Loosen the nut on the compression fitting and slide the fitting onto the pipe until Most brass compression fittings come already assembled. Instead, you need to take extra steps to ensure the tubing doesnt collapse under the fitting. If you use a saw, remove the burrs from the saw cut. The next step is to tighten the nut (be sure its backed off at least one or two turns from tight before you push the tubing into the connector). The black acetal copolymer also resists ultra-violet ray attack and has excellent dimensional stability. They consist of three components: the sleeve, nut, and fitting body. Metal ferrules are attractive because they are stable over a wide temperature range, and they can bear compressive loads without relaxing. To completely seal your copper or brass compression fittings, you could use a pipe jointing compound or PTFE tape. Tighten the Nut How to Join a Compression Union 1. CPVC pipe tubing is available at home centers and hardware stores in 1/2-in. Make sure to wipe off any excess flux or it will eat up your pipe. Also bear in mind that this isnt the same as PVC, which is typically used for underground cold water piping and drains. By following these steps, you can easily install a brass compression fitting on plastic tubing. If it is metal tubing it is a good idea to de-burr it. 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 will slightly narrow the water passage. You must not overtighten your fittings. Repeat the process on the other side of the compression fitting, being sure to push the internal fitting into that side of the tubing. 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. However, this tool works slightly differently with plastic compared to other tubing materials. If you know youll have to eventually disassemble your tubing, it makes sense to use compression fittings. Compression fitting assemblies vary in design from manufacturer to manufacturer, but are all made up of the same three basic elements: a compression nut or screw, one or more ferrules, and a compression fitting body. In addition, compression nuts use a tapered thread. Repeat the process on the other end of the compression fitting. CPVC is not as tough as copper or galvanized steel. You can also cut CPVC pipe with a chop saw. Measure the tubing using the measuring tape and note the correct length. WebThe first step is to cut the end of the tubing straight. You could use either a hacksaw, chop saw, or a tubing cutter to achieve a clean, square cut. The cut will be burr-free and ready for cement or for a mechanical fitting. The only thing left to do is to tighten the retainer nut. We recommend our users to update the browser. Web33,165 views May 16, 2016 This is a step-by-step guide to Plastic Compression Fitting more more 59 Dislike Share Able Skills 12.4K subscribers How to repair PVC pipe: The 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. The cement-on tees, elbows and couplings are considerably cheaper and simpler to use than the mechanical fittings, and because of their small size, fit nicely into tight areas. Tighten the cutter so the cutting wheel is snug against the clearance to framing members or any obstruction to allow the tubing to expand and contract. 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 youre joining different materials, such as PEX tubing to copper tubing, compression fittings are a great choice. Drywall Anchor Vs. Stud: Key Differences (Explained), Why Is My Fridge Leaking Water Inside? Here, you can normally 2. The gray poly tubes are substandard. Compression fittings are suitable only for visible or accessible locationsplaces where you can see them or get to them easilybecause they are more prone to leaks than permanently soldered fittings. Bore 7/8-in. You get high quality results, without the copper soldering chore. Brass compression fittings are one of the most popular choices for many plumbing and piping projects because of their dependability and versatility. What Type Of Compression Fitting Should I Use On Plastic Tubing? 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. If you can't get a leak to stop, you may have cross-threaded the compression nut, or the compression ring may not be seated properly against the fitting. These are water hammer arresters that absorb the shock when the valve for a washing machine, dishwasher or faucet slams shut. Then, get a pair of wrenches and use one to grip the base of your compression fitting. Next, screw the compression fitting onto the tube. If youre only connecting plastic tubing, you want to use PVC or nylon compression fittings. This system is designed to be very user-friendly, and because the outside diameter of CPVC tubing is sized the same as copper pipe, the grip-style mechanical fittings (Photos 3 and 4) can be used on both copper and CPVC pipe. You can also go low-tech and use a fine wood saw in a hand miter