Tools and rings are readily available at most retailers. 0000083651 00000 n Please enable JavaScript to view the comments. Heres a more detailed look at each connection style and their benefits and challenges. However, do not use heat guns to speed up contraction time, especially on engineered polymer fittings. This makes pullback a non-issue. What is your most successful way of finding employees? For installing expansion fittings, it is recommended to use PEX-A tubing due to its flexibility and elastic memory. 0000180616 00000 n To learn more about PEX and the manufacturers for North America, visit the Plastics Pipe Institute website atplasticpipe.orgor the Plastic Pipe and Fittings Association website atppfahome.org. %PDF-1.4 % Manufactured solutions are always better for hanging PEX than field-expedient innovations. Uponor photo. 0000004458 00000 n Deck screws are available in a wide variety of styles, finishes, threads, and drive types. Its also key to pressure-test the pipe after installation to ensure system integrity. 235 0 obj <>stream Doing this ensures you have enough time to connect your fitting without it shrinking back to size too quickly. Vertical installations are classified as either in-wall or riser applications. We prefer the latter since it greatly simplifies the process and reduces time on the job. However, clamp connections offer a slight advantage as they only require one tool for any size connection. 0000178894 00000 n 0000004609 00000 n See our Privacy Policy and Terms & Conditions. 0000188178 00000 n 0000192831 00000 n PEX-as thermal memory refers to the ability to repair accidental kinks in the piping with a controlled heating source, such as a heat gun. The expansion method is approved for installation behind walls, in soil and also in concrete. Lastly, because some fittings require an insert stiffener and some dont, it can be difficult to ensure a proper connection is made. 2022 0000537988 00000 n No special tools are needed and the fittings can be removed and reused easily. Lastly, some contractors have reported that the tool is hard to get into tight spaces to make the final compression step of the connection. This can prove challenging when youve made the expansion and inserted the fitting, but you cant get the tool into the right location to finish the compression. If done properly, crimp connections are an easy-to-learn, fast-to-install, inexpensive method for connecting PEX. That goes without saying. endstream endobj 234 0 obj <>/Filter/FlateDecode/Index[6 142]/Length 27/Size 148/Type/XRef/W[1 1 1]>>stream 0000114941 00000 n 0000117234 00000 n 0000072229 00000 n Want more? The clamp connection method uses a stainless-steel ring on the outside of the pipe with an insert fitting going into the pipe. Design, CMS, Hosting & Web Development :: ePublishing. 0000383809 00000 n | 0000000016 00000 n You can use a manual PEX expansion tool or a cordless tool. 0000004495 00000 n 0000393623 00000 n Its important to consider temperatures role in this connection. Important to note is that some PEX pipe supports cannot be placed in the pipe span containing fittings; on those runs, hanger spacing must revert to that of bare PEX. <]/Prev 928959/XRefStm 2446>> Theres one key thing to note about Pro Tool Reviews: Were all about the professional tool user and tradesman! Then, the metal compression sleeve slides onto the pipe far enough to leave room for inserting the fitting. Check out the details for [], Which Home Depot Power Tool Brands Are The Best Fit For You? After making the connection, be sure to use a go/no-go gauge to verify a proper connection. With a loop and clevis system, using manufactured supports and anchoring with fixed points can reduce the rate to 0.22 inches per 100 feet per 10 degrees temperature differential, or by 75 percent. If conducting a hydrostatic test, do not allow the water-filled piping to freeze. Place anchor points at 65 feet for domestic hot water and 150 feet for domestic cold water. 0000070883 00000 n The rings location varies based on manufacturer, so always refer to the manufacturers instructions. Like with expansion products, the expansion with compression products are also sold through professional plumbing supply distributors. Also, the tool requires different sized heads as well as different sized compression jaws for each pipe size. Check the label. 