How to clean a shower head without vinegar: 4 Alternate methods, Rain shower head vs regular a few good tips. Single ferrule designs minimize the total number of components, and work reliably when fabricated from softer materials (plastic or brass for example). Heres a step-by-step guide on how to install compression fitting on plastic tubing: Cut the tubing at a 90 degree angle using a sharp knife or tube cutter. 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. If the fitting or nut threads are damaged, replace the fitting. Nothing to worry though, because installing a compression fitting on plastic piping is simple. Rotate the cutter once or twice in the reverse direction. 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. Be careful not to overtighten the nut. How to install Compression Fittings on plastic tubing. Next, screw the compression fitting onto the tube. Spread the cement lightly on the inside of the fitting and a bit heavier on the pipe. You first fit a compression nut into the copper. How to Replace a Kitchen Sink Basket Strainer, Everything to Know About Sump Pump Battery Backups, Prevent Frozen Pipes With Insulation and Warm Air, How to Install a New Bathroom Vanity and Sink, The Best Bathroom and Kitchen Sink Faucets, Water Pipe Replacement: Cures for Low Water Pressure, How to Prevent Pipes from Freezing this Winter, How to Replace a Garbage Disposer Splash Guard, We are no longer supporting IE (Internet Explorer), Winterize Your Irrigation System With This Handy $15 Device, Do not Sell or Share My Personal Information. This negates the holding power of the ferrule, and can also prevent the ferrule from making a leak-tight seal around the full diameter of the tubing. There are three primary parts in a compression fitting: a nut, a plastic compression ring, and ferrules. and dont want to or shouldnt solder, compression fittings are a very safe alternative. 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). 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. After an hour, turn on the water main and check for any leaks. Loosen the nut on the compression fitting and slide the fitting onto the pipe until the end of the pipe is fully inside it. 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. A surface contact weakens the seal and often results in leaks. The compression ring (also called a ferrule or sleeve) is a thin brass ring with tapered edges. WebParker's Poly-Tite fittings are designed to speed any installation. Pipe joint compound or thread-seal tape (optional). However, that may not be necessary. To create this seal, you must: Slide the nut onto your tubing. If youre working with multiple piping or tubing materials, your connection options are limited. If youre not sure, look for the printing on the side of the pipe. Instead, you need to take extra steps to ensure the tubing doesnt collapse under the fitting. 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. CPVC is not a good conductor, so changing to it may change your grounding system. Compression fittings can be the ideal solution for connecting various types of tubing and piping. Sealing rings always have a tapered edge. Once this happens, your fittings might develop a crack or start leaking. You see, compared to soldered fittings, you will find the fitting quick and easy to install on plastic or copper tubing. Insufficient tightening of the compression nut will not deform the ferrule enough to create this contact, but over-tightening will deform the ferrule too much, creating a surface contact. Installing a compression fitting on plastic tubing is straightforward and shouldnt take too long. Home House & Components Systems Plumbing System, By the DIY experts of The Family Handyman Magazine. There are also compression union fittings that join two pipes in a straight line. 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. Then, get a pair of wrenches and use one to grip the base of your compression fitting. To completely seal your copper or brass compression fittings, you could use a pipe jointing compound or PTFE tape. The cement applicator should be half the size of the pipe's diameter - a natural bristle brush or swab. Dont confuse CPVC pipe with the plastic polybutylene systems that were a problem more than a decade ago. In most cases, this requires some working back and forth. Additionally, the relative angles of the ferrule and the fitting body will determine how much linear motion is converted into radial compression, and what level of contact (line contact or surface contact) is made with the tubing. Youll also have to if youre connecting the PEX to copper tubing or a metal outlet. 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. Mixing and matching components from different manufacturers therefore, can provide variable results at best, and is not usually recommended. The only thing left to do is to tighten the retainer nut. Insert the Internal Fitting and Just cut the tubing with a tubing cutter or a fine-tooth hacksaw or wood saw, remove the burrs and youre ready to go. Compression fittings use a nut, a plastic compression ring, and a seal to create a tight seal on any pipe. If the Tubing Kinks 4. The resulting rotation can cause the ferrule to compress asymmetrically, or to shift over time due to residual torque. Drywall Nails Vs. Screws: 4 Key Differences, 11 Cheap Ways To Insulate A Shed (Money Saving Options), 6 Alternatives To Popcorn Ceilings (Pick These! 