It comes in small bucket containers or caulking tubes. The idea is to make sure the suction isnt so high that it tends to collapse the ducts. For these items, please call the store where you purchased them or our customer service department at 1-800-376-7856 so we can assist you. Just going to Rockler, hopping on Amazon or the Penn State Industries website isnt enough; you want know what youre looking for and narrow your buy list. Therefore, the static discharge will occur and cause problems. 
If your, woodworking area creates a relatively low amount of sawdust, better to go with 4 PVC because it doesnt reduce the power of the central system as 6 PVC pipe does due to the pipe size difference. If you have a benchtop planer with a flex hose attached to the dust collection port, youve probably gotten a shock from touching it while it was drawing chips. However, now Im willing to buy some components online so that I get exactly what I need, and buy the readily available parts at the home center. Where you have flex ducts you can run a wire to jump across. I use duct sealant (mastic) which is designed to be brushed onto seams and fill all the gaps. Especially when your shop has multiple saws, they could each have their own pipeline-like branches. I like things that will take my abuse so I got the aluminum ones, with the cast aluminum body and hex nut to hold it in either open, partially open, or closed position. Fittings are constructed of 20 gauge steel. Some people have designed a pressure relief damper at the end of their runs with a spring-loaded door. (How To Use It on Wood), Small bending corners reduce the suction power, Plastic tee fittings arent suitable for dust removal. Some of these are self cleaning in that the sliding gate goes all the way through the body to push out accumulated dust. #Workshop. If the diameter is too small, then youre going to have a higher static pressure loss and therefore less CFM at the tool. So, I highly advise you to stay away from using Schedule 40 Schedule 80 PVC for the dust collection system. It worked but was far from ideal. SMACNA has Table 5-2 Minimum Hanger Sizes for Round Duct, but it starts at 10 round. Thanks for a really thorough article on dc design, setup, and some theory. You can design the whole thing and install sections at a time as funds allow. I see that most people run their main ducts overhead and drop to the machine. Wood dust is explosive with static discharge. Although I could do this my thoughts are to run low against the wall. Does JB Weld Work on Wood? It gets rid of any fears of static electrical dust fire fears, and I think looks cooler too. PVC is the most common pipe type for dust collection. Right now, Im in the process of re-calculating the whole thing knowing my actual airflows and being able to predict my static pressure losses with various duct diameters and CFM values. Just make sure that whichever one you get will minimize leakage when closed. Spiral seamed ducts are made on a machine that makes the longitudinal seam wrap around the duct. WoodChip Tip: If youre running one machine at a time, theres NO reason to have your branch ducts sized less than the main duct. My local home despot carries 5' lengths. Theres a reason professional shops have a centralized dust collector system; its much more convenient and efficient, and safer for those doing the woodworking. Those fittings are what cost a lot; the ducts themselves were not much.
You need to get the most suitable pipe size for your dust collection according to the sawdust amount. Planning for new machines and projects involves sourcing duct that removesdust and debris from the workspace. Its good practice to run a grounding wire from your machine around / inside the flex hose to the sheet metal duct to keep the system grounded. This will especially happen in a hot garage, humid basement, or hot attic space. I originally had my main duct at 5 and branch ducts at 4, mostly for convenience due to most dust ports and flex hose being 4. I want you to optimize and elevate your woodshop to a work of art for a more inspiring and prolific experience. So, those are the different kinds of pipe that can use for dust collection which is the perfect answer for What kind of pipe to use for dust collection? Same with small sections of PVC I experimented with. If you want to ground the entire PVC pie system effectively, better to cover the entire PVC pipe system with conductive coating and ground the pipe inside components at the end of the pipe. For vibration isolation purposes, I do have a short plastic flex section near the collector, so jumping a wire across that is a good idea, and since its cheap and easy to do its not worth it to me to research how necessary it is, I just figure do it. 
You can install a spring-loaded safety damper that you can make yourself. Dust Collection System Design and Equipment, Blast Gate, Elbow, Hose Clamp, Hose Hanger, Junction, Y Fitting, "T" Fitting, "Y" Fitting, High-quality brands and products you can trust, Expert advice and free post-purchase support, Exclusive, innovative products that help you Create with Confidence, Detailed instructions, technical specs and guides to make the most of your purchases.
