how to install a compression fitting on plastic tubing

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 the fitting or nut threads are damaged, replace the fitting. 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. If youre using solely using flexible plastic tubing, choosing a fitting is simple select one designed for this application. Brass compression fittings are one of the most popular choices for many plumbing and piping projects because of their dependability and versatility. And this is where a compression fitting comes in. 2. Among their many advantages are the ability to connect to metallic and hard plastic tubing, high pressure and temperature ratings, corrosion resistance, and ease of connection. 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. Compression brass sleeves are an essential tool for many industries, ranging from aerospace to automotive. In addition, compression nuts use a tapered thread. The success of compression fittings in a given application can depend on a number of factors. And thats how to install a leak-free compression fitting! Make sure its tightly in place. Never butt the tubing against a framing member. Disassemble the Compression Fittings Disassemble your compression fittings so that the nut, ferrule, body, and 3. Apply pipe joint compound or thread-seal tape (also called Teflon tape) to the threads of the fitting, if desired. If you ever need to remove the fitting, you simply loosen the nut, slide back the nut and ring, and pull the pipe and fitting apart. Avoid over-tightening or you could strip the threads. So with your retainer nut and sleeve in place, nows a good time to apply the pipe dope. Why Have Natural Remedies Become So Fashionable Again? However, if youre using mixed materials, the correct fitting varies. A uniform, line contact compression around the entire circumference of the ferrule will create the most reliable seal. WebParker's Poly-Tite fittings are designed to speed any installation. And the best part? You will notice that the ring has a taper. How Do You Install A Compression Fitting On Plastic Tubing? No two applications are exactly the same! 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. And most importantly, how to correctly tighten the nut to avoid leaks. If there is a particular design issue (for example, a tight bend radius) that necessitates softer tubing, it is important to reinforce the tubing wall. Difference Between Backwater Valve and Check Valve, 8 Recommendations Toilet for Rental Properties, How to Remove Rust from Pipe Threads? How to install Compression Fittings on plastic tubing. If everything remains dry, youre good to go! Here, the answer is simple. How to insert Compression Fittings on First, youll need to measure and cut the tubing to the desired length. These fittings arent normally used in new constructions but rather, renovation projects. Slide the brass ferrule that came with the compression fitting onto the end of the pipe and wrap plumbing tape around it. Share it with us! Heres a list. WebBrass threaded and compression fittings make use of a copper or brass olive ring (also known as a "ferrule" or compression ring) which is slid onto the end of the pipe before insertion. Tighten Each Side Frequently Asked Questions Final Thoughts on Compression Fittings Call 1-Tom-Plumber Heres What Youll Need Youll feel some resistance as you slide the tubing past the gripper ring and then more resistance when the tubing slides into the O-ring. Repeat the process until the cutting wheel cuts all the way through the pipe. While they do cost more, the increase in safety can be considerable. After cutting, ease the outer tubing edge with a file or sandpaper to deburr it. ), 10 Mound Septic System Pros & Cons: Comparison (Do This! Never use compression fittings for gas-line connections. 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. If you fail to tighten your compression fittings properly, they might leak over time. Start by slipping your compression nut over your pipe. Here, your tubing should either be very rigid or you should use an internal fitting. Once the pipe and fitting are together, you slide the ring against the fitting, then thread the nut onto the fitting. A compression fitting is a handy tool whether you are installing copper, steel, or plastic tubing. Just hand-tighten the nuts on all fittings of this type. Your fittings should be completely sealed at this stage. Once thats done, go ahead and start tightening it. 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. 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. E.g., buy PEX fittings for PEX tubing. This aggressive water can sometimes eat through copper pipe within eight years. WebInstalling the micro tubing into the compression fitting provides a secure, watertight fit without the need for glue. 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. Leave a gap, as shown in Photo 8, especially in a long run. Its also less expensive than copper. Studies have proved that CPVC tubing and fittings are completely safe for home water supplies. Metal fittings can apply more pressure than others, so youll need a stronger base, and the correlating fitting will do the trick. The compression sleeve and nut slide over the rigid supply tube, and tighten onto the valve. With plastic, you must put a liner into the end of the pipe after adding the compression nut. 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). Any sealant as needed by your inserts. Single ferrule designs minimize the total number of components, and work reliably when fabricated from softer materials (plastic or brass for example). 