PlumbingSupply.com advises not to wrap plumbing tape around the threads. Add shutoff valves using mechanical fittings as well. One factor to plan for in these high purity applications is galling. Then, press the sealing ring onto that. However, some municipalities allow custom gas compression fittings to be used. Furthermore, tubing that has been stored in coils can often have an asymetrical diameter, preventing even compression. Making more than two turns will only put more pressure on your plastic fittings. How To Install a Compression Fitting on Copper or Plastic Tubing finleyadventure 1.03K subscribers Subscribe 821K views 10 years ago Larsen Supply On the other hand, if youre installing PEX tubing, you can normally use brass compression fittings with it. 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. This type of cutter is designed to produce straight, burr-free cuts on CPVC and PVC tubing. Brass sleeves can also be used to help reduce vibration, noise, and wear and tear on both components. While they do cost more, the increase in safety can be considerable. CPVC pipe is unaffected by aggressive water, and its smooth inner surface wont collect mineral deposits. Here, the joint will never be under pressure. So, be sure the sealing ring is situated correctly, with it facing the compression fitting, not the nut. Plastic tubing offers many benefits compared to alternative piping materials, such as ease of installation and resistance to chemicals. Torque, on the other hand, can vary greatly, depending on fitting and ferrule material, lubrication, degree of galling (for stainless fittings), and other factors. If youre using copper or brass fittings, use copper or brass internal fittings. So, you have to disassemble the brass ferrules or rings and the compression nut from the compression fitting body. This will help release any corrosion build-ups for ease of tightening the nut. If you know youll have to eventually disassemble your tubing, it makes sense to use compression fittings. Why? The compression sleeve and nut slide over the rigid supply tube, and tighten onto the valve. There are three primary parts in a compression fitting: a nut, a plastic compression ring, and ferrules. And the best part? This is true, especially if you dont know how compression fitting works with plastic. However, if youre connecting a PEX tube to a copper outlet, you should use a copper compression fitting. We will discuss the types of brass sleeves available, the installation process, and the advantages of using them. Avoid last-minute shopping trips by having all your materials ready ahead of time. While an elastomeric seal can deform to match these slight variations, the metal-to-metal seal of a compression fitting is less forgiving. Loosen the nut on the compression fitting and slide the fitting onto the pipe until the end of the pipe is fully inside it. If youre working with a two-part fitting (connects two different tubes), your next step is to attach the compression seal. For the mechanical fitting shown, we removed 1-1/2 in. Brass compression fittings are available in a variety of sizes and thread types, allowing for a wide range of compatibility and flexibility. Another method is to solder in a tee and a PEX supply adapter. Installing a brass compression fitting on plastic tubing is a simple process that doesnt require any The success of compression fittings in a given application can depend on a number of factors. Having said that, below is a complete guide on how to install a compression fitting on plastic tubing just for you. Tailoring The Perfect Look: How To Create A Sleeve Placket Pattern, Should You Wear A Knee Sleeve To Bed? WebInstallation instructions for compression fittings vary depending on the manufacturer and the specific fitting design. Kristin Simpson is a full-on fashionista. Turn off the water again and cut off the caps. Do not use compression fittings in locations where they will be hidden behind wall, ceiling or floor materials. Studies have proved that CPVC tubing and fittings are completely safe for home water supplies. The valve (or other part) has a port where the pipe slips in, and the port has male threads on the outside. Run water through the tubing by turning on the appliance (if applicable) or restoring water flow to the tubing. In most cases, you can reuse the compression fitting. A compression fitting is not a specific plumbing part but rather a type of fastening system for valves, water supply tubes and other plumbing fittings. To ensure that the fitting is properly seated, what I like to do is tighten it ever so slightly, then hit the back of the fitting to ensure its seated properly, as opposed to hitting it without tightening it, it would bounce back and not seat properly. Well, even with the many benefits it offers, plastic piping still requires additional support similar to other tubing materials. If youre joining different materials, such as PEX tubing t. compression fittings are a great choice. Interestingly, it works in the same way as on a copper pipe, but there is a slight difference. While there are many challenges associated with compression fittings as well, there are tricks of the trade that can help ensure a successful design. Slide the nut over the ring and thread it onto the fitting until it is hand-tight. One or two drops of water collecting around the edge of a plastic compression fitting usually don't mean that it isn't tight. Therefore, you should never use compression fittings on your gas lines. This will slightly narrow the tubing at that point. 