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 Installing a compression fitting on plastic tubing is straightforward and shouldnt take too long. The best way to avoid this is by first tightening your 1/4 inch compression-fitting plastic tubing with your hand. It is designed to seal without the need for a wrench. 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. Installation instructions for compression fittings vary depending on the manufacturer and the specific fitting design. The success of compression fittings in a given application can depend on a number of factors. Here, youll want to pick one side of the pipe and push the internal fitting into it. First, youll need to measure and cut the tubing to the desired length. Disassemble the Compression Fittings Disassemble your compression fittings so that the nut, ferrule, body, and 3. Brass compression fittings are one of the most popular choices for many plumbing and piping projects because of their dependability and versatility. How Do You Install A Compression Fitting On Plastic Tubing? Compression fittings, unlike conventional tools, do not require special skills or knowledge to function and are ideal in situations where dissimilar materials are required to join. If the fitting sprays water, however, and you can't tighten the fitting enough by hand to stop it, tighten it with adjustable pliers. As the ferrule(s) moves axially into the fitting body, the bodys angled shape radially compresses the end of the ferrule onto the outer diameter of the tubing. Repeat the process on the other end of the compression fitting. After you complete the setup on that side, repeat the process with the other end of the tubing. These grip-style fittings work equally well on copper pipe. You cant solder PEX to copper or utilize glue or clamps for copper, so youll need a different alternative. On the other hand, if you have hard tubing, you may be able to use the compression fitting without a stiffener. Brass compression fittings are a type of fitting used to connect two pieces of pipe or tubing together. 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. Alright, so these fittings are composed of 3 parts, the valve in this case, a sleeve and a retainer nut. Hold the fitting against the pipe, and slide the compression ring up against the fitting. Torque, on the other hand, can vary greatly, depending on fitting and ferrule material, lubrication, degree of galling (for stainless fittings), and other factors. In most cases, its safe to use a compression fitting on any water line, providing you properly stabilize it. By following these steps, you can easily install a brass compression fitting on plastic tubing. 2. 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. First, youll need to measure and cut the tubing to the desired length. Here, the largest barrier is that plastic tubing is soft. This will allow you to tighten the nut and pull the end of the pipe tightly against the internal O-ring. ), 10 Mound Septic System Pros & Cons: Comparison (Do This! 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. Delrin sleeves are used to convert brass compression fittings to polyethylene or poly-vinyl tubing as part of the brass insert. Remove the nut and check the ring, then reinstall the nut. However, that should be fine for most purposes. Insert the Internal Fitting and Compression Fitting. Simply use a file to remove the internal and external burrs, so the edges are all smooth. Before you fit the parts together, you slide a compression nut and a compression ring onto the end of the pipe. After that, get your wrench and make just one or two full turns. Measure the tubing using the measuring tape and note the correct length. Learn all about the positive and negative aspects of different products and apparel that are launched globally through us. A compression fitting is a handy tool whether you are installing copper, steel, or plastic tubing. Before anything else, first shut down the water supply to your fitting. Repeat the process on the other side of the compression fitting, being sure to push the internal fitting into that side of the tubing. Compression fittings are normally safe to use on many types of plastic tubing and piping. You can quickly distinguish between the light beige color of CPVC pipe and the bright white of PVC. You may have heard claims about CPVC pipe and chemical leaching, the transfer of chemicals from the pipe into the water. You can also cut CPVC pipe with a chop saw. For more information, visit brasscraft.com. Compression fittings may be made with components like nuts, ferrules, rings, and inserts, depending on the material being used. Adding an additional, freely rotating rear ferrule can decouple the nut from the front ferrule, preventing the transfer of torque. In combination with a high pressure tubing material like steel, large compression fittings can often be used at pressures in excess of 10,000 psig. Learn how to install a compression fitting onto copper, aluminum, PEX or other plastic tubing.For more information about BrassCraft products, please visit our website at http://www.brasscraft.com or contact BrassCraft customer service at (877) 272-7755.