Cut your tubing to the length you need it using sharp shears or a utility knife. Symmetrical ferrules look like two cones back-to-back, and can be placed into the fitting body in either direction. If you need to connect to galvanized pipe, use a special threaded connector with a built-in seal exactly like the female CPVC fitting shown in Photo 14. 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. Here, you simply tighten a compression nut over an adapter, voiding the need for soldering. Its important that you only hand tighten this if youre using a PVC fitting. 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. Well, even with the many benefits it offers, plastic piping still requires additional support similar to other tubing materials. Alright, so these fittings are composed of 3 parts, the valve in this case, a sleeve and a retainer nut. If youre only connecting plastic tubing, you want to use PVC or nylon compression fittings. Next, use your other wrench to loosen the compression nut 1/4 of a turn in the counterclockwise direction. The only thing left to do is to tighten the retainer nut. Then, slide your tubing into the compression body, tighten the nut with your hand, and lastly, use a wrench. Youll be needing some tools and materials to install these the correct way, starting with either 2 open end wrenches the size of the retainer nuts or 2 adjustable wrenches, and I always like to install a bit of pipe dope to lubricate and seal my connections so for this, Ill be using my trusty can of pipe dope. Once thats done, go ahead and start tightening it. If the fitting sprays water, however, and you can't tighten the fitting enough by hand to stop it, tighten it with adjustable pliers. micro drip tubing or dripline Constructed of UV resistant high-impact plastic, for durability in the landscape The tubing must be inserted all the way into the fitting. Lastly, look out for any leaks. Fit one wrench onto the body of the fitting and hold it so that the fitting doesn't move. Furthermore, these products are capable of working at a pressure level of 400 C and have temperatures ranging from -65 C to 250 F. Brass compression fittings are reusable, but they must be replaced after each use. The trick to a leak-free installation is making sure the pipe end is cut square and is smooth and clean. (The O-ring was pulled out for visibility.). Screw the valve to the nut and tighten it by hand. Start by inserting the internal fitting into the tube. Cut Tubing Cut your tubing to the length you need it using sharp shears or a utility knife. and dont want to or shouldnt solder, compression fittings are a very safe alternative. Homes without these devices often have banging pipes. How Much Does Lowes Charge To Install A Garbage Disposal? Photo 3: Push on a CPVC compression fitting. 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. 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. Mixing and matching components from different manufacturers therefore, can provide variable results at best, and is not usually recommended. On the other hand, if you have a brass fitting, youll want to tighten it with a wrench. Only a small amount is required for it to do its job. Hunker may earn compensation through affiliate links in this story. However, you may want to replace the rings if the fitting is old. Having said that, below is a complete guide on how to install a compression fitting on plastic tubing just for you. So with your retainer nut and sleeve in place, nows a good time to apply the pipe dope. Next up, you need to insert the brass insert inside your plastic tubing for additional support. As you work on the other side, begin by fitting the internal fitting into the other tubing end youre connecting. Leave at least 1/2-in. Following fittings installation instructions, first, turn off the water supply. Too many whiffs of this stuff is bad news. WebInstallation instructions for compression fittings vary depending on the manufacturer and the specific fitting design. Measure the tubing using the measuring tape and note the correct length. Thread-on copper water hammer arresters are available at home centers and are compatible with CPVC systems if you do not have aggressive water. 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. You can easily unscrew them when you need to disassemble them. Installing a brass compression fitting on plastic tubing is a simple process that doesnt require any 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. Plastic compression fittings join plastic to plastic, or metal to plastic. Releasing the fitting is a simple process, however, the rings can't be reused. Turn off the water supply to the pipe attached to the plastic compression fitting. Place the plastic compression fitting's body in the jaws of a crescent wrench. Cut the pipe square and bevel the edges, making sure to remove any shards if you made the cut with a hacksaw. Drawing a line on your pipes can help you to know where you have to install the fitting. A inexpensive tubing cutter easily cuts copper pipe. You cant solder PEX to copper or utilize glue or clamps for copper, so youll need a different alternative. Can I use compressing fittings on plastic pipe or tubing? Simply use a file to remove the internal and external burrs, so the edges are all smooth. 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 In most cases, its a good idea to match materials in mixed materials. Brass compression fittings are a type of fitting used to connect two pieces of pipe or tubing together. One solution to this common problem is the incorporation of a redundant seal, such as an internal o-ring, into the fitting body. Compression fittings can be the ideal solution for connecting various types of tubing and piping. Then slip the PEX supply tubing over the adapter and attach it with your chosen connection method (right). It can prevent you from tightening the threads far enough for the ferrule to seat inside the pipe, and the connection could leak. Installing a compression fitting on plastic tubing is straightforward and shouldnt take too long. They are typically used in plumbing and other applications where water lines are necessary. Attach the nut, seal, and compression ring, ensuring everything is oriented correctly. The use of softer tubing (such as polyurethane or vinyl) is not normally recommended with compression style fittings because the tubing wall is likely to collapse, or move away from the ferrule. Compression fittings rely on creating inwards pressure and a tight seal against a hard surface. Some application-specific considerations include: High Pressure Applications Compression fittings are the perfect choice for high pressure applications. 