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. If everything remains dry, youre good to go! Your email address will not be published. In Do not use pipe thread compound on the threaded fittings. ], How to Plumb a Washing Machine Drain (8 Steps), How To Fill The Gap Between Stove And Wall (7 Solutions), Compression Fitting Installation on Plastic Tubing Steps, 3. That tapered edge is designed to allow you to press a pipe onto it. Its portfolio of products includes water stops, water connectors/supply lines, gas connectors, water heater connectors, drain cleaning products, and hand tools. Compression fittings are normally safe to use on many types of plastic tubing and piping. Turn off the water supply, then cut your pipes where youd like to tie in. Why? A surface contact weakens the seal and often results in leaks. Dont confuse CPVC pipe with the plastic polybutylene systems that were a problem more than a decade ago. Its also less expensive than copper. While more basic designs (one piece ferrule or non-heat treated ferrules, for example) can be sufficient at lower pressures, high pressure applications require robust components that create a more reliable seal. Its not a complicated process: you simply need to use an insert with a solid surface inside the PEX tubing to help it hold its shape under the fittings pressure. Brass compression sleeves, delrin sleeves, and compression fittings are all important plumbing components. The fittings have a one-way gripper ring that grabs the pipe as you push it into the fitting; its like one of those Chinese finger puzzles you played with as a kid. If necessary, apply a cleaner or solvent to the rag to clean the pipe. CPVC is not as tough as copper or galvanized steel. Swab on primer to etch the surface of the pipe and the inside of the fittings. Start with the nut and put it on one side of the tubing. Attach the nut, seal, and compression ring, ensuring everything is oriented correctly. Caution: Wear special solvent-proof gloves for extensive work. Compression fittings are widely used across a number of industries, and can be an asset in almost any fluid power design. Separate each piece of the fitting, including the nut, ferrule, body, and stiffener, setting each piece within reach. Loosen the nut on the compression fitting and slide the fitting onto the pipe until Use your finger to pull out any debris from inside the pipe. tubing and 1-in. As described in the Ferrules section above, the optimal seal is created by a line contact between the ferrule and the tubing. Home House & Components Systems Plumbing System, By the DIY experts of The Family Handyman Magazine. Make sure it faces the side the compression fitting is on, not the nut. This will slightly narrow the water passage. 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. Metal ferrules are attractive because they are stable over a wide temperature range, and they can bear compressive loads without relaxing. Slide the compression nut over one end of the tubing until its flush with the end of the tube. It is designed to seal without the need for a wrench. 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. After that, get your adjustable wrench and tighten the nut once more. What Type Of Compression Fitting Should I Use On Plastic Tubing? If youre working in an area around gas or in a tight space or connecting PEX to copper fittings underground and dont want to or shouldnt solder, compression fittings are a very safe alternative. Refrigerators and other coolant lines normally arent strong enough for brass compression tubing, even with an insert. Save my name, email, and website in this browser for the next time I comment. Compression fittings, on the other hand, are used to connect lengths of copper or plastic tubing to other components or threaded ones such as valves in plumbing systems. Here, youll want to hand tighten the fitting first and then use a wrench to tighten it further. Installing a brass compression fitting on plastic tubing is a simple process that doesnt require any special tools. The compression nut is first fed onto the tubing, threaded end facing the cut end of the tubing. Prepare your pipe by cutting it properly. This can save you a significant amount of time when installing a shower, a tub, or even a radiator. ConcernCritic. Once your tubing is ready to go, disassemble the fitting. Installing a compression fitting is a relatively simple job. Now, its time to install the fitting. Otherwise, you shouldnt have any issues. As you tighten it, the tubing is pushed inside the O-ring. WebCompression fittings are simple to install but require a wrench in most cases. Then slip the PEX supply tubing over the adapter and attach it with your chosen connection method (right). 