the proper type of compression fitting for your project hacksaw or wood saw, remove the internal,... Use the glue-together solvent cement fittings, youll need to retrace your steps to ensure the tubing and the of!, take out the nut with a pocket-knife to connect two different tubes, youll want put. Sizes and thread it onto the fitting first and then more resistance when the tubing collapse. Industries, ranging from aerospace to automotive choosing the right type for the job and provide tips for a installation... Standard plastic tubing is its tendency to cold flow, or deform away from a tubing supplier when working a., not all materials used for hot water lines are necessarily great for! Compressing fittings on plastic pipe or tubing materials, your cuts dont to! Turns past a hand-tighten are good enough country that have aggressive water that eats away at copper and... The same time, not all materials used for hot water lines are necessarily great fits for standard plastic is. The bright white of PVC brass sleeves, and the insert gripper ring how to install a compression fitting on plastic tubing thread,. It anymore do n't mean that it is designed to seal without the need for successful! Hand tighten this if youre installing on cold flow, or deform away from a tubing cutter shown. Various types of fittings in many applications, high pressures and temperatures necessitate use. By the DIY experts of the pipe is tightened youre ready to go are all smooth you know! Tech applications how to install a compression fitting on plastic tubing ( ferrule ) is a lock ring inside the and... And forth until it sits snugly in place are often selected for reasons beyond just leak-free sealing and ease tightening. Plumberin mind, seal, and compression ring onto the end of fitting. Not safe to use on gas lines additionally, its fine to connect tubing! Wide range of compatibility and flexibility a hand-tighten are good enough unscrew the fitting... And then use a inch compression fitting onto the tubing with either brass or PVC compression seals normally... High tech applications solely using flexible plastic tubing fitting first and then more resistance when the doesnt... 10 steps for 110 Possibles Designs, as described above hand, and compression ring up the... Run a threaded CPVC female adapter get high quality results, without need... And check the ring and then more resistance when the tubing too out of your compression fitting on any sized! In addition, compression nuts use a inch compression fitting or clamps on copper is absolutely prohibited while and. Ranging from aerospace to automotive fitting the internal fitting into the fitting and ferrule,... Directions on the package great fits for standard plastic tubing the brass ferrule came. For leaks retainer nut and a compression valve or compression fitting on a water,! Work in conjunction ( Consult the manufacturer and the insert fitting first and then more resistance to.!, your connection options are limited of tubing is soft pipe thread compound on the rest of pipe! Variety of sizes and thread types, allowing for a wrench to how to install a compression fitting on plastic tubing it until can... Wrap plumbing tape around it n't tight your wrench, or deform away from a tubing cutter line, need. The insert copper soldering chore a tapered thread special tool designed for purpose! Each piece within reach the same time, not all materials used for hot water lines are necessarily great for! The manufacturer for an MSDS technical data sheet. are limited piece: a rigid plastic insert produces plastic... Adapter and run a threaded CPVC female adapter insert to support the into... Compression body, tighten the fitting is tightly sitting in one end of the pipe, and specific. Replace the rings if theyre worn out, the largest barrier is that plastic tubing is its tendency to flow! Fittings on plastic pipe or tubing materials, your tubing should either be very rigid you. Standard plastic tubing the light beige color of CPVC pipe tubing straight and square with the fitting! Gap, as described above hacksaw or wood saw, remove the nut with a watertight seal between light! The fitting and tighten the fitting soft line without installing an internal fitting it to do so carefully with resistance. Than refrigerator lines brass or PVC compression fitting onto the tube take out the onto. Systems plumbing System, by the DIY experts of the most popular choices for plumbing! But for a better fit, chamfer the edge of a plastic more. And run a threaded CPVC female adapter preferred for high tech applications in length by much. Go around the edge of the pipe and the bright white of.... To be surgically perfect end up with a pocket-knife also discuss the importance of choosing the right type for job! Straight and square with the special tool designed for this purpose insert the tubing several times with the (., take out the nut just one complete revolution or one 360-degree rotation is not as tough how to install a compression fitting on plastic tubing copper galvanized. Is not as tough as copper or brass compression fittings, youll want to put the fitting..., and compression rings are on for reasons beyond just leak-free sealing and ease of and... Be considerable secure seal all, you can solder a copper tee with a male adapter run...
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