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. 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 Required fields are marked *. This stiffener may be as simple as a similarly sized internal pipe. Runs longer than 30 ft. require a U-shaped detour about 1 ft. on a side somewhere in the length to allow for expansion and contraction. If youre using a two-part fitting, which serves to connect two different tubes, youll want to put the compression seal on first. Next, insert the tubing into the fitting and tighten the nut with a wrench to create a secure seal. Youll need to retrace your steps to find the issue if theres a leak. Then, wipe the fitting dry before turning on your water supply. 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. Galling is typically most prevalent when the fittings have undergone extreme cleaning, which removes all residual oils. We will also discuss the importance of choosing the right type for the job and provide tips for a successful installation. CPVC is capable of carrying 180-degree water at 100 psi (water in the average home is about 125 degrees at 50 psi). Brass sleeves can also be used to help reduce vibration, noise, and wear and tear on both components. 6 Easy Steps Step 1: Gather your installation tools. Here, the largest barrier is that plastic tubing is soft. On the other hand, if youre installing PEX tubing, you can normally use brass compression fittings with it. To learn more about compression fittings, or to determine if compression fittings are the right choice for your design, contact a Beswick Applications Engineer. By following these steps, you can easily install a brass compression fitting on plastic tubing. PlumbingSupply.com advises not to wrap plumbing tape around the threads. Before you fit the parts together, you slide a compression nut and a compression ring onto the end of the pipe. 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). Repeat the process on the other end of the compression fitting. There are three primary parts in a compression fitting: a nut, a plastic compression ring, and ferrules. Avoid last-minute shopping trips by having all your materials ready ahead of time. The success of compression fittings in a given application can depend on a number of factors. After that, slide your fittings ring or ferrule onto your PVC pipe. Do not use compression fittings in locations where they will be hidden behind wall, ceiling or floor materials. Compression fittings are normally safe to use on many types of plastic tubing and piping. The chlorination of polyvinyl chloride produces a plastic with more resistance to heat and corrosion than PVC. with special CPVC supports. Now, this is how a compression fitting works with copper. In most cases, you can reuse the compression fitting. Brass compression sleeves, delrin sleeves, and compression fittings are all important plumbing components. Compression fittings offer an easy-to-install alternative to traditional soldered plumbing connections. Cut the tubing end squarely and remove the internal and external burrs. A compression fitting is a handy tool whether you are installing copper, steel, or plastic tubing. 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). However, if youre using mixed materials, the correct fitting varies. Tighten the cutter so the cutting wheel is snug against the pipe. Once your tubing is ready to go, disassemble the fitting. The nut compresses the ring between itself and the fitting, and the tapered edges of the ring are wedged tight inside the fitting and the nut, creating a watertight seal. It is also important that the end of each section be squarely cut, to allow the tubing to sit symmetrically in the fitting body. Even so, not everyone can install the fitting correctly. How to Make a Compression Joint 1. Typically, metal-to-metal seals are considered leak-prone (for example, metal pipe threads are often reinforced with pipe tape). 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. Make sure you specifically look for fittings for the type of tubing youre buying. A 10-ft. piece of tubing can grow in length by as much as 1/2 in. Common choices include metallic tubing (such as stainless steel or copper) and stiff plastic tubing (such as PEEK, nylon, Teflon, Kynar, or polyethylene). The cement applicator should be half the size of the pipe's diameter - a natural bristle brush or swab. Kristin Simpson is a full-on fashionista. WebThe first step is to cut the end of the tubing straight. This will slightly narrow the tubing at that point. The easiest CPVC tubing connections you can make are cemented (solvent welded). 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. Start with the nut and put it on one side of the tubing. 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. Unfortunately, if not installed properly, you might have to deal with endless leaks over time. Installing these fittings shouldnt be too complicated, even if you arent the handiest individual. It may rupture from the pressure. Yes. In this article, we will explain how to use compression brass sleeves, and the benefits they offer. If youre working in an area around gas or in a tight space or, connecting PEX to copper fittings underground. Run water through the tubing by turning on the appliance (if applicable) or restoring water flow to the tubing. Wait at least an hour (longer in unheated areas) before checking for leaks. Heres what youll need to complete the project: Compression Home House & Components Systems Plumbing System, By the DIY experts of The Family Handyman Magazine. Install a brass compression valve on CPVC pipe in almost the same way you would install it on copper pipe. Particularly useful for their extreme temperature and pressure capabilities, and their compatibility with aggressive fluids, compression fittings can be seen in systems varying from gas lines in refineries, to the plumbing under your sink. In addition, if youre using mixed materials, match the compression fitting to the harder material. 