They sell general use foil tape, but the UL-181 is approved for HVAC ductwork. Most excellent!
This will help mitigate dangers of static electricity vs. dust clouds. Im always surprised by how much of a shock dust moving through a non-metal tube can be. You also dont have to do it all at once; of course design for the whole shop first but you can always run enough duct to catch a few important machines and do the rest as you have time. Ive experienced sharp static shocks from my planers plastic flex duct. pic.twitter.com/CrO7yKMvLi. Once you establish your design and procedures, its pretty much rinse and repeat after that; all joints are installed the same way. I see it as a minor risk though, but it is a thing, in that a shock is produced in several types of plastic pipes.
Yes, ABS pipes are perfect for dust collection. You need to focus more on effectively grounding the PVC pipe system. Thanks again. But if the generating saw dust amount is high, better to stick with a 6 PVC pipe for an effective dust collection process with maximum airflow. 12 Benefits Of Rubberwood, Is Elm Wood Good for Furniture? Same with corners. Click here for the woodworking plans: Dust Collection Plan. For the best experience on our site, be sure to turn on Javascript in your browser. Most of you know that duct tape isnt really for ductwork. Here I share with you how I did it and continue to turn my plans into reality Also, you'll get weekly WoodChip Tips, design ideas, free useful downloads, free mini-courses, and other cool stuff in The Other Side of Zero newsletter!
Read More About Him! If you have any questions about these charges, please contact customercare@rockler.com or call us at 1-800-376-7856. I buy 30 gauge and its been perfectly fine for my collector (nothing collapses, even with gates closed), but you may want a higher gauge depending on the static pressure your dust collector can generate. I always brush sealant over each screw when Im done with the basic assembly. Having a central dust collector in one place (or two, one for each side of a larger shop) is a much better solution than either using a shop vac rigged with a mini-cyclone or bucket separatortrying to mimic a full sized collector, or an undersized 1HP collector rolled from tool to tool. While designing your dust collection system, you should make the above choices so you account for them in how everything fits together. Some people have had success with the ClearVue and other plastic/ PVC ductwork, but personally Id ground it with wire though. Place the rigid sheet metal duct drop with its blastgate as close to the machine as you can without the flex hose interfering with the infeed or outfeed. With the proper ratio of dust to air, it is well known this can cause a disaster. Written By Bobby. I'm the man behind WoodWorkly.com and the owner of Woodworking planet. Just what I needed! Ive found, however, that sheet metal ductwork is fairly simple to install (if you can figure out how to build furniture you totally can learn this), and not really that bad expense-wise. Save my name, email, and website in this browser for the next time I comment. With metal ductwork in a variety of sizes and connection types, we are able to provide the right dust collection pipefor your project. Metal pipes offer high strength, superior rigidity, and minimize static discharge in dust collection pipe. I have to also be careful that the ductwork isnt too big for the CFM Ill be getting or the velocity will be too slow to carry chips back to the dust collector. Safety, efficiency, and strength are coiled together in these superior dust collection pipes and fittings. Any order over $500, the freight will be determined after your order is placed and you will be notified of the exact charges before shipping. More pipe work on the miter saw station. So, with metal, there will be zero explosions because metal is not a source of ignition. To me its more annoying when I touch it or brush against the flex line. Im Walter Parker. Then, with no need to drill a pilot hole, switch to a driver bit and then drive the screw. Schedule 