0000049381 00000 n Insert the cone of the expansion tool into the end of the pipe and (with automatic expansion tools) press the trigger to begin expanding the pipe and ring. The circular saw is often the tool of choice for making straight cuts in a variety of common materials, and its one [], Saudi Arabia Announces The Line As A Futuristic 100% Renewable Energy City Weve often imagined what our cities of the future might look like, but Ill be the first to admit that Saudi Arabias The Line was nowhere on my radar. PEX-A will clearly say PEX-A, while PEX-B will say you guessed it PEX-B. "This article was originally posted on ww.reevesjournal.com.". All Rights Reserved. And while the stainless-steel rings are not corrosion-resistant, they have the potential to provide slightly more resistance to corrosion compared to copper crimp rings. Following the ASTM F2080 standard specification, the expansion with compression method utilizes both an expansion process to insert a fitting and then follows with a compression sleeve pulled over the pipe and fitting to make the connection. 0000804781 00000 n Do not install PEX pipe between the tub/shower valve and tub spout. Copyright 0000196624 00000 n 0000656856 00000 n Do not install PEX within 18 inches of a connection to a water heater, unless otherwise allowed by local code. But when it comes to system installations, what connection method is best? How to properly check and calibrate your SharkBite PEX Clamp tool. Using a manual or cordless expansion tool, insert the tool into the PEX pipe and expand the pipe. Expect slight fluctuations of pressure caused by ambient temperature changes. Thus, its advisable to do a hanger layout that will allow for the full benefits of the manufactured PEX pipe support product. 0000002446 00000 n This characteristic makes the piping highly resistant to freeze damage and also allows for the use of ASTM F1960 expansion fittings for piping connections. This also applies to PEX-a Pipe Support installed in the vertical position. 0000257583 00000 n 0000509205 00000 n Enable Performance and Targeting Cookies to view this content. The cordless expander is about as easy and foolproof as can be. Then, the tool is turned around to use the compression jaws to compress the sleeve over the pipe and fitting. Pro Tool Reviews is a successful online publication that has been providing tool reviews and industry news since 2008. Plenum Installations:Uponor PEX-a piping systems, for example, are listed for use in return-air plenums per ASTM E84. Make all hot-work connections prior to making the ProPEX connection. If using a manual tool, you must manually rotate the tool after each expansion. How To: Wrap SharkBite Fittings for Underground Installation. For webinar sponsorship information, visit www.bnpevents.com/webinars or email webinars@bnpmedia.com. There are a variety of ways to connect PEX pipe. The mantra to remember is pump and turn. Also, due to its higher cost, some in the industry consider push-to-connect a temporary fix fitting. The next step involves placing your expansion ring on the cut end of your PEX. If the installer doesnt push the fitting on far enough and misses the sleeve, there can be potential for leaks. Do not use PEX pipe where temperatures and pressures exceed ratings. The installer makes one expansion, then rotates the pipe to make one more expansion before inserting the fitting. PEX-a pipe can also be installed in return-air plenums with an E84-listed insulation when the use of PEX-a Pipe Support is not practical. Once the tubing is expanded, insert the fitting until it hits the shoulder and allow the PEX to contract around the fitting until secure. Slide your expansion ring over the PEX tubing until it overhangs the end of your tubing by no more than one-eighth inch, or until the stop on the ring, if present, touches the tubing. xref Once the ring bottoms out, keep the trigger depressed. Then, a PEX expansion ring slides over the end of the pipe. You must have JavaScript enabled to enjoy a limited number of articles over the next 30 days. Additionally, the tool requires different head sizes for each pipe size, so its important to purchase the proper head sizes for each pipe size you plan to install. Depending on the pipe size and code, you will need to space the hangers between 32- and 48 inches apart. If necessary, relieve line pressure by opening a nearby faucet until the water stops flowing. 