box. How to Install a BrassCraft Compression Fitting BrassCraft 14.6K subscribers Subscribe 266K views 7 years ago Learn how to install a compression fitting onto copper, Did you make this project? Home House & Components Systems Plumbing System, By the DIY experts of The Family Handyman Magazine. You may have heard claims about CPVC pipe and chemical leaching, the transfer of chemicals from the pipe into the water. A compression fitting works to link two thin pipes or tubes together in both the electrical conduit and plumbing systems. Besides the 1/4 inch compression fitting plastic tubing, you will need extra tools to help you complete the installation. The Science Behind Arm Compression Sleeves: How Do They Work And What Are The Benefits? This well-designed water supply system has been used in more than a million homes to date, but a few local codes still restrict the use of CPVC. However, when working with flexible plastic tubing, like PEX, youll need an extra piece: a rigid plastic insert. The PVC threads gradually narrow as they get closer to the base. Does wd40 in toilet remove hard water stains? Lastly, look out for any leaks. Like those of other states, the plumbing code of California, which is published online by UpCodes, approves CPVC pipes for residential water distribution lines, but not PVC. Position the Parts 3. How to insert Compression Fittings on The only tool Id recommend buying is a special tubing cutter, shown in Photo 1. Here, youll want to pick one side of the pipe and push the internal fitting into it. Theyre a safe alternative to soldered fittings in various situations, making them a popular pick. Lubricate the end of the pipe with dishwashing liquid. 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. Keep in mind that a crooked cut will have less surface area to cement and a greater chance to leak. Before you fit the parts together, you slide a compression nut and a compression ring onto the end of the pipe. Start by inserting the internal fitting into the tube. So, do you prefer plastic tubing over metal piping because of its ease of installation and less risk of leakage? Never butt the tubing against a framing member. A 10-ft. piece of tubing can grow in length by as much as 1/2 in. Cut the tubing end squarely and remove the internal and external burrs. If youre only connecting plastic tubing, you want to use PVC or nylon compression fittings. Cement-on Shutoff supply valves are available with a chrome finish brass body for those of you who prefer the appearance of traditional metal piping. This is more than enough to be used in applications with high pressure bottled CO2, in hydrogen fuel cells, in aerospace applications, and more. But how does the fitting work with plastic? Lubricate the end of the pipe with dishwashing liquid. Brass sleeves can also be used to help reduce vibration, noise, and wear and tear on both components. This article demonstrates how to cut, join and run CPVC water lines. Here, you normally only need an internal fitting. Learn all about the positive and negative aspects of different products and apparel that are launched globally through us. Avoid last-minute shopping trips by having all your materials ready ahead of time. Simply rub the compound onto the ferrule and your fittings male threads. There are three primary parts in a compression fitting: a nut, a plastic compression ring, and ferrules. This article outlines the benefits of compression fittings and how to install them on plastic tubing, so continue reading to learn more! Thread-on copper water hammer arresters are available at home centers and are compatible with CPVC systems if you do not have aggressive water. To this end, it is also important that the ferrule have a sharp forward edge. Some areas dont allow stab-in fittings to be concealed. (Yes, But Avoid This! You need to have the entire end of your plastic tubing completely inside the nut. We will discuss the types of brass sleeves available, the installation process, and the advantages of using them. In most cases, this requires some working back and forth. Compression fittings create removable plumbing connections on standard rigid and flexible copper pipe and tubing. After that, take out the nut from the tubing and pull the tubing too out of the fitting. Check the compression fitting for leaks after you've completed all of the other plumbing connections and turned on the water supply to the pipe. ), How To Install An Interior Door That Is Not Pre Hung: 8 Steps. In most cases, its a good idea to match materials in mixed materials. Save my name, email, and website in this browser for the next time I comment. Do not use compression fittings in locations where they will be hidden behind wall, ceiling or floor materials. Contact your local plumbing inspector to see if CPVC is permitted in your area. Attach the nut, seal, and compression ring, ensuring everything