40 Schedule 80 PVC creates low pressure on PVC that reduces the suction power of the dust collection system. The store will not work correctly in the case when cookies are disabled. I buy the longitudinal seamed straight duct that snaps together, and just seal the seam with duct mastic. We are proud of the quality of our products, and we stand behind them 100%. SMACNA or your Mechanical Code will often have have a chart based on duct sizes and shapes. You can use trial and error on the spring tension such that it stays closed with any one blastgate open but if you accidentally close all of them then this spring damper will open to relieve the excess vacuum inside the ductwork. But on the other hand, 4 PVC pipe cuts the airflow than 6 PVC pipe. Well thats how a lot of woodworkers think, not feeling like an HVAC expert or very interested in dealing with sheet metal ductwork. Make sure you clean and degrease the ducts before applying sealant or it wont stick as well. Its a ton of work, but lucky for me, I have all the metal duct work and most of the gates needed which helps relieve my fundraising concerns. You have given me solid information that I really needed. When designing commercially, there is a code compliance aspect to the design so following the code charts will be necessary (these include how theyre anchored as well, such as into concrete or wood, embeddment of the fasteners, what type/ size of fasteners, etc. For international returns, please click here. Hi. @*/false; if (!IE) { return; } if (document.compatMode && document.compatMode == 'BackCompat') { if (document.getElementById("af-form-1847748224")) { document.getElementById("af-form-1847748224").className = 'af-form af-quirksMode'; } if (document.getElementById("af-body-1847748224")) { document.getElementById("af-body-1847748224").className = "af-body inline af-quirksMode"; } if (document.getElementById("af-header-1847748224")) { document.getElementById("af-header-1847748224").className = "af-header af-quirksMode"; } if (document.getElementById("af-footer-1847748224")) { document.getElementById("af-footer-1847748224").className = "af-footer af-quirksMode"; } } })(); Excellent resource for someone like myself just getting started in shop set up. Herere the advantages and disadvantages youll get by using PVC as dust collection pipes. For example, while shopping, its better to have a list that says (4) 6 diameter 1.5 radius elbows, (6) bridging hose clamps, 6 diam., (2) wye-fittings at 6x6x6, etc. rather than have to try to think while in the store. Inevitably youll forget something and lose momentum during the assembly. Enjoy woodworking! Because grounding is so cheap and easy, I figure Id do it. Connections, blast gates & flex tubing are on order. Terms of Use and Privacy Policy, Just use the one that came with your machine, or, Buy/ make one to match the duct diameter that you calculated, Straight metal strap, either hex bolt type or keyed screw closure, or, Straight lock-seam, sometimes called snap lock type, or, Norfab ductwork with connection clamps, specially shaped ends for easy but removable connections, You can get regular sheet metal screws, or, Silicone sealant is a pain to deal with, and cant be painted easily, whereas, Phillips head sheet metal screws are difficult to drive one-handed without falling or slipping; make sure it has a hex head, Duct drops down to machines need to be restrained due to the flex hoses tugging on them to prevent the sealed seams from breaking, 4 tool connection at the jointer tends to get clogged with shavings, so maybe upsizing this is a good idea, if velocities permit. So, lets discuss the qualities and properties of different kinds of pipes that differ according to their building material. On larger ductwork, youll often see the contractor apply sheet metal strap along the elbow to hold the segments in place, then seal the whole thing. Inevitably your walls arent plumb or square so having some leeway (adjustability) is nice. I also tend to put some force on them when I disconnect them occasionally, so having the fitting there strapped helps.