0000311422 00000 n Youll be much happier with your installations moving forward. Retrofitting With manual tools, you must pump the handle of the tool to make an expansion. For residential pressure testing, the minimum test pressure should be 25 pounds per square inch above working pressure, or 100 psi. 0000441649 00000 n 0000514285 00000 n In our case, we use the Milwaukee M18 FUEL Pro PEX Expander and also the more compact Milwaukee M12 FUEL Pro PEX Expander. PEX-as elastic memory means it can expand up to three times its diameter and then shrink back down to its original size. In his free time, he's renovating his home and working on a new landscaping concept for it. endstream endobj 149 0 obj <>/Metadata 4 0 R/Pages 3 0 R/StructTreeRoot 6 0 R/Type/Catalog/ViewerPreferences<>>> endobj 150 0 obj >/PageWidthList<0 612.0>>>>>>/Resources<>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>/Shading<>/XObject<>>>/Rotate 0/StructParents 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 151 0 obj <> endobj 152 0 obj [/ICCBased 172 0 R] endobj 153 0 obj [/ICCBased 173 0 R] endobj 154 0 obj <> endobj 155 0 obj <>stream For in-wall installations, hangers should be spaced five feet apart. The last thing you want is to be left holding the bag if you have a service or warranty issue and the manufacturer cant help because youve mixed brands. Three types of PEX exist: PEX-a, PEX-b and PEX-c. PEX-a, the type were mostly concerned with here, is extruded above its crystal melting temperature using the Engel Method. 0000070469 00000 n She can be reached atkim.bliss@uponor.com. Listings range from one-hour penetrations for combustible wood-frame construction to three-hour non-combustible listings for steel-frame and concrete construction. Remember the shape memory of PEX? hbbbd`b``3 Current Plumbing Industry Trends You Need to Know, Taking Advantage of the Power of Press Releases, COVID-19 Stay-at-Home Orders Might Make Our Buildings Sick, Too, Making a Connection: A Comprehensive Guide to Putting Together PEX Pipe, General Pipe Cleaners, div. 0000016488 00000 n PEX-B will have metal rings either cramp or clamp whereas the PEX-A uses an expansion ring made out of PEX or a similar material. The required number of expansions can vary by pipe size, but a typical rule of thumb is to expand the pipe until it reaches the head of the tool and then do one more expansion. This is the only PEX fitting system that can be buried in concrete. 0 0000721092 00000 n This connection system is easy to learn, fast and easy to install, and impossible to dry fit (because the fitting internal diameter is larger than the pipe). Manufacturers recommendations vary on how often to calibrate the tool, so be sure to follow the proper calibration frequency. 0000193864 00000 n 0000183857 00000 n 0000188093 00000 n 0000200947 00000 n 0000812441 00000 n This can restrict flow and decrease system performance. 0000083207 00000 n Preventative Maintenance, Copyright 2022 Williams Plumbing, Civil Construction, Engineering, Transparency in Coverage - Machine Readable Files, Check out our deep-dive article on PEX-A vs PEX-B, 4 Ways to Unclog Your Toilet, Sink, or Bathtub, How to Change the Batteries in a Honeywell T4 Thermostat. Join your colleagues who already get great content delivered right to their inbox. It is important to make sure the expander head rotates after each expansion to prevent ridges on the inside of the tubing. This method adheres to the ASTM F2098 standard specification. Just like with all PEX connections, the process starts with a clean, straight cut on the end of the pipe. 0000197469 00000 n If you don't want to bring your iPad into the bathroom, we can send you a magazine subscription for free! The Plastic Piping Institute TR-46 Guidelines for Use of Mini-Horizontal Directional Drilling for Placement of High Density Polyethylene Pipe allow for runs of up to 600 feet in depths up to 15 feet, using pipe with a maximum diameter of 12 inches. 0000116878 00000 n startxref The stiffener sleeve keeps the pipe rigid on the inside to make a good seal against the fitting O-ring. *!xH9Fh. Note that each PEX pipe requires this specific expander head, so ensure that it is the correct size prior to beginning. If you didnt already grease the head, be sure to before starting the first connection. 0000664515 00000 n HWM_1Gf0|9[ ]yJ!?~OO|_.?yq/z}^|6-xI,imiy~^0Yj*uo tyse^l[|VY|up_\V"=k?xt9aT&{yy:G25yEx3CU^,\3*L9bMf^l[D*6^Uc.vTkZk{4Eb'd][`L~(KB, F1**`~[-'o%4l0eDj~4'w`^J^'Jr,U~>qU V?&G/MsZ5tPN-cx[qNp+~+G&pia@N6* IgD! p %,m^2}bX%q>rw9_X-l6OaGa WY(#G 0 F9J Also, when making connections in colder weather (below 40 degrees F), the connection time will take longer. Kim Bliss is the content development manager at Uponor. of General Wire Spring. Do not install PEX pipe within five feet of direct view from fluorescent lighting without sleeving the pipe with a UV-blocking material. 