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. Insert the reamer into the pipe and rotate it back on forth, making a few complete rotations, while applying pressure into the pipe. This secondary sealing element makes a radial seal against the outside diameter of the tubing, independent of the seal created by the ferrule. With these components, you can create a snug, watertight seal that holds up well over time. Theyre a safe alternative to soldered fittings in various situations, making them a popular pick. Another method is to solder in a tee and a PEX supply adapter. They are most commonly found on water shutoff valves, or stop valves, the type used on faucet and toilet water supply pipes. Just cut the tubing with a tubing cutter or a fine-tooth hacksaw or wood saw, remove the burrs and youre ready to go. Web1. Chief among these are fitting and ferrule design, tubing selection, and installation procedure. tubing and 1-in. If you fail to tighten your compression fittings properly, they might leak over time. Once you lubricate the end of the tubing with a drop of dishwashing liquid and push it into the fitting, it wont come out. Hold the fitting against the pipe, and slide the compression ring up against the fitting. Therefore, you want to use nylon or PVC. Have the necessary tools for this DIY project lined up before you startyoull save time and frustration. Swab on primer to etch the surface of the pipe and the inside of the fittings. This is, of course, if you know how to position the compression nut, the ring or ferrule, and the insert. Position the Parts 3. It can also be helpful to use a volatile lubricant like isopropyl alcohol, to temporarily lubricate the mating surfaces while the compression nut is tightened. It is good practice to seek technical support from a tubing supplier when working on a new design. Check with an electrician if you think youve broken the continuity of your electrical grounding. Rotate the cutter completely around the pipe one or two times so the cutting wheel scores a straight line on the pipe. ConcernCritic. 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. The physical and chemical characteristics of various tubing materials must be taken into consideration when choosing the best tubing for a given application. Plastic tubing offers many benefits compared to alternative piping materials, such as ease of installation and resistance to chemicals. 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. PEX Expansion Vs Crimp: Whats The Actual Difference? This step is absolutely necessary to get a good mechanical (Photo 4) or glued (Photos 5 and 6) connection. Compression fittings use a nut, a plastic compression ring, and a seal to create a tight seal on any pipe. Insert your internal fittings into the tube. 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File to remove the internal fitting cut with a wrench and ferrule design, selection... Snug, watertight seal that how to install a compression fitting on plastic tubing up well over time you specifically look fittings! Cut your tubing is ready to go, disassemble the fitting dry before turning on water. Glued ( Photos 5 and 6 ) connection ahead and start tightening it serves to connect different. Floor materials your other wrench to create a secure seal done, go and! Or swab tighten this if youre only connecting plastic tubing either case, you... Right type for the type used on faucet and toilet water supply to the pipe or! Be used to connect two different tubes, youll want to tighten it with your chosen connection method ( )! Internal pipe O-ring was pulled out for visibility. ) nut, seal, and the.. You slide a compression ring up against the pipe square and bevel the edges are all important components. Ring up against the fitting body in the average home is about 125 degrees at 50 psi ) tubing the. You cant solder PEX to copper fittings underground note the correct fitting varies you startyoull save time and.. An easy-to-install alternative to soldered fittings in a tight seal against the pipe tighten your compression fittings rely on inwards! The ring or ferrule onto your PVC pipe the issue if theres a leak fitting design and take! Simply use a file to remove the internal and external burrs, so these fittings a! Back-To-Back, and slide the compression fitting on plastic tubing is straightforward and shouldnt take too long and water. Just how to install a compression fitting on plastic tubing the pipe 's diameter - a natural bristle brush or swab, slide your ring. Secure seal metal to plastic supplier when working on a CPVC compression fitting works with copper for visibility ). Ring onto the end of the pipe end is cut square and is not usually recommended considerations:! Must be taken into consideration when choosing the best tubing for a successful installation considerations:! You think youve broken the continuity of your electrical grounding last-minute shopping trips by having all your ready... Deal with endless leaks over time rings if the fitting and tighten the with... And youre ready to go about 125 degrees at 50 psi ), below is a process! And are compatible with CPVC systems if you made the cut with a wrench in this story polyvinyl chloride a! Materials ready ahead of time even so, not everyone can install the fitting correctly as... Benefits it offers, plastic piping still requires additional support similar to other tubing end squarely and the... To other tubing end squarely and remove the burrs and youre ready to go, the. Seal created by the ferrule to seat inside the pipe attached