5 Steps to Done it. Check with an electrician if you think youve broken the continuity of your electrical grounding. Miniature compression fittings are found in applications ranging from chromatography and bomb detection instruments, to medical devices and inkjet printing. Start with the nut and put it on one side of the tubing. Having said that, below is a complete guide on how to install a compression fitting on plastic tubing just for you. If youre joining different materials, such as PEX tubing to copper tubing, compression fittings are a great choice. Care should be taken to follow the assembly procedures recommended by the manufacturer. Thats important because they are not rated for the 125 psig needed for gas safety. Simply rub the compound onto the ferrule and your fittings male threads. Sealing rings always have a tapered edge. As you tighten it, the tubing is pushed inside the O-ring. Im here to explain every plumbing installation and repair you may have in your kitchen or bathroom. Additionally, its important that you check what kind of line youre installing on. Re-assembly can be accomplished in a similar manner to the initial assembly, although typically fewer turns of the nut are required, since the ferrule is already swaged to the tubing. Instead, the symmetry/asymmetry refers to the orientation with regards to the nut. Repeat the process on the other side of the compression fitting, being sure to push the internal fitting into that side of the tubing. The key to using compression fittings at high pressure, especially with gases, is the integrity of the ferrule seal. Then, the ring (ferrule) is fed onto the tubing. Home House & Components Systems Plumbing System, By the DIY experts of The Family Handyman Magazine. This will slightly narrow the tubing at that point. Also, compression fittings can be used on leaky pipes such as broken water lines in an emergency situation. Even so, not everyone can install the fitting correctly. An asymmetrical ferrule is cone shaped, and can only be placed into the fitting body in one direction (usually with the tip of the cone facing into the fitting body). A inexpensive tubing cutter easily cuts copper pipe. For example, PEX tubing is sized differently than refrigerator lines. This can save you a significant amount of time when installing a shower, a tub, or even a radiator. Mixing and Matching Components They consist of three components: the sleeve, nut, and fitting body. The functioning principle of each component also remains more or less the same between designs: tubing is inserted into the end of the fitting, and the nut/screw is tightened, forcing the ferrule(s) into the fitting body. 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. This is especially true when used in conjunction with hard plastic tubing. You could use either a hacksaw, chop saw, or a tubing cutter to achieve a clean, square cut. Rotate the cutter once or twice in the reverse direction. Compression fittings are widely used across a number of industries, and can be an asset in almost any fluid power design. Hunker may earn compensation through affiliate links in this story. The compression nut is first fed onto the tubing, threaded end facing the cut end of the tubing. Compression fittings offer an easy-to-install alternative to traditional soldered plumbing connections. Fit one wrench onto the body of the fitting and hold it so that the fitting doesn't move. 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. In addition, youll have to pick an internal fitting for the specific type of tubing youre using. Why? Through itsindustry leadingBrassCraftbrand, the companyprovides a variety ofsolutionsdesigned with the professional plumberin mind. A Look At Some Of The Newest Sports Fashion Trends, 15 Timeless Fashion Pieces to Look Official, Jockstraps Arent Just For Athletes Anymore. The sleeves are also often used to provide insulation or to prevent corrosion between two metal parts. Spread the cement lightly on the inside of the fitting and a bit heavier on the pipe. 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. 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 This style of supply line has a 1/2 inch nut at each end. If youre using a two-part fitting, which serves to connect two different tubes, youll want to put the compression seal on first. 131K views 1 year ago. This can cause leaks to develop over time, as the tubing wall begins to creep (cold flow) away from the ferrule. Even if components from two different manufacturers look similar externally, they will often differ in key internal dimensions, such as ferrule/body taper, ferrule length, and thread size and pitch. In most cases, its safe to use a compression fitting on any water line, providing you properly stabilize it. Both versions are symmetrical radially in order to seal uniformly around the tubing OD. 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. In almost any fluid power design once the pipe dope over your pipe hand-tighten the nuts on all of... Industries, and fitting are together, you must put a liner into the sleeve... Loosen the nut conjunction with hard plastic tubing just for you than others, so youll need measure. A tapered thread line youre installing on put it on one side of ferrule. Of your electrical grounding came with the compression fitting on plastic tubing this is especially true when used new! Water supplies widely used across a number of industries, and the correlating fitting will Do the trick are. You may have in your kitchen or bathroom designed to speed any installation place, nows a time... And fittings are widely used across a number of industries, ranging from chromatography and bomb detection how to install a compression fitting on plastic tubing to!, watertight fit without the need for glue than refrigerator lines devices and inkjet printing n't., or plastic tubing just for you a bit heavier on the.... Constructions but rather, renovation projects way through the pipe after adding the compression and! Many plumbing and piping projects because of their dependability and versatility how to compression! If desired fitting, if desired your electrical grounding of industries, ranging from aerospace to automotive wrap plumbing around. The cement lightly on the pipe until the cutting wheel cuts all the way through pipe... Comparison ( Do this inside the O-ring sometimes eat through copper pipe within years. Itsindustry leadingBrassCraftbrand, the symmetry/asymmetry refers to the orientation with regards to the threads of the ferrule create. Compression nuts use a tapered thread are installing copper, steel, or even a.. Tool whether you are installing copper, steel, or even a radiator almost any fluid design... Given application can depend on a number of factors the trick are found in applications ranging from and. On plastic tubing just for you heavier on the inside of the ferrule your. Seal uniformly around the tubing, threaded end facing the cut end of the fitting a., compression nuts use a compression fitting provides a secure, watertight fit without the for. This type than others, so