how to install a compression fitting on plastic tubing

Once your tubing is ready to go, disassemble the fitting. Mild cases of galling may show up as small scrapes or notches, while more severe cases can leave components stuck together, or strip the threads from a fitting body. Make sure to wipe off any excess flux or it will eat up your pipe. Sealing rings always have a tapered edge. PEX Expansion Vs Crimp: Whats The Actual Difference? Can I use compression fittings on gas lines? You can install them near fixtures on the wall as well as under a vanity or kitchen sink base. The tape prevents leaks by compensating for the different expansion rates of brass and plastic. Yes. Cut Tubing Cut your tubing to the length you need it using sharp shears or a utility knife. In most cases, its a good idea to match materials in mixed materials. of pipe, then had to spread the gap to get the fitting in place. Common choices include metallic tubing (such as stainless steel or copper) and stiff plastic tubing (such as PEEK, nylon, Teflon, Kynar, or polyethylene). Next, screw the compression fitting onto the tube. or larger holes for 3/4-in. In most cases, you can even reuse your compression fitting. Its also less expensive than copper. This secondary sealing element makes a radial seal against the outside diameter of the tubing, independent of the seal created by the ferrule. Lastly, look out for any leaks. No two applications are exactly the same! Then, wipe the fitting dry before turning on your water supply. Avoid over-tightening or you could strip the threads. However, that may not be necessary. Do not use compression fittings in locations where they will be hidden behind wall, ceiling or floor materials. How Much Does Lowes Charge To Install A Garbage Disposal? If youve ever done any soldering, you know that you have to get rid of all the water in the adjacent copper pipes to heat the pipe to accept the solder. Compression fittings are a suitable option for various settings, as they offer a range of benefits and work well with numerous materials. You also have to check the diameter of the pipe so that you can find the right fitting.-A threaded compression fitting has 3 pieces (see the video above): 2 nuts and the fitting. The compression ring (also called a ferrule or sleeve) is a thin brass ring with tapered edges. The valve (or other part) has a port where the pipe slips in, and the port has male threads on the outside. Repeat the process on the other side of the compression fitting, being sure to push the internal fitting into that side of the tubing. While you might need to replace the rings if theyre worn out, the rest of the fitting can usually be repurposed. Caution: Wear special solvent-proof gloves for extensive work. The chlorination of polyvinyl chloride produces a plastic with more resistance to heat and corrosion than PVC. These grip-style fittings work equally well on copper pipe. 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. If you use a saw, remove the burrs from the saw cut. A 10-ft. piece of tubing can grow in length by as much as 1/2 in. You cant solder PEX to copper or utilize glue or clamps for copper, so youll need a different alternative. Installing a compression fitting on plastic tubing is straightforward and shouldnt take too long. 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. The cement applicator should be half the size of the pipe's diameter - a natural bristle brush or swab. However, when working with flexible plastic tubing, like PEX, youll need an extra piece: a rigid plastic insert. Some areas dont allow stab-in fittings to be concealed. In addition, if your fitting type requires sealant or glue, apply it now. If necessary, apply a cleaner or solvent to the rag to clean the pipe. This works to compress the compression O-ring between the fitting. When you push the pipe into the fitting, a lock ring grips the pipe. It is, however, extremely important that you double-check to ensure the tubing is hard enough to resist the compression without collapsing. Compression couplings and other fittings are also available for CPVC plumbing pipes. Tighten the cutter so the cutting wheel is snug against the Cement-on Shutoff supply valves are available with a chrome finish brass body for those of you who prefer the appearance of traditional metal piping. Theyre actually safer to use on plastic tubing and less likely to cut into the plastic tubing. Never use compression fittings for gas-line connections. Water hammer arresters, or mufflers, stop banging pipes and prevent faucet or pipe damage. Miniature compression fittings are found in applications ranging from chromatography and bomb detection instruments, to medical devices and inkjet printing. The hard exterior of these pipes wont collapse underneath the compressed fitting, making it a suitable option for these materials. In addition, if youre using mixed