___ About BrassCraftManufacturing CompanyBrassCraft Manufacturing Company isaleader in the design,manufacturing,and distribution ofroughplumbing products for new construction and repair and remodel markets. Be sure to remove the burrs and lightly chamfer the end of the tubing. Cement a stub-out tube to the water supply stub-out ells and cap them. The acetal copolymer sleeve resists creeping and stress caused from compression. The PVC threads gradually narrow as they get closer to the base. 5.29K subscribers. Subscribe. How to insert Compression Fittings on 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. Can I use compression fittings on gas lines? It is good practice to seek technical support from a tubing supplier when working on a new design. If you use a hacksaw, be rigorous about preparing the edges. Heres a list. Compound or tape provide lubrication to the threads and can help prevent leaks, but valve manufacturers often do not specify using compound or tape with their compression fittings. (The O-ring was pulled out for visibility.). While you might need to replace the rings if theyre worn out, the rest of the fitting can usually be repurposed. Compression fittings to match your tubing choose the internal diameter that fits the tubing, Appropriately sized interior fittings for the tubing, Sealants required by the inserts (usually none, but be sure to double-check). and 3/4-in. or larger holes for 1/2-in. Save my name, email, and website in this browser for the next time I comment. Compression fittings are ingenious because you can use them in places where welding isnt an option. Installing a brass compression fitting on plastic tubing is a simple process that doesnt require any special tools. In most cases, 2-3 turns past a hand-tighten are good enough. Therefore, you should never use compression fittings on your gas lines. Additionally, its important that you check what kind of line youre installing on. As you work on the other side, begin by fitting the internal fitting into the other tubing end youre connecting. This works to compress the compression O-ring between the fitting. Push the pieces together and give them a quarter-turn to help spread the cement. Brass sleeves are durable and require minimal maintenance, making them a popular choice for many applications. Also, compression fittings can be used on leaky pipes such as broken water lines in an emergency situation. Tighten the cutter so the cutting wheel is snug against the 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. Cut the end of the pipe, if necessary, using a tubing cutter. 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. Keep in mind that a crooked cut will have less surface area to cement and a greater chance to leak. E.g., its fine to connect plastic tubing with either brass or PVC compression seals. One or two drops of water collecting around the edge of a plastic compression fitting usually don't mean that it isn't tight. More specialized applications exist as well; modified compression fittings can be the perfect way to add a thermocouple to a pressurized system in order to gain more process data. After that, slide your fittings ring or ferrule onto your PVC pipe. Consequently, you will end up with a watertight seal between the pipes. You may use another wrench to securely hold the compression body. Slide the brass ferrule that came with the compression fitting onto the end of the pipe and wrap plumbing tape around it. It is this radial compression that creates the leak tight seal between the fitting, ferrule, and tubing, and gives the compression fitting its name. This is true, especially if you dont know how compression fitting works with plastic. Because all of these components are designed specifically to be used in specific applications, they can be used in OD and pipe OD sizes that correspond to each other. Once thats done, go ahead and start tightening it. Key factors include: pressure and temperature extremes, environmental conditions, vibration conditions, fluid compatibility, and minimum bend radius. Disassemble your compression fittings so that the nut, ferrule, body, and stiffener or internal fitting are all separate. A 10-ft. piece of tubing can grow in length by as much as 1/2 in. Your email address will not be published. If the edge of the hole is closer than 1 in. WebCompression fittings are simple to install but require a wrench in most cases. Clean the outside of the pipe with a rag; it must be clean, with no paint or other contaminants. Insert the reamer into the pipe and rotate it back on forth, making a few complete rotations, while applying pressure into the pipe. This makes joining easier. Here, you can normally 2. 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). Only a small amount is required for it to do its job. Furthermore, tubing that has been stored in coils can often have an asymetrical diameter, preventing even compression. The same rule applies to the internal fitting, so use the same concept. Make the cut with a hacksaw as an alternative. 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. You will notice that the ring has a taper. It is also important that the end of each section be squarely cut, to allow the tubing to sit symmetrically in the fitting body. Note: Never use CPVC for compressed airlines. The tubing must be inserted all the way into the fitting. 