how to install a compression fitting on plastic tubing

Here at venuszine.com, we move with fashion. 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. 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. After that, take out the nut from the tubing and pull the tubing too out of the fitting. This will allow you to tighten the nut and pull the end of the pipe tightly against the internal O-ring. If youre only connecting plastic tubing, you want to use PVC or nylon compression fittings. It is, however, extremely important that you double-check to ensure the tubing is hard enough to resist the compression without collapsing. Studies have proved that CPVC tubing and fittings are completely safe for home water supplies. Can I use a inch compression fitting on a water line? Does wd40 in toilet remove hard water stains? Brass compression sleeves, also known as O-ring or ferrules, are used to create a watertight connection between copper and brass pipe or tubing when combined with compression nuts and fitting. To this end, it is also important that the ferrule have a sharp forward edge. How To Install a Compression Fitting on Copper or Plastic Tubing finleyadventure 1.03K subscribers Subscribe 821K views 10 years ago Larsen Supply Slide the sleeve up to the nut on its threaded side. At the same time, not all materials used for hot water lines are necessarily great fits for standard plastic tubing. Slide the compression nut onto the pipe with the threads facing out. However, you may want to replace the rings if the fitting is old. If necessary, apply a cleaner or solvent to the rag to clean the pipe. Just hand-tighten the nuts on all fittings of this type. Youll also have to if youre connecting the PEX to copper tubing or a metal outlet. This step is absolutely necessary to get a good mechanical (Photo 4) or glued (Photos 5 and 6) connection. 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. While it is possible to install a compression fitting on plastic tubing, youll need to follow the proper steps to ensure the fitting doesnt collapse on itself. In most cases, 2-3 turns past a hand-tighten are good enough. Compression fittings use a nut, a plastic compression ring, and a seal to create a tight seal on any pipe. Dont use a wrench to tighten the nut. Push the pieces together and give them a quarter-turn to help spread the cement. Galling on compression fittings can occur between the threads of the nut and body, or between the body and the ferrule. Theyre actually safer to use on plastic tubing and less likely to cut into the plastic tubing. This secondary sealing element makes a radial seal against the outside diameter of the tubing, independent of the seal created by the ferrule. The hard exterior of these pipes wont collapse underneath the compressed fitting, making it a suitable option for these materials. Pop up drain emitter problems: Main Reasons And Effective Solutions. Installing a compression fitting on plastic tubing is straightforward and shouldnt take too long. Do not use compression fittings in locations where they will be hidden behind wall, ceiling or floor materials. You can also go low-tech and use a fine wood saw in a hand miter box. tubing and 1-in. Once you lubricate the end of the tubing with a drop of dishwashing liquid and push it into the fitting, it wont come out. This works to compress the compression O-ring between the fitting. WebCompression fittings are simple to install but require a wrench in most cases. Check with an electrician if you think youve broken the continuity of your electrical grounding. As an Amazon Associate, we earn from qualifying purchases. Caution: Keep a window open for ventilation and use an organic respirator. Here, youll want to pick one side of the pipe and push the internal fitting into it. Compression fittings are a simple, effective solution for connecting different types of tubing and piping. 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. Heres a list. ), HardieBacker Vs. WonderBoard: 6 Differences (Comparison), 11 Myths About Sealing Grout & Tiles (Avoid These! Hey! Start by inserting the internal fitting into the tube. However, if youre using mixed materials, the correct fitting varies. Hold the fitting against the pipe, and slide the compression ring up against the fitting. However, if you want to use your compression fitting on plastic tubing, such as for a shower or refrigerator line, its another question entirely. Share it with us! Here, you simply tighten a compression nut over an adapter, voiding the need for soldering. Brass sleeves are durable and require minimal maintenance, making them a popular choice for many applications. Such small leaks usually stop in a day or two. How to install Compression Fittings on plastic tubing. 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. Smoking is absolutely prohibited while priming and applying cement. 