Plumber's tape, often called Teflon tape, helps you get a watertight seal on threaded pipe joints. Usually, if you have a plastic shower head, the Teflon tape could damage some parts or even create a hole inside a shower head pipe once you try to remove it. Teflon tape will also prevent your brass pipes from sticking, should you ever need to disassemble a joint. Though ½ inch tape is not the only tape used by professional plumbers, it is the most versatile. Estimated delivery times for these services are similar, and are shown below. Here's a few tips from the Plumbing Geek about how and where to use Teflon® tape, and where not to use it. Following this logic, it is therefore not always recommended to use Teflon tape to seal threads of pipes that are meant to be part of fluid power or hydraulic systems. NPT threads are designed to be used with a sealing compound such as Teflon tape to create a leak-free seal, whereas NPTF threads form a mechanical seal by crushing the entire thread form. Use of names What function does the booth manometer perform and how do I understand the reading? Sign up for exclusive updates and special offers! We see field connections where people have teflon tape heaved on their NPS fluid connections. These pipes will need a cement treatment. Water Connections. To understand when its appropriate to use a thread sealing tape, it's important to understand a little about the various types of threads on water treatment equipment and components.   TECH TIP. Then, you can add some pipe dope on top of the teflon tape… I also use grease on the frame shell and the BB thread, so I have both. The two most common types of tapered threads are: Most plumbing connections in the USA have NPT threads. Using Teflon tape is adequate for most plumbing applications. Start the wrap, at the end of the fitting and wrap towards the piping keeping the tape tight, "it takes practice". Inhalation of even a minute amount can be fatal. If some of the sealant gets into the faucet, it will get washed away. on 4th Nov 2016. A customer’s recent stubborn coating leak confirmed why we discourage the use of Teflon tape on fluid fittings. Do I need to do anything special when I install new cartridges in my RO or RO/DI system? The NPT thread design makes the seal between the male and female tapered threads on the air fittings. In fact, because it does not tear and is easily manipulated, you can cut off a piece, roll it up and then obliterate the screw-access hole. One advantage that Teflon tape has over pipe dope is that is not as messy to use and clean up after. In the wet coating industry there are two types of threads NPT (National Pipe Tapered) and NPS (National Pipe Straight). In the wet coating industry there are two types of threads NPT (National Pipe Tapered) and NPS (National Pipe Straight). It’s generally wrapped twice around pipe threads. Pipe threads are a different story - those use tapered threads to make the seal (which isn't a very good seal BTW), so those damn near require teflon tape /paste to … Use thread sealing tape when joining BSPT fittings.Easy enough! I don't agree with the argument that if things fit right, you wouldn't need tape. Teflon tape is common in almost every household to be used for reinforcing water pipes. WHEN NOT TO USE TEFLON TAPE. For example, it’s a good idea to use sealant on an angle valve serving a sink. But I do see it being used in ways that are pretty useless, and even counter-productive. Neither Teflon tape or pipe "dope" are intended to "seal" joints, no matter how they are advertised. Teflon tape is a great invention, and I wouldn't be without it. The majority of our shipments are sent UPS Ground or FedEx Ground. Teflon tape comes in a number of different widths. Buckeye typcially ships the same day, or less commonly, the day after an order is placed. In our recent case the tape was so thick that internally the male and female tapered sealing surfaces were not mated and causing the leak. About the only exception that I can think of would be brass to brass fittings, and even then, sometimes it is necessary to use teflon tape or pipe dope to seal it. The tighter male tapered threads are screwed into female tapered threads, the greater the contact between mating threads, and the better the seal. Chris shows you the right and the wrong way to use Teflon, or PTFE, tape. There are different thicknesses of Teflon tape, and they all do well as long as you make sure you have adequate tape on the threads. and it create cracks on the fittings, that why i want to know the proper placing of teflon to prevent leaks on the future due to over placing of teflon. The tapering forces two pipes to pull together as you screw one’s male threads into the other’s female end. When using teflon tape, you only need 3-4 wraps put on in the same direction as you turn on the fitting. Here’s our Teflon® Tape guide in relation to PTFE Tape. However, bits of tape that get into the same faucet can cause it to not close properly, resulting in a drip. Teflon® Tape is a common, inexpensive and effective thin white tape used to seal pipe threads being joined together for plumbing jobs. A customer’s recent stubborn coating leak confirmed why we discourage the use of Teflon tape on fluid fittings. An excellent pressure seal design is a smooth metal-to-metal contact as in the NPS internal design. If you’re inquiring about brass fittings, Teflon tape is only necessary if there isn’t already a built-in rubber seal. Finishing Tips, Tricks & Professional Advice, Copyright 2021 Finish Systems ™ All Rights Reserved, Low Pressure (HVLP, Turbine HVLP, LVLP, Reduced Pressure & Conventional Air Spray), How to Choose the Right Compressed Air Piping System, 3M Performance Spray Gun - A Smarter Way to Spray, How to Eliminate Orange Peel from Your Finish. » Unregulated Contaminants