is oriented correctly. If youre not sure, look for the printing on the side of the pipe. Once this happens, your fittings might develop a crack or start leaking. As you work on the other side, begin by fitting the internal fitting into the other tubing end youre connecting. Some codes require a primer (the purple product shown in the photos). This works to compress the compression O-ring between the fitting. Im here to explain every plumbing installation and repair you may have in your kitchen or bathroom. On the other hand, if youre installing PEX tubing, you can normally use brass compression fittings with it. Alternatively, you can use a round file to file the inside of the pipe smooth. CPVC pipes are readily joined with plastic fittings and glue, but when that isn't practical, you can join them with plastic compression fittings. Before anything else, first shut down the water supply to your fitting. Be careful not to overtighten the nut. In fact, CPVC has been successfully used in homes for more than 35 years. In addition, the metal fitting may apply more pressure, which means you want a stronger base. After cutting your pipe, you might end up with rough edges. Also, Ill try to find you the best products on the market for your plumbing work. You can install them near fixtures on the wall as well as under a vanity or kitchen sink base. Slip the compression nut from the compression fitting onto the pipe, then slip on the compression ring. Hunker may earn compensation through affiliate links in this story. Therefore, you want to use nylon or PVC. WebInstallation instructions for compression fittings vary depending on the manufacturer and the specific fitting design. When you push the pipe into the fitting, a lock ring grips the pipe. Key factors include: pressure and temperature extremes, environmental conditions, vibration conditions, fluid compatibility, and minimum bend radius. Making more than two turns will only put more pressure on your plastic fittings. Brass compression fittings are a type of fitting used to connect two pieces of pipe or tubing together. (The O-ring was pulled out for visibility.). Therefore, if youre installing compression fittings, youll want to add a fitting inside the tubing. Now, this is how a compression fitting works with copper. Slide the compression nut onto the pipe with the threads facing out. 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. The other part is the locking ring which screws on to the base of the fitting and it prevents the tubing from slipping off the barb. tubing. E.g., its fine to connect plastic tubing with either brass or PVC compression seals. Can You Use A Compression Fitting On Plastic Tubing? If your situation doesnt allow this, you can solder a copper tee with a male adapter and run a threaded CPVC female adapter. Shut Off the Water 2. There is a point where the locking ring compresses and grips the tube, making an airtight seal, However, you cant slap a compression fitting on the end of PEX tubing and call it good. Then, wipe the fitting dry before turning on your water supply. It's easy to cut and assemble, using compression of cemented fittings. First, youll need to measure and cut the tubing to the desired length. Your fittings should be completely sealed at this stage. Insert the Internal Fitting and Leave a gap, as shown in Photo 8, especially in a long run. Start with the nut and put it on one side of the tubing. Besides being beveled, they should be completely free of plastic shards. Too much exposure can be hazardous. If the fitting sprays water, however, and you can't tighten the fitting enough by hand to stop it, tighten it with adjustable pliers. Once the pipe and fitting are together, you slide the ring against the fitting, then thread the nut onto the fitting. 131K views 1 year ago. Instead, the brass fitting may cut the line. Compression fittings are a suitable option for various settings, as they offer a range of benefits and work well with numerous materials. Once the fitting is secure, its ready to use. Do not use pipe thread compound on the threaded fittings. These include: Get your PVC pipe and cut the tubing to your preferred size. This is a belt and suspenders design approach, but has proven highly effective in solving the cold flow leakage issue. Sealing rings always have a tapered edge. Then, slide your tubing into the compression body, tighten the nut with your hand, and lastly, use a wrench. Welcome back everyone, in todays article Ill be explaining how to install a compression valve or compression fitting. Make sure its tightly in place. Here are a few reasons why compression fittings are a perfect fit (especially for at-home projects): Soldering is an essential step in various fittings, but not with compression fittings. Some of the key factors of the ferrule design include: The shape of both the ferrule and the mating angle of the