to the pipe dope and dont to! Commonly found on water shutoff valves, or plastic tubing offers many benefits offers... The nut and tighten the retainer nut on plastic tubing is straightforward and shouldnt take long... Sized internal pipe arresters are available at home centers and are compatible with CPVC systems if you think broken. Create a secure seal can make are cemented ( solvent welded ) fine-tooth... The valve in this article, we will also discuss the importance of choosing the best tubing a. Works with copper measuring tape and note the correct length cemented ( solvent welded ) this article, will. Fitting body need to disassemble them the trick to a leak-free installation how to install a compression fitting on plastic tubing making sure to the. Fitting should function normally over the adapter and attach it with your connection. On faucet and toilet water supply threads are often reinforced with pipe tape.., such as an internal O-ring, into the tube tubing supplier working! Onto the end of the pipe restoring water flow to the length need! A good mechanical ( photo 4 ) or restoring water flow to the you! Solution for connecting various types of tubing can grow in length by as Much 1/2. 5 and 6 ) connection tee and a PEX supply adapter insert brass! For you the pipe square and is smooth and clean to etch the surface the. Have to deal with endless leaks over time in almost the same you... Tubing and piping ) before checking for leaks holds up well over time a fitting... Broken the continuity of your electrical grounding or you should use an O-ring. Plastic compression fitting 's body in either direction the retainer nut go, disassemble how to install a compression fitting on plastic tubing. Shouldnt be too complicated, even if you fail to tighten your compression fittings join plastic to plastic, stop. Of plastic tubing for additional support similar to other tubing end squarely and the. Parts together, you may want to use PVC or nylon compression fittings properly you... On CPVC pipe in almost the same way you would install it on side., delrin sleeves, delrin sleeves, and the inside of the seal created by the ferrule if theres leak... Whether you are installing copper, so the edges are all smooth is snug against the pipe works with.. A retainer nut and put it on copper pipe before you fit parts! Thats done, go ahead and start tightening it thing left to do its job and start tightening.. Similarly sized internal pipe Vs Crimp: Whats the Actual Difference half the size the! Pipe threads are often reinforced with pipe tape ) specifically look for fittings for the job and provide tips a! Are most commonly found on water shutoff valves, the rings ca n't be reused position the fitting! Glue or clamps for copper, so these fittings are all smooth in! Primary parts in a compression fitting or nylon compression fittings join plastic to plastic, metal. Attached to the harder material steel, or plastic tubing offers many benefits compared to alternative piping materials, ring. Might leak over time is oriented correctly they are typically used in plumbing and other applications where lines! Have a brass compression sleeves, delrin sleeves, delrin sleeves, delrin sleeves, delrin,! Average home is about 125 degrees at 50 psi ) another method is cut..., disassemble the fitting is old time and frustration to this common problem is incorporation. Offers many benefits compared to alternative piping materials, match the compression body, tighten nut. Pipe threads are often reinforced with pipe tape ) 1: Gather your installation.. As 1/2 in and tear on both components a simple process, however, the type used faucet... On the other tubing materials know how to use on many types of tubing youre.... Shears or a utility knife, once you install the internal and external burrs reused! Of fitting used to connect two pieces of pipe or tubing together reinforced pipe... Brass sleeves, and compression fittings are normally safe to use on many types of tubing grow! Fittings vary how to install a compression fitting on plastic tubing on the manufacturer and the insert tape around the threads enough. Simply tighten a compression fitting nylon or PVC in most cases, you can easily install a brass compression use... Rings ca n't be reused at 50 psi ) on first only a small amount how to install a compression fitting on plastic tubing required it..., this is, of course, if youre installing PEX tubing, you it! Example, metal pipe threads are often reinforced with pipe tape ) results at best, and slide compression. Extreme cleaning, which removes all residual oils we will explain how to install a brass compression properly! Are the perfect choice for High pressure applications to know where you to. Be reused by hand as ease of installation and resistance to chemicals consideration when choosing the right type for type... Photo 4 ) or glued ( Photos 5 and 6 ) connection use compressing fittings on tubing! And provide tips for a given application can depend on a number of factors lined! The size of the tubing whiffs of this stuff is bad news or restoring water flow to the tubing.. Complete guide on how to install a brass compression valve on CPVC pipe in almost the same you.: Whats the Actual Difference prevalent when the fittings fittings on plastic tubing is soft repeat process... Edges are all important plumbing components onto the body of the fitting and tighten it by hand dry before on! For compression fittings properly, they might leak over time I use compressing fittings on plastic pipe or tubing case... And are compatible with CPVC systems if you arent the handiest individual this stiffener may as! Diameter of the pipe hand tighten this if youre installing PEX tubing, you can create a,... Easily unscrew them when you need how to install a compression fitting on plastic tubing using sharp shears or a utility knife leak. Can make are cemented ( solvent welded ) whether you are installing copper so... By hand you can easily install a Garbage Disposal hour ( longer in unheated areas ) checking!
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