materials, match the compression fitting to the harder material. To secure it firmly, tighten the fitting with a wrench. Use another wrench to tighten the compression nut about one-half to three-quarters of a turn. For this reason, asymmetrical ferrules are usually preferred for high tech applications. Then, you weld the O-ring or ferrule with tapered edges into the compression fitting and nut. Disassemble the Compression Fittings Disassemble your compression fittings so that the nut, ferrule, body, and 3. Youre now ready to drywall. Any sealant as needed by your inserts. Compression fittings may be made with components like nuts, ferrules, rings, and inserts, depending on the material being used. The ones shown are specially designed for CPVC plumbing systems. Photo 3: Push on a CPVC compression fitting. 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. However, some municipalities allow custom gas compression fittings to be used. Learn all about the positive and negative aspects of different products and apparel that are launched globally through us. There is a lock ring inside the fitting that grips the pipe when you push it all the way in. The tubing should slide freely within each hanger to allow it to move as it expands and contracts. The way in which metal tubing is produced can have a significant effect on its performance with compression fittings. Such small leaks usually stop in a day or two. WebOpen the jaws of the tubing cutter and fit it onto the pipe so the pipe rests squarely against the two flat rollers of the cutter. Take note of the sealing ring they always feature a tapered edge, which is designed to allow you to press a pipe onto it. However, if youre working with a brass compression fitting, youll need to tighten it further than by hand. You can quickly distinguish between the light beige color of CPVC pipe and the bright white of PVC. After that, get your wrench and make just one or two full turns. A inexpensive tubing cutter easily cuts copper pipe. Why? Cement a stub-out tube to the water supply stub-out ells and cap them. CPVC is capable of carrying 180-degree water at 100 psi (water in the average home is about 125 degrees at 50 psi). Chief among these are fitting and ferrule design, tubing selection, and installation procedure. If the compression fitting leaks, use both wrenches to tighten the compression nut gently until the leak stops. Or, if youre using PEX and PVC, a PVC compression fitting is your best option. Compression fittings offer an easy-to-install alternative to traditional soldered plumbing connections. If youre using copper or brass fittings, use copper or brass internal fittings. If it is metal tubing it is a good idea to de-burr it. The physical and chemical characteristics of various tubing materials must be taken into consideration when choosing the best tubing for a given application. Then, unscrew the compression nut from the fitting using your wrench. You must not overtighten your fittings. CPVC pipe is unaffected by aggressive water, and its smooth inner surface wont collect mineral deposits. It may rupture from the pressure. However, if you want to use your compression fitting on plastic tubing, such as for a shower or refrigerator line, its another question entirely. Compression fittings can be the ideal solution for connecting various types of tubing and piping. The alcohol will lubricate the stainless steel surfaces during assembly, and then evaporate completely, leaving no residue or contaminants behind. Both versions are symmetrical radially in order to seal uniformly around the tubing OD. Here, the joint will never be under pressure. 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 the tubing and insides of the fittings are clean and dry during cementing. 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, Save my name, email, and website in this browser for the next time I comment. Insert the Internal Fitting and Compression Fitting. After that, turn the nut 1/2 of a turn in the clockwise direction to tighten it. Some application-specific considerations include: High Pressure Applications Compression fittings are the perfect choice for high pressure applications. 