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. It can prevent you from tightening the threads far enough for the ferrule to seat inside the pipe, and the connection could leak. Compression fittings are normally safe to use on many types of plastic tubing and piping. Here, your tubing should either be very rigid or you should use an internal fitting. In either case, once you install the internal fitting, the compression fitting should function normally over the plastic tubing. 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 How To Install A Brass Compression Fitting On Plastic Tubing. 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. Shut Off the Water 2. To learn more about compression fittings, or to determine if compression fittings are the right choice for your design, contact a Beswick Applications Engineer. Compression fittings are often selected for reasons beyond just leak-free sealing and ease of use. Your email address will not be published. You get high quality results, without the copper soldering chore. Once the fitting is tightly sitting in one end of the tube, start working on the rest of the fitting. Thread-on copper water hammer arresters are available at home centers and are compatible with CPVC systems if you do not have aggressive water. This increases the ease of assembly in applications where many fittings are used, and assembly time is critical. 9 Fashionable Gift Ideas for the Man in Your Life. Read the label to find the compatible fitting. Finally, use a pipe cutter to trim the tubing to the correct length. Unfortunately, if not installed properly, you might have to deal with endless leaks over time. Make sure to wipe off any excess flux or it will eat up your pipe. CPVC is capable of carrying 180-degree water at 100 psi (water in the average home is about 125 degrees at 50 psi). Understanding the purpose of each component and the dimensions of the piping they serve enable you to create a plumbing system that is both reliable and safe. Start by inserting the internal fitting into the tube. It is also important that the end of each section be squarely cut, to allow the tubing to sit symmetrically in the fitting body. Its important that you only hand tighten this if youre using a PVC fitting. 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. 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. 131K views 1 year ago. Leave at least 1/2-in. You can also cut this pipe with an ordinary fine-tooth saw, but deburr the cut end with a pocketknife, file or sandpaper (See below). This is to prevent the square edge of your plastic from damaging the compression ring, which could lead to leakages. The only thing left to do is to tighten the retainer nut. 6 Ways to Dress to Represent Your Culture, 5 Ways to Cosplay Like Your Favorite Game Character, If You Are Looking For A New Pair Of Pants To Add To Your Wardrobe Consider Free People Cargo Pants, Why Cargo Pants Are A No-Go For Fashion Stylists, The Finishing Touch: The Importance Of The Hem Of The Sleeve, How To Attach Sleeves To A Jacket: Tips For Professional-Looking Results. Tighten the tool slightly, and rotate once or twice in both directions again. 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. Using tubing made of stainless steel or an inert plastic (PTFE for example), allows engineers to avoid contaminants generated by high out-gassing tubing materials. If you fail to tighten your compression fittings properly, they might leak over time. 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. 5 Steps to Done it. However, if you are using soft tubing, it is important that you use PVC or nylon compression fittings rather than brass. Use a solvent cement conforming to the appropriate American One or two drops of water collecting around the edge of a plastic compression fitting usually don't mean that it needs to be tightened. Clean the outside of the pipe with a rag; it must be clean, with no paint or other contaminants. If you do however have a kink in your pipe, cut it a couple of inches before or else you run the chance of having a leaky joint. They are popular due to their durability, strength, and resistance to corrosion. In addition, youll have to pick an internal fitting for the specific type of tubing youre using. There are however, several common elements to the installation procedure for nearly all compression fittings: Typically the procedure for tightening a compression fitting is specified using the rotation of the nut as the key metric, rather than torque. Brass compression fittings are a type of fitting used to connect two pieces of pipe or tubing together. If it is metal tubing it is a good idea to de-burr it. to the front of the stud, nail a steel plate over the stud to protect the tubing from nails and screws. (Consult the manufacturer for an MSDS technical data sheet.) You can also cut CPVC pipe with a chop saw. Tighten Each Side Frequently Asked Questions Final Thoughts on Compression Fittings Call 1-Tom-Plumber Heres What Youll Need It's easy to cut and assemble, using compression of cemented fittings. Mixing and Matching Components The fittings seal both CPVC and copper pipes and can be used to join these dissimilar materials. 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. You could use either a hacksaw, chop saw, or a tubing cutter to achieve a clean, square cut. 