0000872454 00000 n 0000094326 00000 n 0000184269 00000 n Furthermore, do not solder or braze within 18 inches of EP fittings. 0000388716 00000 n Join our newsletter and get the latest tool reviews every week! 0000094248 00000 n Third, place the fully closed expansion head into the tip of the PEX. The second way is to identify the style of fittings. Slide the ring back toward the end of the pipe where the pipe and fitting overlap. You also need to hold the PEX tubing and fitting together for a second. When done properly, this is a quick, easy method for connecting PEX. Different installation practices apply for dealing with horizontal and vertical runs of PEX-a piping. Like crimp connections, the clamp connection is approved for installation behind walls and direct burial in soil. Also, the clamp connection is easier to disassemble than a crimp connection if the connection needs to be removed. Once the pipe and ring are properly expanded, remove the tool and insert the fitting. 0000882521 00000 n Be sure to flush the system with potable water after chlorine disinfection. Like crimp connections, clamp connections are fast and easy to learn, quick to install and the products are readily available at a variety of retailers. 0000257622 00000 n If the end of the pipe and ring are touching the shoulder of the fitting, the connection is good. 0000467469 00000 n 0000546806 00000 n For commercial pressure testing, condition the PEX-a to 1.5 times the test pressure then allow the pressure to drop to 10 psi before re-pressurizing to 1.5 times the test pressure. By visiting this website, certain cookies have already been set, which you may delete and block. It also goes without saying that you need to account for the wider arcs for anywhere you dont plan to add a 90-degree elbow or similar bend. Editors Note: Check out our recommendation on how to [], Whether youre new to the construction industry, looking to make it as a maker, or want to do your own home repairs, it makes sense to know how to use a circular saw. After properly positioning the ring, use a clamp tool to compress the ring until the tool stops. Here is a look at each methods pros and cons. Theres no need to purchase separate heads for different pipe sizes. It is governed by the following ASTM standard specifications: F1807 for metal insert fittings and F2159 for plastic insert fittings. 0000728914 00000 n 0000200520 00000 n Contractors will keep a limited stock on hand for emergencies but then go back and make a permanent connection with a different connection method and keep the push-to-connect fitting for another fast fix later. As an Amazon Associate, we may earn income when you click on an Amazon link. Repeat this pressurization/depressurization routine for 30 minutes. Tools are available in manual and automatic versions. Do not spray on or allow exposure to any organic chemicals, pesticides, strong acids or strong bases. 0000002623 00000 n Again, use CTS hangers and support the bare PEX according to the applicable code. 0000310904 00000 n Thanks for helping us do what we love. When installing it, however, its important to understand its properties as well as heed certain practices that will allow it to operate as designed. Ensure that the pipe does not come into contact with any sharp objects or exceed the minimum bend radius of six times the outside diameter. Through-Penetration Firestops:PEX-a pipe carries numerous listings through ASTM E814 for through-penetrations. 148 88 Do not install PEX pipe within six inches of any gas appliance vents, the exception being double-wall B-vents or plastic vents that have a minimum clearance of 1 inch. 0000039254 00000 n Limit the number of expansions in cold weather and, if necessary, use a heat gun or hair dryer to warm the pipe and ring for a solid connection. Copyright 2008-2022 Pro Tool Reviews, LLC. 0000193299 00000 n Comments on this site are submitted by users and are not endorsed by nor do they reflect the views or opinions of COLE Publishing, Inc. While push-to-connect fittings are approved for installation behind walls as well as direct burial in soil, the fittings must first be wrapped in an impermeable material to protect the connection from ground contaminants. PEX-a piping lends itself to an abundance of applications where it takes the best of traditional, metallic piping and combines it with superior physical properties. 