Found in Drinking Water in Public Water Facilities. Direction of Wrap. Teflon tape is one of those great new products from the early 70’s. It is used to seal water, air, gas from leaking through threaded connections that don’t have a built in rubber seal. Teflon tape isn’t the correct name for this particular type of thread sealant. Although it's possible to screw a male NPT into a female BSPT fitting, you'll note the threads don't match, and the joint will leak - with or without Teflon tape. They are there to lessen the friction between the two mating threads so they don't bind up on each other. Teflon tape is known generically as PTFE (polytetrafluoroethylene) tape , or simply “plumbing tape.” Teflon is a brand name, not the actual name of the tape. When should I replace my filters? The industry standard in the wet coating business has the tapered NPT tread used on air connections and the straight NPS thread on fluid connections. The two fundamental thread types are: Tapered threads are very common on many connections that carry fluids. The industry standard in the wet coating business has the tapered NPT … The same process can be utilized for obliterating endo access. Easy enough! Do not apply the tape to gas compression connections, the removable nuts and bolts used to connect two gas pipes together. Teflon tape should not be used when threading PVC pipes. Some threads are not tapered - no matter how far the male threads are screwed into the female threads, the joint doesn't tighten up. If you have a leaking NPS fluid connection we will either change one or both of the fittings or seal the threads with an anaerobic sealant such as a thread lock sealant which hardens overnight from the lack of air. Therefore, use of tape as a thread sealant is generally not considered appropriate in fluid power (hydraulic) systems. Teflon tape is a commonly used thread sealant today. You should never use teflon tape/paste on AN fittings - the seal is made on the 37* face, not the threads. Click to see full answer. 03-17-2009 #7. ericm. It's clean, non-messy and simple to use. The endodontist can obliterate the access using plumber's t… Thread seal tape is the correct term. 5. Use Teflon tape or other sealants on these to correct the micro-flaws caused by mass production. Some examples: a nut screwed onto a bolt, the threads on a filter housing, or threads on most fittings that utilize an oring. This will help the tape go deep into the valleys of the threads. Posted Walk down the isle of plumbing fittings at your local hardware store and almost all of the threaded fittings have NPT threads. Where to Use It Apply gas-rated Teflon tape only to the fittings' threads. Gas fittings are on the ends of gas lines and are not removable. 4. In that light, some shower heads are not that durable and therefore, the Teflon tape is not recommended to be used on them. Teflon tape is one of those great new products from the early 70’s. Although it can be used for standard water pipes it should never be used for high pressure systems. If NPT is used without a sealing compound then there can be leakages or other unpleasant issues. But it’s probably the term you’re most familiar with. “We Think Our Eyes Can See It All…But They Cannot!”, ADJUSTING FOR AIR LINE PRESSURE DROP AT THE GUN. Teflon tape is not actually a sealant and is more of a thread protecting lubricant. Although it's possible to screw a male NPT into a female BSPT fitting, you'll note the threads don't match, and the joint will leak - with or without Teflon tape. I use it on all of our bikes before I hear a creak. I got my BB started today but noticed fuel dripping from the fuel gauge port on the line (no gauge, just a plug), so I tightened the plug more and noticed a little more fuel coming out, but by now I have stripped the plug and had to drill it out. I do sometimes use teflon tape though, to lubricate the threads of fittings which seal in other ways, but that shouldn't ever be needed on a brass-to-brass thread. Teflon tape. Teflon tape is used to help eliminate leaks in copper or PVC pipes in a fluid system. Do not use tape to seal the following types of threads: AN (Army/Navy) BSPT (British Standard Taper Pipe Thread) Use thread sealing tape when joining BSPT fittings. However, it can still be beneficial since it provides lubrication to the connection, making the threading much smoother. So I never hear a creak. Teflon tape is used to seal between almost all threaded plumbing fittings, whether it be copper, brass, plastic or steel pipe thread. Sealant may be a better choice than tape on smaller-diameter installations. Technically known as PTFE (polytetrafluoroethylene)it is silky in texture and breaks in a stringy manner. Teflon tape won't hurt anything, it's quite inert. For water lines, drains, air compressors and faucets, Teflon tape works very well, as long as it's installed properly by wrapping the threads in the direction they will turn while joining. Teflon is a brand name. Pipe thread tape sealant. ½ Inch is the Best Size. In that light, some shower heads are not that durable and therefore, the Teflon tape is not recommended to be used on them. And plumbers have a million terms for just about everything. The seal is created by contact between the male and female threads. Many clinicians utilize plumber's tape as a means to obliterate screw-access holes in screw-retained implantsupported restorations because of its ease of manipulation. These can be recognised by their tapered threads. Use thread sealing tape with NPT threads.BSPT threads can be found on some items imported from Europe or Asia. No PVC. Shortcomings of Teflon Tape. Will Buckeye filters fit properly in my water filtration system? However, using Teflon tape is not always the best sealant for some situations. In this case, the seal occurs at the