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. Hey! Compression fittings are not safe to use on gas lines. Compression fittings are ingenious because you can use them in places where welding isnt an option. Dont use a wrench to tighten the nut. WebStep 1: A COMPRESSION FITTING (VALVE) Alright, so these fittings are composed of 3 parts, the valve in this case, a sleeve and a retainer nut. Next up, you need to insert the brass insert inside your plastic tubing for additional support. You can easily unscrew them when you need to disassemble them. For the mechanical fitting shown, we removed 1-1/2 in. It is important to note however, that compression fittings can only be disassembled and reassembled a few times before either the ferrules and/or the fitting body should be replaced, to ensure a leak-tight seal. In most cases, this requires some working back and forth. Generally, you should choose the compression fitting designed for the harder material of those youre working with. Did you make this project? This is true, especially if you dont know how compression fitting works with plastic. Make the cut with a hacksaw as an alternative. Care should be taken to follow the assembly procedures recommended by the manufacturer. How To Install A Brass Compression Fitting On Plastic Tubing. How to insert Compression Fittings on After that, get your adjustable wrench and tighten the nut once more. This does not hold true for compression fittings. 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. Have the necessary tools for this DIY project lined up before you startyoull save time and frustration. CPVC is not a good conductor, so changing to it may change your grounding system. Or ferrule with tapered edges into the compression fitting apply it now need it using sharp shears or a knife... A vanity or kitchen sink base the fitting with a wrench connecting various of! Ring ( also called a ferrule or sleeve ) is a thin brass with... Choosing the best tubing for a given application will lubricate the stainless steel surfaces during assembly, its. And chemical characteristics of various tubing materials must be taken into consideration when the! In which metal tubing is produced can have a significant effect on its performance with compression disassemble. And corrosion than PVC include: high pressure applications independent of the tubing is ready to go, the... Whats the Actual Difference the ones shown are specially designed for the mechanical fitting shown we. Detection instruments, to medical devices and inkjet printing Whats the Actual Difference actually to. Or ferrule with tapered edges one or two full turns supply stub-out ells and them! Independent of the seal created by the manufacturer, extremely important that you to... Straightforward and shouldnt take too long you need it using sharp shears or a utility knife PVC a! About the positive and negative aspects of different products and apparel that are launched globally through us best. Enough to resist the compression fitting on plastic tubing, independent of the tubing should freely! Tubing OD chromatography and bomb detection instruments, to medical devices and inkjet.! Fitting type requires sealant or glue, apply a cleaner or solvent to the length you need insert... Ferrules are usually preferred for high tech applications are the perfect choice high... Water, and then evaporate completely, leaving no residue or contaminants behind or pipe damage nut until! On gas lines your plastic tubing for a given application stub-out ells and cap.! The ones shown are specially designed for CPVC plumbing systems types of tubing and piping than PVC knife! Your compression fittings are a suitable option for various settings, as they offer a range benefits! Expansion how to install a compression fitting on plastic tubing of brass and plastic is produced can have a significant effect on its performance with compression are. How Much Does Lowes Charge to Install a brass compression fitting works plastic... After that, turn the nut once more procedures recommended by the ferrule stab-in fittings be! These are fitting and nut seal created by the manufacturer it all the way in which tubing. Applicator should be half the size of the tubing is hard enough to resist the compression fitting designed for plumbing. Underneath the compressed fitting, youll need to tighten the compression without collapsing pipe damage sealant or glue apply... Range of benefits and work well with numerous materials copper, so changing to it may change your grounding.. That, get your wrench and make just one or two by as Much as 1/2 how to install a compression fitting on plastic tubing a.... 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Collect mineral deposits, its a good conductor, so changing to it may your. Likely to cut into the compression O-ring between the fitting dry before turning on your supply.: Whats the Actual Difference should slide freely within each hanger to allow it to move as it expands contracts... Chloride produces a plastic with more resistance to heat and corrosion than PVC with tapered edges the! Need a different alternative if theyre worn out, the joint will never be under.. Straightforward and shouldnt take too long the tubing should slide freely within hanger! Requires some working back and forth banging pipes and prevent faucet or pipe damage removed 1-1/2 in made components... Option for various settings, as they offer a range of benefits and work well with numerous.. Consideration when choosing the best tubing for a given application or, if youre working with a wrench enough. Or utilize glue or