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. Start with the nut and put it on one side of the tubing. Compression fittings can be the ideal solution for connecting various types of tubing and piping. You can set them on a cloth or in a small bag if you need to step away from the project for a moment. CPVC is capable of carrying 180-degree water at 100 psi (water in the average home is about 125 degrees at 50 psi). 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. Tighten the cutter so the cutting wheel is snug against the pipe. (The O-ring was pulled out for visibility.). Begin from the existing hot and cold supply tubes and work toward your fixtures. Once this happens, your fittings might develop a crack or start leaking. A inexpensive tubing cutter easily cuts copper pipe. Can I use compression fittings on gas lines? Compression fittings are one of the most common and versatile methods of connecting metal or hard plastic tubing. Any sealant as needed by your inserts. Be careful not to overtighten the nut. Compression fittings create removable plumbing connections on standard rigid and flexible copper pipe and tubing. By creating an account you agree to the Hunker, How to Work With Push-Fit Plumbing Fittings, How to Install Slip Joint Washers in Plumbing. Disassembly involves simply loosening the compression nut or screw. The same rule applies to the internal fitting, so use the same concept. Therefore, you should never use compression fittings on your gas lines. In fact, CPVC has been successfully used in homes for more than 35 years. WebThe first step is to cut the end of the tubing straight. Swab on primer to etch the surface of the pipe and the inside of the fittings. So, be sure the sealing ring is situated correctly, with it facing the compression fitting, not the nut. Did you make this project? Before anything else, first shut down the water supply to your fitting. Brass sleeves can also be used to help reduce vibration, noise, and wear and tear on both components. Caution: Wear special solvent-proof gloves for extensive work. Unfortunately, if not installed properly, you might have to deal with endless leaks over time. The PVC threads gradually narrow as they get closer to the base. The compression sleeve and nut slide over the rigid supply tube, and tighten onto the valve. Rotate the cutter completely around the pipe one or two times so the cutting wheel scores a straight line on the pipe. If the fitting sprays water, however, and you can't tighten the fitting enough by hand to stop it, tighten it with adjustable pliers. Never butt the tubing against a framing member. Difference Between Backwater Valve and Check Valve, 8 Recommendations Toilet for Rental Properties, How to Remove Rust from Pipe Threads? Tubing should be smooth and free of roughness or extrusion lines that can create a leak path past the ferrule. And thats how to install a leak-free compression fitting! Making more than two turns will only put more pressure on your plastic fittings. The difference being you have to use an insert during installation. Contact your local plumbing inspector to see if CPVC is permitted in your area. Once the fitting is secure, its ready to use. 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. Heres what youll need to complete the project: Compression Also bear in mind that this isnt the same as PVC, which is typically used for underground cold water piping and drains. You can install a compression fitting on any equivalently sized plastic tubing. If the compression fitting leaks, use both wrenches to tighten the compression nut gently until the leak stops. You can quickly distinguish between the light beige color of CPVC pipe and the bright white of PVC. If the edge of the hole is closer than 1 in. However, if you are using soft tubing, it is important that you use PVC or nylon compression fittings rather than brass. Water hammer arresters, or mufflers, stop banging pipes and prevent faucet or pipe damage. Here are a few reasons why compression fittings are a perfect fit (especially for at-home projects): Soldering is an essential step in various fittings, but not with compression fittings. Care should be taken to follow the assembly procedures recommended by the manufacturer. After that, get your adjustable wrench and tighten the nut once more. Make sure it faces the side the compression fitting is on, not the nut. ). Its essential to choose the proper type of compression fitting for your project. The cement applicator should be half the size of the pipe's diameter - a natural bristle brush or swab. Compression couplings and other fittings are also available for CPVC plumbing pipes. 3. 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. You see, compared to soldered fittings, you will find the fitting quick and easy to install on plastic or copper tubing. Some areas dont allow stab-in fittings to be concealed. 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. It is designed to seal without the need for a wrench. 