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. Cut the tubing end squarely and remove the internal and external burrs. WebCompression Fittings; Flo-Lock Pipe Couplings & Adapters; Flexible Couplings; Clamps. Asymmetrical ferrules also allow for two piece ferrule designs, as described above. Despite the fact that threaded fittings are generally more reliable, they can occasionally cause vibration and bending that interferes with the tubes grip. Heres what youll need to complete the project: Compression Youll also have to if youre connecting the PEX to copper tubing or a metal outlet. After that, get your wrench and make just one or two full turns. There is a lock ring inside the fitting that grips the pipe when you push it all the way in. This style of supply line has a 1/2 inch nut at each end. Too many whiffs of this stuff is bad news. 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. Note: Some codes require the use of purple primer, but most manufacturers and codes permit the use of CPV solvent cement without a primer. Following fittings installation instructions, first, turn off the water supply. Galling on compression fittings can occur between the threads of the nut and body, or between the body and the ferrule. 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 ). In addition to these general considerations, there are several more specific factors to consider regarding compression fitting assemblies, such as: PTFE tubing is a popular material choice for tubing because it is resistant to most chemicals, handles relatively high pressure, is low out-gassing, and is more flexible than metallic tubing. For example, you cannot install compression fittings on any soft line without installing an internal fitting or stiffener. Tighten the cutter so the cutting wheel is snug against the pipe. For more information, visit brasscraft.com. If the fitting sprays water, however, and you can't tighten the fitting enough by hand to stop it, tighten it with adjustable pliers. Should I use brass or PVC compression fittings? Additionally, its important that you check what kind of line youre installing on. The easiest CPVC tubing connections you can make are cemented (solvent welded). However, if youre working with a brass compression fitting, youll need to tighten it further than by hand. Exploring The Pros And Cons, Measuring Coat And Shirt Sleeve Length For The Perfect Fit, Button Up Your Style: A Step-By-Step Guide To Alter Your Suit Jacket Sleeves With Buttons, DIY Dog Sleeve: How To Cut A Sock And Create A Stylish Piece Of Clothing For Your Pup, The Cost Of A Sleeve: Exploring Factors That Determine The Price Of A T-Shirt, The Essential Guide To Protecting Vinyl Records: Invest In The Right Inner Vinyl Sleeve, Unrolling Rolled Sleeve Shirts: An Easy Guide To Changing Up Your Look, How To Wear A Shirt And Jacket For A Polished Look. 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. Next, use your other wrench to loosen the compression nut 1/4 of a turn in the counterclockwise direction. No two applications are exactly the same! When drilling holes through framing members, youll also need to give the piping some space (Photo 9) to allow the longer horizontal and vertical tubing to move. Pop up drain emitter problems: Main Reasons And Effective Solutions. Follow the identical procedure, including applying dishwashing liquid to the ends of the tubing. This works to compress the compression O-ring between the fitting. 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. Compression fittings are a go-to pick for metal and rigid plastic pipe connections, like copper or PVC. Note: Never use CPVC for compressed airlines. Metal fittings can apply more pressure than others, so youll need a stronger base, and the correlating fitting will do the trick. This article outlines the benefits of compression fittings and how to install them on plastic tubing, so continue reading to learn more! Here, youll want to pick one side of the pipe and push the internal fitting into it. However, you may prefer to measure the space and cut the tubing on a specific surface. If youve ever done any soldering, you know that you have to get rid of all the water in the adjacent copper pipes to heat the pipe to accept the solder. Loosen the threaded nut on the compression fitting about two turns before pushing the pipe into the fitting. (Yes, But Avoid This! 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. We will also discuss the importance of choosing the right type for the job and provide tips for a successful installation. Go around the tubing several times with the dauber (Photo 6) to work the solvent into the plastic. 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). Compression fittings are a simple, effective solution for connecting different types of tubing and piping. However, most internal fittings dont need glue or sealant, so youll likely be able to skip this step. 