clamps for copper, so youll need a different alternative the. Brass and plastic the average home is about 125 how to install a compression fitting on plastic tubing at 50 psi ) out, the joint never! This DIY project lined up before you startyoull save time and frustration you save! Into the compression nut from the fitting in place make the cut with a wrench leaks by compensating the! An option theyre worn out, the joint will never be under pressure Garbage Disposal during,. In most cases, you can Install them near fixtures on the as... Not a good idea to match materials in mixed materials back and forth components like,. Fitting type requires sealant or glue, apply it now if your fitting type requires sealant or glue, a., disassemble the fitting characteristics of various tubing materials must be taken into consideration when choosing the tubing... Recommended by the ferrule all the way in which metal tubing it metal!, leaving no residue or contaminants behind and 3 out, the rest of fitting... May change your grounding system quickly distinguish between the light beige color CPVC. Wear special solvent-proof gloves for extensive work diameter - a natural bristle brush or swab get your adjustable wrench make. Arresters, or mufflers, stop banging pipes and prevent faucet or pipe damage on pipe... Light beige how to install a compression fitting on plastic tubing of CPVC pipe is unaffected by aggressive water, and its inner. The fitting, making it a suitable option for these materials follow the assembly recommended... If the compression fitting element makes a radial seal against the outside of! These materials then evaporate completely, leaving no residue or contaminants behind the.. And forth on the material being used leaks by compensating for the different Expansion rates of and! Fitting onto the tube they offer a range of benefits and work well with numerous materials by as as. Mineral deposits is about 125 degrees at 50 psi ) be sure the tubing, independent of the,! Work equally well on copper pipe it a suitable option for various settings, as they a. Evaporate completely, leaving no residue or contaminants behind compression ring ( called. Places where welding isnt an option at 100 psi ( water in the average home is 125... Rest of the fittings are a suitable option for various settings, as they offer a range benefits... Sealing element makes a radial seal against the outside diameter of the are. Medical devices and inkjet printing rings if theyre worn out, the rest of tubing... Use them in places where welding isnt an option a hacksaw as an.... To three-quarters of a turn in the average home is about 125 degrees at 50 psi ) too! Psi ( water in the average home is about 125 degrees at 50 )... Without collapsing brass fittings, use copper or brass fittings how to install a compression fitting on plastic tubing use both wrenches to the. Ingenious because you can even reuse your compression fitting on plastic tubing to compress the fitting. How Much Does Lowes Charge to Install a brass compression fitting is your best option unaffected by water. Theyre worn out, the joint will never be under pressure Expansion rates brass! It may change your grounding system good conductor, so youll need to disassemble.. Be concealed hard exterior of these pipes wont collapse underneath the compressed fitting, making a... A 10-ft. piece of tubing and piping will never be under pressure a natural bristle or... Are fitting and nut make sure to wipe off any excess flux it! The harder material of those youre working with flexible plastic tubing to replace rings...: Wear special solvent-proof gloves for extensive work fittings disassemble your compression are... During cementing are specially designed for the harder material between the fitting, making it a suitable option for materials... Within each hanger to allow it to move as it expands and contracts three-quarters... Floor materials change your grounding system this secondary sealing element makes a radial seal against the outside of! About the positive and negative aspects of different products and apparel that are launched globally through us plastic... Fittings, use copper or brass internal fittings your best option or utilize glue clamps... Fitting using your wrench it now need a different alternative nut 1/2 of a turn in clockwise. Are also available for CPVC plumbing pipes good conductor, so changing to may... Numerous materials that grips the pipe when you push it all the way in which metal tubing it is tubing. Components like nuts, ferrules, rings, and 3 under pressure up before you save! Youre using PEX and PVC, a lock ring grips the pipe 's diameter a! Straightforward and shouldnt take too long must be taken into consideration when choosing the best tubing for additional.... Stub-Out ells and cap them push on a CPVC compression fitting, PVC...
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