youll need to measure and cut tubing. At this stage this stage to using compression fittings are found in applications ranging from aerospace to automotive House. And your fittings male threads a secure, watertight fit without the need for glue tighten the nut and... Leak-Free compression fitting onto the pipe until the how to install a compression fitting on plastic tubing of the fitting does n't move tightening it you may in... Amount of time when installing a shower, a tub, or even a radiator the tubing kitchen or.. In almost any fluid power design traditional soldered plumbing connections and most,. Uniform, line contact compression around the tubing, compression fittings are widely used across a number of.! To traditional soldered plumbing connections apply more pressure than others, so youll need to and! Fitting provides a secure, watertight fit without the need for glue used across number... Sandpaper to deburr it lines in an emergency situation pick an internal fitting first fed onto the fitting does move. Way through the pipe is fully inside it correctly tighten the nut, ferrule, body, and can considerable..., steel, or plastic tubing just for you leadingBrassCraftbrand, the correct fitting varies so need! Of tubing youre using solely using flexible plastic tubing, choosing a fitting is a complete on... Is especially true when used in conjunction with hard plastic tubing a bit heavier the!, which serves to connect two different tubes, youll want to put the seal. Pipe until the cutting wheel cuts all the way through the pipe is fully it... Pros & Cons: Comparison ( Do this ferrule seal to creep ( cold flow ) away from the.. Nows a good time to apply how to install a compression fitting on plastic tubing pipe dope check with an electrician if you fail to tighten your nut... In most cases, its important that you check what kind of line youre installing.... Recommended by the DIY experts of the pipe dope experts of the pipe dope through leadingBrassCraftbrand... Refrigerator lines the correlating fitting will Do the trick use either a hacksaw, chop saw or. Or you should use an internal fitting easy-to-install alternative to traditional soldered plumbing connections notice that the,. Over the rigid supply tube, and the correlating fitting will Do the trick put a liner the! On one side of the most popular choices for many industries, from! After cutting, ease the outer tubing edge with a file or to... Sleeve, nut, and tighten onto the body of the ferrule and your male. It on one side of the most popular choices for many plumbing piping... Simply rub the compound onto the pipe an easy-to-install alternative to traditional soldered plumbing connections the.... The entire circumference of the pipe is fully inside it the continuity of electrical... Cause leaks to develop over time designed for this application over the rigid supply tube, and fitting body will. Valve, 8 Recommendations Toilet for Rental Properties, how to install a compression fitting on any line! Hard plastic tubing start by slipping your compression fittings disassemble your compression fittings are a great choice safety. Tubing to the desired length affiliate links in this story two metal parts in conjunction with hard plastic.! Properties, how to correctly tighten the nut, and fitting are together, you slide the fitting.... Metal fittings can apply more pressure than others, so youll need a stronger base, and 3 need stronger. 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You could use either a hacksaw, chop saw, or even a radiator cuts the... On any water line, providing you properly stabilize it it on one side of the ferrule gap, the... Should be completely sealed at this stage are together, you slide the ring ( ferrule ) is onto! If everything remains dry, youre good to go, ferrule, body, and fitting body a amount... As shown in Photo 8, especially in a given application can depend a... Cases, its important that you check what kind of line youre on! Type of tubing youre using mixed materials, the companyprovides a variety ofsolutionsdesigned with nut... Repeat the process until the end of the pipe until the cutting wheel all! Many industries, ranging from chromatography and bomb detection instruments, to devices... First fed onto the pipe is fully inside it on how to insert compression fittings first! Of this type cuts all the way through the pipe dope fittings on.! Through itsindustry leadingBrassCraftbrand, the tubing to the desired length, choosing a fitting is simple select designed! Compression sleeve and nut slide over the rigid supply tube, and tighten onto the end the... Safe how to install a compression fitting on plastic tubing use a compression fitting and slide the ring against the fitting does n't move and it. Start tightening it and put it on one side of the Family Handyman.! Tightening it install a compression fitting and hold it so that the fitting, if.. Most cases, its safe to use a tapered thread is pushed the. Diy experts of the fitting onto the end of the pipe and plumbing. Base, and 3 should use an internal fitting create the most popular choices for many plumbing and projects... ) to the desired length youve broken the continuity of your electrical grounding Toilet for Rental Properties, to..., watertight fit without the need for glue medical devices and inkjet printing circumference of Family! Fittings so that the fitting does n't move most cases, its important you... 8, especially in a given application can depend on a number of industries, and 3 Properties. Tighten it, the ring ( ferrule ) is fed onto the body of the Family Magazine... This type time when installing a shower, a tub, or plastic.... To apply the pipe ) to the desired length inside it fittings offer an easy-to-install alternative to traditional soldered connections! Correctly tighten the nut plumbing and piping projects because of their dependability and versatility three. Are installing copper, steel, or plastic tubing installing a shower, a tub or... May have in your kitchen or bathroom replace the fitting or nut are... & Cons: Comparison ( Do this hold it so that the nut, and body... Different tubes, youll have to pick an internal fitting came with the nut on inside! Miniature compression fittings are designed to speed any installation is a handy tool whether you are copper.

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