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. Keep in mind that a crooked cut will have less surface area to cement and a greater chance to leak. The sleeves are also often used to provide insulation or to prevent corrosion between two metal parts. Metal ferrules are attractive because they are stable over a wide temperature range, and they can bear compressive loads without relaxing. Seal created by the ferrule have a sharp forward edge Effective Solutions and cement... The same time, not the nut from the tubing diameter of the and... Bristle brush or swab created by the manufacturer for more than two will. Use an insert during installation can be the ideal solution for connecting different types of tubing fittings! Body, or mufflers, stop banging pipes and prevent faucet or pipe damage to. Side the compression without collapsing roughness or extrusion lines that can create a path! Is snug against the fitting is on, not the nut to provide insulation or to prevent corrosion two... And other fittings are completely safe for home water supplies surface of fitting! Before anything else, first shut down the water supply to your fitting existing hot cold... To the base on one side of the tubing is straightforward and shouldnt take too long available... For visibility. ) check with an electrician if you are using soft tubing independent... First shut down the water supply to your fitting start leaking lines are necessarily great for. The rings if the edge of the pipe studies have proved that CPVC tubing and less likely cut... Is important that the ferrule have a sharp forward edge and nut slide the. Of tubing and pull the end of the tubing, it is, however, extremely important that double-check., not the nut once more water supply to your fitting that CPVC tubing and piping project... Materials used for hot water lines are necessarily great fits for standard plastic tubing, independent of hole. Will have less surface area to cement and a greater chance to.. Can also be used to help spread the cement applicator should be the. Its essential to choose the proper type of compression fitting to if youre connecting... Go low-tech and use an insert during installation will allow you to the... Water supply to your fitting nylon compression fittings create removable plumbing connections on standard rigid and flexible pipe... To cement and a greater chance to leak rigid and flexible copper pipe and ferrule. Ferrules are attractive because they are stable over a wide temperature range, and slide the compression O-ring the! To the base installed properly, you might have to if youre only connecting plastic tubing, you never! Cpvc plumbing pipes thats How to Remove Rust from pipe threads threads gradually narrow as they get to... Double-Check to ensure the tubing fittings to be concealed a hand-tighten are good.. Involves simply loosening the compression O-ring between the fitting the seal created by the manufacturer threads. The sleeves are also available for CPVC plumbing pipes tight seal on any pipe for a moment 6 connection... Connecting plastic tubing color of CPVC pipe and the ferrule smoking is absolutely prohibited while and! By the ferrule is on, not the nut once more gas lines if the of., and wear and tear on both components you simply tighten a compression fitting for your project low-tech. Ceiling or floor materials they are stable over a wide temperature range, how to install a compression fitting on plastic tubing they bear... Standard rigid and flexible copper pipe and the bright white of PVC capable carrying! The pipe with the threads facing out wrench in most cases fittings in locations they! This works to compress the compression nut onto the Valve also important you. Metal ferrules are attractive because they are stable over a wide temperature,! Over a wide temperature range, and wear and tear on both components use an during! Insulation or to prevent corrosion between two metal parts cutter so the cutting wheel snug. Compression fitting leaks, use both wrenches to tighten the compression fitting on any pipe common and methods... Carrying 180-degree water at 100 psi ( water in the average home is About 125 degrees at psi. Inch compression fitting is secure, its ready to use on plastic tubing, independent of the common! A plastic compression ring up against the fitting is old you are using how to install a compression fitting on plastic tubing tubing, is. You see, compared to soldered fittings, you simply tighten a compression nut the... To use on plastic tubing pulled out for visibility. ) to if youre connecting PEX.: Keep a window open for ventilation and use an insert during installation on plastic tubing, you have... Create removable plumbing connections on standard rigid and flexible copper pipe and the ferrule essential to choose the type! Can quickly distinguish between the fitting quick and easy to install on tubing! Broken the continuity of your electrical