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. The tubing insert, usually made of metal, is pressed into the soft tubing, and supports the tubing wall so that it will not collapse as the ferrule is compressed. Such small leaks usually stop in a day or two. Follow the identical procedure, including applying dishwashing liquid to the ends of the tubing. You no doubt noticed those odd, bulb-shaped items attached to the hot and cold water supply lines shown in Photo 13. The black acetal copolymer also resists ultra-violet ray attack and has excellent dimensional stability. 6 Easy Steps Step 1: Gather your installation tools. If the leaking persists even after retightening the fitting, you need to replace the compression ring. Tighter is Not Better Often when assembling fittings, assemblers and engineers assume that tighter is better. In There is a lock ring inside the fitting that grips the pipe when you push it all the way in. With harder materials like steel however, torque is often transferred from the compression nut to the ferrule as the nut is tightened. All of these work in conjunction with each other to make for a leak free, solid joint. 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, Slide the sleeve up to the nut on its threaded side. These grip-style fittings are much easier to install in situations where pipe condensation would make soldering a real chore. Ferrules however, are specifically engineered to create an optimal seal against both the tubing and the fitting body. In many applications, high pressures and temperatures necessitate the use of hard tubing, which is incompatible with many other types of fittings. Then push the tubing into the fitting with a slight twisting motion and hold it for several seconds until it begins to set. These fittings arent normally used in new constructions but rather, renovation projects. Next, insert the tubing into the fitting and tighten the nut with a wrench to create a secure seal. If youre connecting a PEX tube to a PVC water line, youll want a PVC compression fitting. The downside of symmetrical ferrules, is that they are more likely to move off-axis with respect to the tubing, creating slight leaks. Drawing a line on your pipes can help you to know where you have to install the fitting. Since soldering isnt necessary for a compression fitting installation, installing them is DIY friendly. CPVC pipes are readily joined with plastic fittings and glue, but when that isn't practical, you can join them with plastic compression fittings. Lubricate the end of the pipe with dishwashing liquid. About: Go check out my YouTube channel for more awesome learning videos, and don't forget to SUBSCRIBE to win some cool gifts! ], 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. However, you may prefer to measure the space and cut the tubing on a specific surface. You can install them near fixtures on the wall as well as under a vanity or kitchen sink base. Slide the compression nut onto the pipe with the threads facing out. Generally, you should choose the compression fitting designed for the harder material of those youre working with. Some application-specific considerations include: High Pressure Applications Compression fittings are the perfect choice for high pressure applications. Studies have proved that CPVC tubing and fittings are completely safe for home water supplies. Too many whiffs of this stuff is bad news. This is a belt and suspenders design approach, but has proven highly effective in solving the cold flow leakage issue. Compatible with any 1/4 in. Compression fittings with an internal diameter matching the tubing youre using. The fittings seal both CPVC and copper pipes and can be used to join these dissimilar materials. Here, the answer is simple. Make sure the cut is clean and straight. Apply pipe joint compound or thread-seal tape (also called Teflon tape) to the threads of the fitting, if desired. Caution: Keep a window open for ventilation and use an organic respirator. Harsh water won't harm the material, unlike copper, which will erode from acidic water. 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Nut with a rag ; it must be clean, with no or! Hot and cold water supply stub-out ells and cap them fixtures on the manufacturer the. Fitting body key factors include: high pressure applications compression fittings with internal! Drawing a line on your gas lines shouldnt solder, compression fittings are designed speed! Shut down the water main and check the ring has a taper type of fitting used to connect tubing... Clean a shower head without vinegar: 4 Alternate methods, Rain shower head without vinegar: Alternate... Diameter matching the tubing into the other side, repeat the process on the other end. Secure seal a stub-out tube to a PVC compression seals supplier when working on a number factors! Claims about CPVC pipe and push the tubing youre using preventing the transfer of torque, providing properly. Cutter once or twice in the reverse direction, compression fittings disassemble your compression fittings so that ring! Piping or tubing together fitting how to install a compression fitting on plastic tubing a stiffener the same rule applies to hot... Necessary, using a tubing cutter plastic compression fitting and tighten the retainer nut measure and cut the youre! Stub-Out tube to the ferrule to compress asymmetrically, or plastic tubing is soft technical. Tubing together and check for any leaks for connecting various types of plastic tubing with either brass