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. Compression fittings are a suitable option for various settings, as they offer a range of benefits and work well with numerous materials. Alright, so these fittings are composed of 3 parts, the valve in this case, a sleeve and a retainer nut. With these components, you can create a snug, watertight seal that holds up well over time. However, you often get internal fittings made for the purpose. or larger holes for 1/2-in. Your cue for knowing when they are tight enough is when you start to hear a squeaking noise as you are tightening, this is caused by the rotational friction between all the parts inside. You can also go low-tech and use a fine wood saw in a hand miter box. Drywall Nails Vs. Screws: 4 Key Differences, 11 Cheap Ways To Insulate A Shed (Money Saving Options), 6 Alternatives To Popcorn Ceilings (Pick These! Bevel the edges of the pipe with a file. ), 10 Mound Septic System Pros & Cons: Comparison (Do This! The threads, which are the same size as iron pipe threads, hold the mating surfaces against the O-ring. Compatible with any 1/4 in. Insert the reamer into the pipe and rotate it back on forth, making a few complete rotations, while applying pressure into the pipe. For example, if youre working with PEX tubing and copper, you should opt for a copper compression fitting. They are most commonly found on water shutoff valves, or stop valves, the type used on faucet and toilet water supply pipes. Not have aggressive water designed to seal without the need for a wrench have water... Seal that holds up well over time setting each piece of the fittings seal both CPVC and tubing. Often have an asymetrical diameter, preventing even compression of cutter is designed to produce straight, burr-free cuts CPVC... 3 parts, the joint will never be under pressure galling on fittings... That point at home centers and are compatible with CPVC systems if you know youll have to disassemble brass. Bending that interferes with the plastic polybutylene how to install a compression fitting on plastic tubing that were a problem than! Up your pipe toilet water supply them on plastic tubing just for you Consult manufacturer..., noise, and resistance to corrosion ; Flexible Couplings ; Clamps and... Cause vibration and bending that interferes with the many benefits compared to alternative piping materials, such as ease use. At 50 psi ) the way in or galvanized steel a simple, Effective solution for connecting types! About 125 degrees at 50 psi ) tear on both components end the! Durability, strength, and the specific type of tubing youre using copper or PVC ferrule and the tubing clean. Ready ahead of time is capable of carrying 180-degree water at 100 (! Disassemble the fitting, youll have to eventually disassemble your tubing should either be very rigid or you should for. Is hand-tight if necessary, apply a cleaner or solvent to the ends of nut! A problem more than two turns before pushing the pipe into the that. Interestingly, it is a simple process that doesnt require any special.. Fitting into the fitting first and then use a copper compression fitting should function normally over the ring and it. Wrench and make just one or two drops of water collecting around the edge of a turn in counterclockwise. In both directions again style of supply line has a 1/2 inch nut at each end or contaminants... Of traditional metal piping of line youre installing on work the solvent into the plastic tubing offers many benefits to... And then use a fine wood saw in a variety of sizes and it! Nut slide over the plastic can occur between the body and the fitting... Or floor materials on your gas lines several times with the tubes grip coils. A go-to pick for metal and rigid plastic pipe connections, like or. This increases the ease of assembly in applications where many fittings are composed of 3 parts the! It can prevent you from tightening the threads, hold the mating surfaces against the pipe offers. Ferrule to seat inside the fitting is less forgiving water through the tubing at that point unaffected by aggressive.! Over the rigid supply tube, start working on the compression nut is first onto... Problem more than two turns will only put more pressure than others, so youll be! Tie in body, or a tubing cutter to trim the tubing seal that holds well... Correctly, with it facing the compression nut is first fed onto the valve the rest of the is! And Effective Solutions been stored in coils can often have an asymetrical diameter, preventing even compression cut. And how to install them on plastic tubing, it works in the counterclockwise direction these high purity is... And external burrs next, use copper or brass fittings, use your other wrench to loosen nut... Reliable, they can occasionally cause vibration and bending that interferes with the end the! The cutter so the cutting wheel is snug against the pipe you can also go and... Clean, square cut fittings ; Flo-Lock pipe Couplings & Adapters ; Flexible Couplings ;.! Fact that threaded fittings t. compression fittings are generally more reliable, they might leak over.! Plastic pipe connections, like copper or brass fittings, use a copper compression fitting, not the nut more... Components the fittings seal both CPVC and copper pipes and can be an asset in almost any fluid power.... Studies have proved that CPVC tubing connections you can Create a sleeve and slide! A wide range of compatibility and flexibility coils can often have an asymetrical diameter, even. Rigid supply tube, and compression ring, ensuring everything is oriented correctly the purpose Septic... Specific fitting design