0000504125 00000 n 0000187243 00000 n The system uses a special tool featuring an expansion head on one end and compression jaws on the other. Another downside with using insert fittings is the smaller internal diameter compared to the pipe. 0000395382 00000 n PEX expansion (also known as cold expansion) conforms to the ASTM F1960 standard specification and uses a PEX expansion ring and a fitting with a larger internal diameter to make a connection. Still, it is important not to expose these fittings to open flame, organic chemicals, thread sealants, solvents, adhesives or strong acids and bases. 0000002096 00000 n Utilizing a manufactured support in conjunction with anchor points, can reduce this expansion and contraction rate to a more-than-acceptable level. The crimp connection method uses a copper ring on the outside of the pipe and an insert fitting that goes into the pipe. Another challenge with this type of connection is the pinch point danger with the compression jaws when the tool is pulling the sleeve over the pipe and fitting. Like any plumbing project, your first step should be shutting off the water supply to the area you're working on. Because this connection method is a two-step process, some installers report it can take longer to make a connection, especially when both the heads and the jaws must be changed out for different pipe sizes (think: reducing tees). Another important note: Calibrating the tool is important. Over time, this can lead to potential leaks if the installer is not using a go/no-go gauge and the crimp is a bit loose. Doing so saves you from having to play detective on soil contaminants. Most tools wont release until the connection is complete. hb``a`e``c@,`q!--I&T:@lQ9[Z't=abbjH=4Y@vSg)p^`#1#MX3$6XtA[Dz8^6flf\7m[dOHNays,)CYcqg7>\u='O~: 2``` JE 0000183506 00000 n If you happen to be using a hand pump expander, things will be slower. Additionally, it eliminates the need for go/no-go gauges as well as tool calibration. Fitting options include EP or brass. Do not weld, glue or use adhesives on PEX pipe. trailer E119 listings are maintained by each respective manufacturer and are product specific. Heres where that advantage comes into play. It can reduce surge pressures by 18- to 40 percent more than metallic piping. Be sure to first match the types of materials you are fastening. First, measure and cut the length of PEX you need. 0000515383 00000 n Check and calibrate your SharkBite PEX Copper Ring Crimper tool. Mid-story guides should consist of an iron pipe size support and are meant to guide the pipe and maintain direction. 0000923403 00000 n 0000004421 00000 n 0000187628 00000 n Compared to rigid pipe, flexible PEX pipe has a lot of benefits in areas such as durability, reliability and cost-effectiveness. Be sure to verify that with each expansion the head shifts position slightly. 0000634614 00000 n Loose crimps can result in leaks, and crimps that are too tight can damage the pipe or fitting. Do not solder, braze, weld or fusion-weld within 18 inches of any PEX pipe in the same water line. 0000626955 00000 n Once the fitting is inserted, the piping and expansion ring naturally compresses over it, making a pipe-joint connection that actually grows stronger over time. RWC The piping world is changing. 0000332511 00000 n 0000072781 00000 n As a plumbing and gas fitting Pro, he leads a rough-in crew north of the border in Edmonton Alberta. 0000071321 00000 n Do not use PEX pipe for an electrical ground; PEX is not a conductive material. Easy peasy. 0000071799 00000 n 0000180939 00000 n The downside is that, just like the crimp method, it goes against the properties of PEX. Follow factory-recommended installation instructions. Because most PEX manufacturers offer a warranty with their product (some up to 25 years), its important to stick with one brand. All rights reserved. Please read and accept our website Terms and Privacy Policy to post a comment. While there are certainly plenty of home improvement ideas and materials taking up most of the floor space, that power tool section is where you can what []. PEX can make a complicated job go by quickly and cost-effectively. Uponor photo. The push-to-connect fitting method, which conforms to the ASSE 1061 standard specification, uses a fitting and, depending on the manufacturer, an insert stiffener. Why? By visiting this website, certain cookies have already been set, which you may delete and block.

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how to install pex expansion fittings