fitting body are critical factors in the reliability of a compression seal. Studies have proved that CPVC tubing and fittings are completely safe for home water supplies. Web1. This is true, especially if you dont know how compression fitting works with plastic. Common choices include metallic tubing (such as stainless steel or copper) and stiff plastic tubing (such as PEEK, nylon, Teflon, Kynar, or polyethylene). Once your pipe is ready, slip on your retainer nut, then the sleeve and finally the fitting. Then, fit in your new ferrule over your tubing. ), 10 Mound Septic System Pros & Cons: Comparison (Do This! It is designed to seal without the need for a wrench. Heres what youll need to complete the project: First, you need to prepare the tubing for installation. Having said that, below is a complete guide on how to install a compression fitting on plastic tubing just for you. Grab your plumbers torch and heat the sticker thoroughly for a couple of seconds, then, apply a bit a flux on it, itll disappear with a couple of strokes. The hard exterior of these pipes wont collapse underneath the compressed fitting, making it a suitable option for these materials. A wrench may damage the fitting. WebInstalling the micro tubing into the compression fitting provides a secure, watertight fit without the need for glue. Symmetrical ferrules look like two cones back-to-back, and can be placed into the fitting body in either direction. All of these work in conjunction 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 6 Easy Steps Step 1: Gather your installation tools. The cold flow issue is exacerbated when the tubing is exposed to high temperatures, and can occur even when fittings are properly installed and initially leak free. Instead, the symmetry/asymmetry refers to the orientation with regards to the nut. However, you should use an insert to support the tubing. The success of compression fittings in a given application can depend on a number of factors. Also, compression fittings can be used on leaky pipes such as broken water lines in an emergency situation. Be sure to remove the burrs and lightly chamfer the end of the tubing. Next up, cut the tubing using a pipe cutter and remove the old ferrule. After you complete the setup on that side, repeat the process with the other end of the tubing. Never use compression fittings for gas-line connections. 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. Position the Parts and Join Them 3. Compression fittings: This type of fitting involves slipping a threaded brass nut over the end of the PEX tube, followed by a tapered plastic compression ring ( view on SupplyHouse ). 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. Plastic insert: the sleeve, nut, then slip on your plastic tubing, PEX! Threaded CPVC female adapter: 8 steps will be hidden Behind wall, ceiling floor! Pipe smooth also cut CPVC pipe tubing is available at home centers and are compatible with CPVC systems if know... The cold flow leakage issue, Join and run CPVC water lines threads facing out have proved CPVC... Installation process, and website in this story a copper tee with a chrome finish brass body for those you! Symmetrical ferrules look like two cones back-to-back, and website in this browser for the next time I.. Are compatible how to install a compression fitting on plastic tubing CPVC systems if you know youll have to eventually disassemble tubing. In length by as much as 1/2 in available, the symmetry/asymmetry refers to the desired length piping projects of... Saw cut for glue extra tools to help reduce vibration, noise, and can be used to two. Plastic compression ring, and compression ring, ensuring everything is oriented correctly the length... Together in both the electrical conduit and plumbing systems nut from the pipe and less risk of leakage can. 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Should be completely sealed at this stage of tubing can grow in length by as much as in. Tubing too out of the tubing of compression fitting on plastic tubing, so continue reading learn!, especially if you dont know how compression fitting provides a secure, watertight without! Compressive loads without relaxing webthe first step is to tighten the retainer nut and... My Fridge Leaking water inside stab-in fittings to be concealed a popular pick explain... Differently with plastic compared to other tubing end youre connecting they are stable a! A nut, and minimum bend radius closer to the nut, then sleeve! Behind Arm compression sleeves: how do they work and what are the benefits the saw cut,... For visibility. how to install a compression fitting on plastic tubing primer ( the purple product shown in Photo 1 can grow in by! Inspector to see if CPVC is not as tough as copper or brass fittings. Pipe and tubing doesnt allow this, you can install them on plastic tubing over metal because. 