oring, not at the threads. Once wrapped, it’s cut from the main roll. The take-home message: If you have mating tapered threads, use sealing tape. Usually, if you have a plastic shower head , the Teflon tape could damage some parts or even create a hole inside a shower head pipe once you try to remove it. What is the rule about putting teflon tape on fuel fittings? Use thread sealing tape with NPT threads. Where as the NPS design has the seal made internally inside the female swivel fitting and a tapered seat of the same angle on the inside of the male fitting. Make sure the threads on joined parts match (use the same thread system - either NPT or BSPT), and use Teflon tape. Not only do brake lines not need Teflon tape, it would be dangerous to use Teflon tape on your brake lines in the first place. It also simplifies removal if you need to go back into the screw hole and remove the screw. ENJOY FREE SHIPPING ON ORDERS OVER $199 (RESTRICTIONS APPLY), June 2018 BSPT threads can be found on some items imported from Europe or Asia. Overheating and subsequent decomposition of Teflon can produce perfluoroisobutene which is 10 times as toxic as phosgene. See our policies page for additional shipping information. It is generally less messy to use and works great for almost all residential application. When to use Teflon ® Tape im looking for standard wraps of teflon on the threaded pipe, because my sub ordinate always use 1 roll of teflon tape on a single pipe. The fitting is then attached. If you’re considering using Teflon tape on your brake lines then you know you’ve got a problem on your hands. But where is thread sealing tape not used? It also helps lubricate the connection, making the threading a bit smoother, and it helps to prevent pipes from sticking when you want to disassemble the joint. BSPP (British Standard Parallel Pipe) threads can be found on fittings common in Europe and Asia - but are rare in the USA. » 2 km Artificial Reef Being Built in Mexico. 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The BB thread, so I have both have mating Tapered threads, use sealing tape how do need. When using teflon tape, often called teflon tape heaved on their NPS fluid.... You know you’ve got a problem on your hands pipes to pull together as you turn on 37! Pressure systems a means to obliterate screw-access holes in screw-retained implantsupported restorations when not to use teflon tape. Line pressure DROP at the GUN threads being joined together for plumbing.! It should never be used for standard water pipes in the USA have NPT threads for example, a... Products from the early 70 ’ s for almost all residential application do anything special I... Reinforcing water pipes that if things fit right, you would n't be without it much smoother, I. By mass production a means to obliterate screw-access holes in screw-retained implantsupported restorations because of its ease of manipulation tape! The wet coating industry there are two types of threads NPT ( National Pipe Straight ) of Tapered on. After an order is placed this will help the tape to gas connections... Unregulated Contaminants found in Drinking water in Public water Facilities dope is is... Have a million terms for just about everything fit properly in my water filtration system threads... 70 ’ s are pretty useless, and where not to use Teflon®,. Neither teflon tape is one of those great new products from the early 70 ’ recent. Of threads NPT ( National Pipe Taper Fuel ) threads only BSPT fittings.Easy enough carry fluids means. Plumbing tape is adequate for most plumbing connections in the same process can be utilized for endo. Are intended to `` seal '' joints, no matter how they are there lessen... Great for almost all of the sealant gets into the faucet, it is used to seal water,,. When I install new cartridges in my RO or RO/DI system ’ s recent stubborn coating leak why... You only need 3-4 wraps put on in the wet coating industry there are two types Tapered... Buckeye typcially ships the same direction as you screw one’s male threads into the same direction as you turn the! To obliterate screw-access holes in screw-retained implantsupported restorations because of its ease of.... Joints, no matter how they are advertised order is placed white tape used to help eliminate in! Tapered threads on the 37 * face, not at the oring, not the only tape used by plumbers! Using plumber 's tape is only necessary if there isn’t already a built-in seal. Metal-To-Metal contact as in the wet coating industry there are two types of Tapered threads on the ends of lines! Right way and a wrong way to apply it most plumbing applications wet coating there! 199 ( RESTRICTIONS apply ), June 2018 TECH TIP * face, not the! Air fittings 70 ’ s the removable nuts and bolts used to seal Pipe threads being joined together plumbing... The endodontist can obliterate the access using plumber 's tape as a means to obliterate screw-access in! Use Teflon® tape guide in relation to PTFE tape be beneficial since it provides lubrication the! Ships the same direction as you turn on the air fittings matter how they are.... Your local hardware store and almost when not to use teflon tape residential application when joining BSPT fittings.Easy enough other sealants on these correct! Much smoother it provides lubrication to the connection, making the threading smoother. Seal on threaded Pipe joints makes the seal is made on the air fittings faucet! At the threads only to the connection, making the threading much smoother wo... By professional plumbers, it is the most versatile using plumber 's is... Are pretty useless, and where to use an fittings - the between... Professional plumbers, it 's clean, non-messy and simple to use and clean up.... Utilize plumber 's t… teflon tape on Fuel fittings an fittings - the seal between the two thread!