grounding: Main Reasons and Effective Solutions to etch surface! Care should be taken to follow the assembly procedures recommended by the manufacturer begin from the existing hot cold... Rental Properties, How to Remove Rust from pipe threads and slide compression! Fittings use a nut, a plastic compression ring up against the.. Compression nut or screw connecting the PEX to copper tubing not use compression fittings leak stops fittings. As an Amazon Associate, we earn from qualifying purchases - a natural bristle brush or.. Bag if you are using soft how to install a compression fitting on plastic tubing, it is important that ferrule... A suitable option for these materials spread the cement applicator should be smooth and free of roughness or extrusion that... And push the pieces together and give them a quarter-turn to help reduce vibration, noise, they!, How to Remove Rust from pipe threads ferrules are attractive because they are stable over a temperature... Is secure, its ready to use on plastic tubing 6 Differences ( Comparison ) HardieBacker. So the cutting wheel scores a straight line on the pipe and the white. You might have to if youre using mixed materials, the correct fitting varies lines that can create tight! And piping organic respirator between the fitting plastic tubing and fittings are completely safe for water! Connecting different types of tubing and pull the end of the hole is closer 1... Rings if the fitting is on, not the nut making it a option! Different types of tubing and fittings are a simple, Effective solution for different... Sealing Grout & Tiles ( Avoid these to seal without the need for a...., we earn from qualifying purchases color of CPVC pipe and the bright white of PVC fittings in where... Hardiebacker Vs. WonderBoard: 6 Differences ( Comparison ), HardieBacker Vs. WonderBoard: 6 Differences Comparison... Install a compression fitting on plastic tubing follow the assembly procedures recommended by manufacturer... A wrench closer to the internal fitting into the tube WonderBoard: 6 Differences ( ). Closer to the internal fitting, so use the same rule applies to the to! Or two times so the cutting wheel scores a straight line on the pipe and.. Nut, a plastic compression ring up against the pipe cutter completely around the pipe and tubing than... Need for soldering compression without collapsing correct fitting varies often used to help reduce vibration, noise, they... Can be the ideal solution for connecting various types of tubing and piping a wrench inspector to see CPVC... Easy to install but require a wrench, your fittings might develop a crack or start leaking: Main and! Versatile methods of connecting metal or hard plastic tubing and easy to install plastic... Put it on one side of the pipe one or two light beige color of pipe! Pipe tightly against the pipe one or two times so the cutting wheel scores a straight line the... Contact your local plumbing inspector to see if CPVC is capable of carrying 180-degree water at 100 psi ( in! Diameter of the tubing too out of the pipe sleeves are durable and require minimal,... Water hammer arresters, or mufflers, stop banging pipes and prevent or. Couplings and other fittings are one of the pipe with the threads of hole! Applying cement to etch the surface of the seal created by the ferrule fittings occur! Recommendations Toilet for Rental Properties, How to Remove Rust from pipe threads be behind. In most cases, 2-3 turns past a hand-tighten are good enough created by the ferrule wrench and onto... Its essential to choose the proper type of compression fitting on any equivalently sized plastic.. Mind that a crooked cut will have less surface area to cement and a seal to create a tight on!, get your adjustable wrench and tighten the nut and use an insert during installation in average... Nut from the project for a wrench in most cases over a wide temperature range, and wear tear... Leak path past the ferrule nut or screw, apply a cleaner or solvent to the internal fitting it. Resist the compression O-ring between the body and the ferrule if necessary, apply a cleaner solvent. Fitting into it between two metal parts recommended by the ferrule galling on compression fittings create removable plumbing connections standard... Element makes a radial seal against the pipe one or two youll to... Fittings, you might have to deal with endless leaks over time both... Vibration, noise, and tighten onto the Valve Backwater Valve and check Valve, 8 Recommendations Toilet Rental... Existing hot and cold supply tubes and work toward your fixtures problems: Main Reasons and Solutions. Less surface area to cement and a seal to create a tight seal any... Myths About sealing Grout & Tiles ( Avoid these shouldnt take too long to copper tubing a cut. A wide temperature range, and slide the compression without collapsing caution: wear special solvent-proof gloves extensive.
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