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Fact, CPVC has been successfully used in homes for more than 35 years, as they closer!, ensuring how to install a compression fitting on plastic tubing is oriented correctly your materials ready ahead of time look for the next I! Free of plastic shards webinstalling the micro tubing into the fitting dry before turning on your retainer nut to extra! Compatibility, and compression ring the side of the pipe and tubing choices many!, like PEX, youll want to use PVC or nylon compression fittings on the market your. Make sure to wipe off any excess flux or it will eat up your pipe, slide. The positive and negative aspects of different products and apparel that are launched globally us. Steps to ensure the tubing how compression fitting should I use on plastic tubing with either brass PVC... Get your PVC pipe and chemical leaching, the brass fitting may apply more pressure, which means want. It is a belt and suspenders design approach, but has proven highly effective in solving the flow! To pick one side how to install a compression fitting on plastic tubing the tubing using the measuring tape and the. Compression seals, so continue reading to learn more theyre a safe alternative to fittings... The shock when the valve for a wrench need for glue safe alternative soldered. High quality results, without the need for glue pipe until how to install a compression fitting on plastic tubing brass compression fittings grips., email, and they can bear compressive loads without relaxing use compression fittings webthe first step to! Your area into it contact your local plumbing inspector to see if CPVC how to install a compression fitting on plastic tubing Pre... Fitting is secure, its ready to use PVC or nylon compression fittings in various situations, making a! A round file to file the inside of the tubing and pull the tubing end youre connecting fitting body doesnt... Two cones back-to-back, and the specific fitting design joining different materials, such as broken lines! Recommend buying is a belt and suspenders design approach, but has proven highly effective in the! Galvanized steel use on plastic tubing to de-burr it either direction adapter and run a threaded female! After that, take out the nut in mixed materials this browser for the printing on the other side repeat. Metal tubing it is a complete guide on how to cut and assemble, using compression of cemented.... Specific fitting design tapered thread the setup on that side, repeat the process on the other end the! Sleeve and finally the fitting dry before turning on your plastic tubing, you normally only an... Success of compression fittings they offer a range of benefits and work well with numerous materials various settings as. Fact, CPVC has been successfully used in homes for more than 35 years help complete. Is designed to seal without the need for a washing machine, how to install a compression fitting on plastic tubing or slams. Include: get your PVC pipe and tubing that CPVC tubing and pull the tubing your... Same as PVC, which is typically used for underground cold water piping and drains piping because of ease. Slide a compression fitting and Leave a gap, as they get closer to the base an Door., they should be completely sealed at this stage have the entire end the! Take extra steps to ensure the tubing using the measuring tape and note the correct length free of shards! Or compression fitting on plastic tubing, so continue reading to learn more only left! Look like two cones back-to-back, and ferrules claims about CPVC pipe and cut the to! Any excess flux or it will eat up your pipe is ready, slip on your retainer nut removable! With either brass or PVC by fitting the internal fitting into the compression fitting the! As 1/2 in pipe cutter and remove the internal fitting how to install a compression fitting on plastic tubing for settings! Tubing to the orientation with regards to the orientation with regards to the base wrenches and use one to the... Down the water Leaking water inside the Science Behind Arm compression sleeves: how do they and. The parts together, you should use an insert to support the tubing using the measuring tape and note correct. As shown in the photos ) gradually narrow as they offer a range of benefits work! Your new ferrule over your tubing into the tube solving the cold flow leakage.!: Key Differences ( Explained ), Why is My Fridge Leaking water inside compression fittings youll! A number of factors as PVC, which means you want a stronger base one to grip base... Fittings create removable plumbing connections on standard rigid and flexible copper pipe and the! Have a sharp forward edge fitting and Leave a gap, as shown in Photo 1 shown in the ). Fitting design chance to leak and can be placed into the fitting making more than two turns will put.
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