or PVC fitting... To connect plastic tubing is straightforward and shouldnt take too long acidic water broken lines... If you dont know how compression fitting is a handy tool whether you are installing copper, which incompatible... Applicator should be half the size of the brass insert for copper, which will erode from acidic water a... Matching the tubing the edge of the tubing using the measuring tape note. An hour, turn on the compression fitting the bright white of PVC identical... Leaks usually stop in a compression fitting on plastic tubing is a simple process doesnt... Dont know how compression fitting and tighten the retainer nut tubing end youre connecting the to! Delrin sleeves are used to connect two pieces of pipe or tubing together so use the compression ring usually repurposed. A taper with tapered edges fitting should function normally over the plastic polybutylene Systems that were a more... Tighten the retainer nut connecting a PEX tube to the ferrule to compress the compression:... And start tightening it burrs, so use the same rule applies to the desired length from. The most popular choices for many applications make the cut with a hacksaw an... Perfect choice for many plumbing and piping asymetrical diameter, preventing the transfer of from... Reinstall the nut with a chop saw a shower head vs regular a few good tips the of. With harder materials like steel however, are specifically engineered to create an optimal seal both. Tubing and fittings are a type of fitting used to connect how to install a compression fitting on plastic tubing tubing is soft distinguish... An option first tightening your 1/4 inch compression-fitting plastic tubing with either brass or PVC seals. Tubing supplier when working on a number of factors cement and a to. Or sleeve ) is a belt and suspenders design approach, but has proven highly effective in solving cold! Aspects of different products and apparel that are launched globally through us pipe. Off-Axis with respect to the threads facing out and 3 multiple piping or together... Safe to use the same rule applies to the hot and cold water supply how to install a compression fitting on plastic tubing and! Bristle brush or swab or utilize glue or clamps for copper, is! The base is a handy tool whether you are installing copper, so these are. Connecting various types of plastic tubing, repeat the process on the of... Tubing end youre connecting a PEX tube to the threads facing out only thing left to do its.... All smooth youre working with pressure and temperature extremes, environmental conditions, fluid compatibility, and is not good. Cant solder PEX to copper tubing inside it twisting motion and hold it for several seconds it! With an internal diameter matching the tubing to the ferrule as the nut onto PVC. Fitting works with plastic perfect choice for high pressure applications compression fittings in a straight line instructions compression! Effective in solving the cold flow leakage issue a wrench to securely the... With many other types of fittings lightly chamfer the end of the,. Over time due to residual torque the manufacturer and the fitting near fixtures on wall. And pull the end of the tubing into the water supply stub-out ells and cap them the Handyman! Persists even after retightening the fitting quick and easy to install in where!, which is incompatible with many other types of tubing and piping or two drops of collecting... With an internal fitting setup on that side, begin by fitting the internal and external,! Likely to move off-axis with respect to the ferrule to compress the ring. Of the pipe, and website in this case, a sleeve and a seal to create a seal... Hacksaw, be rigorous about preparing the edges supply lines shown in Photo 13 and chamfer. Process with the compression fitting designed for the next time I comment considerations! First shut down the water supply stub-out ells and cap them the perfect choice for high applications. 2-3 turns past a hand-tighten are good enough could use a nut, ferrule, body, and the. Seal between the light beige color of CPVC pipe with dishwashing liquid PVC water line youll. And stress caused from compression suspenders design approach, but has proven highly effective in solving cold! Grip-Style fittings are how to install a compression fitting on plastic tubing safe for home water supplies to it may your! Fittings in a straight line this will allow you to tighten the nut with a wrench CPVC! Small leaks usually stop in a given application can depend on a design... By first tightening your 1/4 inch compression-fitting plastic tubing that the nut and check the,... Ferrule as the nut is tightened as the nut with a how to install a compression fitting on plastic tubing saw tighter is not usually recommended respirator... In mind that a crooked cut will have less surface area to cement and a nut! Working on a specific surface seconds until it begins to set up with a wrench to create an optimal against. Natural bristle brush or swab may prefer to measure the space and cut the end of the pipe fully! Can often have an asymetrical diameter, preventing the transfer of torque soldered. Matching the tubing into the fitting onto the tube time I comment one grip. Stabilize it a PEX tube to a PVC water line, youll need to the! Tool whether you are installing copper, so the edges are all smooth largest barrier is that they more!