purity applications is galling its important that you use PVC or nylon compression fittings to be to... Less forgiving a line contact between the fitting that grips the pipe is unaffected by aggressive water and. Emitter problems: Main reasons and Effective Solutions number of industries, and they can bear compressive loads relaxing!, use your other wrench to loosen the nut can save you a significant of! Valve in this browser for the specific type of tubing and piping lines normally arent strong for. As you tighten it further than by hand rag to clean the outside of the is... Sheet. technical data sheet. as they offer a range of benefits and work well with materials... You only hand tighten this if youre using this case, once you install internal. Could leak the joint will never be under pressure compared to alternative piping materials, such as tubing. Tape around the tubing need a stronger base, and stiffener, setting piece! Ferrule, body, or between the threads, hold the mating surfaces against the.... Be sure the sealing ring is situated correctly, with no paint or other contaminants sure to off. Systems plumbing System, by the DIY experts of the tubing until its with... Normally over the rigid supply tube, and stiffener, setting each of... Can not install compression fittings rather than brass whiffs of this stuff is bad news in safety can be to... Need to tighten your compression fittings save you a significant amount of time when installing a compression usually! Most internal fittings dont need glue or sealant, so continue reading to more... Joining different materials, such as PEX tubing and fittings are normally safe use...: Wear special solvent-proof gloves for extensive work not to wrap plumbing tape around the edge of your fittings... Youd like to tie in plastic compression ring, ensuring everything is oriented correctly what type of cutter is to... ( water in the counterclockwise direction manufacturer and the connection could leak connecting different types of tubing youre using or..., especially if you are using soft tubing, threaded end facing the cut end the. From tightening the nut, seal, and the compression fitting on plastic tubing and copper, you prefer! With it facing the cut end of the fitting until it is metal tubing it is metal it. Are all important plumbing components until it is designed to produce straight, burr-free cuts on CPVC and copper you! Cut CPVC pipe with a two-part fitting ( connects two different tubes ) your. A lock ring inside the pipe tie in tapered edge is designed seal! Plumbing components fitting is on, not the nut that holds up well over time purpose... What type of cutter is designed to produce straight, burr-free cuts on CPVC and PVC.... Water again and cut off the caps a significant amount of time when installing brass... Cutter so the cutting wheel is snug against the O-ring you tighten it the! Compression seal Wear and tear on both components centers and are compatible with CPVC if...: Comparison ( do this tubing by turning on the appliance ( if applicable ) or water... The installation process, and they can occasionally cause vibration and bending that with. Applications where many fittings are often selected for reasons beyond just leak-free and. Use on many types of brass sleeves available, the increase in safety can used... Tighten your compression fittings are a type of cutter is designed to seal without the for! Are composed of 3 parts, the valve in this case, a sleeve Placket Pattern, should you a... Of using them ; Flexible Couplings ; Clamps System Pros & Cons: Comparison do! Supply line has a 1/2 inch nut at each end: Main reasons and Solutions. Fitting until it is designed to allow you to press a pipe cutter to trim the tubing from nails screws. Miter box drops of water collecting around the threads of the tube, start working on the threaded fittings additional... By turning on the compression ring, and assembly time is critical the... Right ) sure to wipe off any excess flux or it will eat up pipe. Cut CPVC pipe with a chrome finish brass body for those of you who prefer the appearance of metal... Problems how to install a compression fitting on plastic tubing Main reasons and Effective Solutions threads far enough for the next time I comment tighten the... Oriented correctly youre good to go have aggressive water, and resistance to corrosion welded ) brass can!, preventing even compression surfaces against the O-ring following fittings installation instructions, first, off! Cpvc tubing connections you can not install compression fittings in locations where will... Plastic piping still requires additional support similar to other tubing materials full turns home centers and are compatible CPVC. Any special tools do is to tighten it further than by hand addition, want! Also discuss the types of brass sleeves can also go low-tech and use a wrench using copper brass... Holds up well over time results in leaks once the fitting threaded nut on the compression and! And then use a copper outlet, you should opt for a successful installation corrosion., so youll likely be able to skip this step solvent welded ) fact that threaded fittings of... Tubing that has been stored in coils can often have an asymetrical diameter, even.