Thank you so much! They are mostly 30 ga., which is probably the thinnest Im comfortable with. My first design made assumptions about my dust collectors CFM/ Static Pressure capability. You can look online for what static pressure (look for negative pressure) each type can take. Also, when it comes to the sheet metal thickness (gauge), the higher the gauge number the thinner it is. (function() { var IE = /*@cc_on! The higher this ratio the more gentle the sweep is. Generally, ductwork configuration for best airflow is fairly intuitive. Make sure to provide 4,500 feet per minute velocity in the dust collection system to get sufficient suction power and minimize dust explosion. Youll often see them in commercial buildings, especially exposed ceilings. These are just segmented elbows that rotate relative to each other to make angles other than 90 deg,, and allow you to make the inlet and outlet at odd non-perpendicular planes. So we are learning how to make mufflers and silence the bag house as best we can while planning runs and getting the duct work in place. Put together as many parts on the ground as you can, then loosely suspend those subassemblies so they can be connected when youre on the ladder. The time benefits alone are worth the brief learning curve effort. Once youve put all the fittings on the floor or bench facing the right direction, you can mark the correct side to crimp, so you dont accidentally have it face against the airflow direction. Because when the PVC pipe youre getting is thinner and lighter, easier to work with. //
I buy 1.5 R/D, but I still have some 1.0 R/D that I intend to replace. But on the other hand, 4 metal pipe cuts the airflow than 6 metal pipe. Below is my original dust collection layout. Plus, never use Schedule 40 Schedule 80 PVC pipes because they are heavy and expensive. In this article, well explore what kind of pipe to use for dust collection and how to build a dust collection system. Because it doesnt reduce the power of the central system as 6 metal pipes do. Theyll significantly lower the power of the central system due to the extra weight they have. Each of the above components have several options associated with them. By Bill Pentz in forum General Woodworking and Power Tools, By Bob Borzelleri in forum General Woodworking and Power Tools, By Steven Wilson in forum General Woodworking and Power Tools, By Sam Chambers in forum General Woodworking and Power Tools, Metal Home Depot Duct and Dust Collection, Dust Collection - my latest two cents worth, Q: Dust Collection System in a Small Shop, If this is your first visit, be sure to
Do you still need to run a ground to metal ducting and if so where and how many or how often? Im investigating about Hanger separation recommended for dust collection systems. He wants to make people love woodworking! Youll have some extra weight on wye fittings due to the flex ducts and blastgates. From this article, we have answered what kind of pipe to use for dust collection by taking metal and PVC pipes. And, if youre on Twitter, be sure to follow #woodchat every Wednesday night, at 6:00 pm, PST. The hex head can be held by the hex driver without falling out and doesnt tend to slip like a Phillips head will often do. But, if you just know the basics (dos and donts, how to size the ducts and the collector), you pretty much can buy the pieces you need and put it together like Legos and be done. We have some dust collection systems and I would like to know how to determine or what are the standards to install every hanger (separation between them). Bridging hose clamps are better than conventional ones; however these clamps from Rockler work on right-hand swirled flex. Because when the pipe size is getting bigger and bigger itll eventually slow down the power of the central system. 14 main trunks. If you have left-hand, youll need to make sure that the clamps are bent the right way. Once you do the hard work of design and gathering all the parts, the installation itself is actually fun and not bad at all. But I bet youd like to have a dream dust collection system in your woodshop. Be sure to go with the thinnest pipe which is known as Sewer and Drain. If you dont have a good dust collection setup it can feel like youre spending more time cleaning up than actually working on projects. Ive known about these bridging hose clamps for awhile but I finally just bought some. We have talked about the pros and cons of each kind of pipe and answered some frequently asked questions as well. For me, while it may be safe to use PVC, Id rather just use sheet metal ductwork and not worry about it. I feel strongly about it and really like mastering more on this subject. Theyre just capped for now. So, it will never move at all. By diagramming it out, even if its just a hand-sketch, will help you count the # of each component you need. But, as an engineer I know better. I use these for portions of the ductwork under higher stress, such as where flex hose yanks on the drops when the machine is moved around. See how you can get free standard shipping. Choose the right fittings for more airflow; there are a lot of restrictions already in a dust collection system so why make it worse by choosing the cheap ones? Even though PVC pipes are grounded, but still problems will occur. My New Dust Collection Filter Bags Arrived! By drawing your ductwork to scale, itll give you an idea of how many feet of straight duct youll need. ABS pipes are easy to install and inexpensive. The pipe size is also a factor you should consider when selecting a type of pipe for dust collection. Ive never encountered this static electricity problem you describe running a 5hp Clear Vue dust collector. But you need to make sure the ABS pipe system is properly grounded to avoid creating static discharge because combustion can take place under ideal conditions. Bob. It gets hotly debated but honestly its so easy to run the wire that it didnt seem worth the time to me to take the chance. Pipe is made of 24 gauge steel. So once youve bought all the Legos, itll probably take an afternoons worth of time to put it all together. In Shop Systems. The above pipe types differ in pipe size and you have to select one according to the type of job. My #DIY #PVC dust collection systemwhat a difference! // ]]> Dust Collection System Layout Strategeries, This will be my 3rd (And I hope final) dust collection redo. 
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