In this instance we recommend the joint is made first, dis-assembled, the jointing compound applied, then the joint is re-made as this will prevent the . When using compression should I be using PTFE. Use of PTFE tape, plus a thin coat of plumber's jointing compound, will ensure a nice tight seal and prevent leaks. Teflon paste or Megaloc on small gas piping. i do use dope on compression fittings but only on the threads as a lubricant. I started using dope on the compression fittings and I cannot remember the last time I had a leaky joint. Should I use jointing compound on compression fittings? X-pando on large piping (ie boilers). Joints can weep microscopically without paste. The male and female tapered faces should not have anything between them, otherwise the seal is assisted and compromised by foreign and unnecessary material. P103 Read label before use.P102 Keep out of reach of children.P101 If medical advice is needed, have product container or label at hand. Secondly, should I use jointing compound on compression fittings? Because of this PTFE tape is usually used when becoming faucets and radiators. Hawk White is a pipe jointing compound for use in general applications. Bath. Plastic plumbing line should never really need Teflon Tape, yet rarely, it might help, if used on the right connection type of plastic following the . There may be a need to apply jointing compound to fittings used on gas systems. Then use a pipe cutter to remove the leaking section. PTFE tape should be used on taper thread fittings (the tails that screw in to the radiator). See THIS PAGE on the Calormarine website for instructions on using compression fittings. You should not use PTFE tape on the fittings as it is not needed, just tighten them by hand then tighten one flat with the spanner. Pipe joint compound, also known as pipe dope, is a type of sealant used with any threaded pipe to help create a seal. I use teflon tape on plastic pipe fittings. Answered 3rd Jan 2012. Teflon tape will also prevent your brass pipes from sticking, should you ever need to disassemble a joint. Should I use jointing compound on compression fittings? Should you use PTFE on compression joints? Should you use PTFE on compression joints? Parallel threaded joints should tighten down onto a joint washer. it does nothing for sealing up the joint, it just lets you crank it down easier without the metals seizing up. Thread sealants such as joint compound (pipe dope or thread seal tape such as PTFE tape) are unnecessary on compression fitting threads, as it is not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe. Finally, a sealing compound must not lubricate the joint to the point that over-tightening is encouraged. Slide the ring down to the compression seat and apply pipe thread compound. One of them advised me to smear jointing compound (Boss White) on the olives at either end of the fitting before fitting and tightening the compression nuts. 230 months. Teflon with Pro dope on copper to metal fittings. So is a good quality anaerobic pipethread sealant ("pipe dope")- and it's a better choice for large pipe fittings. Answered 3rd Jan 2012. In instances where two pipes made of dissimilar materials are to be joined (most commonly PVC and copper), the fittings will be made of one or more compatible materials appropriate for the connection.Compression fittings for attaching tubing (piping) commonly have . For gasoline, regular old gasoline resistant Aviation Form-a-gasket Number 3 is the best option. Thread sealants such as joint compound (pipe dope or thread seal tape such as PTFE tape) are unnecessary on compression fitting threads, as it is not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe. Thread sealants such as joint compound (pipe dope or thread seal tape such as PTFE tape) are unnecessary on compression fitting threads, as it is not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe. A compression fitting is the most commonly used joint when fitting out a boat gas system. Manufacturer Guarantee: 1 Year Guarantee: Pack Size: 1: Pieces in Pack/Case: 1: Product Type: Jointing Compound: Volume: 400 g Many brands of pipe sealants contain oils, solvents or carriers that can damage PVC. I am replacing all my compression fittings in my bathrooms and in my kitchen after a really long remodel and I am honestly so seriously confused about whether I should have put the pipe compound I put on the threads of my compression fittings. Another product also offered by Permatex is the High Temperature Thread Sealant. I used a jointing compound/mastic on the course thread of the couplers that screw on to the pipe connectors and have compression fittings on the other end. You do not need jointing compound on compression fittings. The addition of jointing compound, to ensure a seal, is totally unnecessary. Flange= ferral, male side = Compression fitting. Do use the same Schedule threaded fittings with the same Schedule pipe and fittings. Never PTFE on any compression joint, before, after or over the olive! I say you should always use paste and the cheaper fittings especially. How do you use fernox jointing compound?, To use pipe-joint compound, apply an even coating onto the end of a threaded pipe, using either the applicator brush or a finger. Thread sealants such as joint compound (pipe dope or thread seal tape such as PTFE tape) are unnecessary on compression fitting threads, as it is not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe. Regardless, it is a very simple product to use and we will outline exactly how it should be applied on your brass fittings. Joint compound and thread seal tape are not necessary on compression fitting threads as they are not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe. Slide the nut to the fitting and hand tighten clockwise. Not what you want! Thread sealants such as joint compound (pipe dope or thread seal tape such as PTFE tape) are unnecessary on compression fitting threads, as it is not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe. You should also anchor or support the tubing within two feet of either side of the fitting. Definitely not tape. Materials: wire wool; jointing compound; Tools: Two - spanners of suitable size OR adjustable spanners OR Stilsons ; With all the pieces of pipes cut to length, the ends of each pipe (to a length of about 25mm (1 inch)) need to be cleaned back to bright metal using a piece of steel wool. You can use PTFE tape anywhere there is a compression joint between two sections of pipe. Compression Fittings - PlumbingSupply.com JavaScript seems to be disabled in your browser. Like 1. there is no need for pipe dope on flare fitting either,check the flare and or the fitting for burr's and retighten. Consisting of a mixture of substances, including kaolin clay, vegetable oil, rosin, and ethanol, pipe joint compound serves as both a lubricant and a sealant for threaded joints. This is why PTFE tape is commonly used when fitting taps and radiators. no sealants are needed as all the sealing is done by the sleeves, not the threads. A compression fitting is a fitting used in plumbing and electrical conduit systems to join two tubes or thin-walled pipes together. 1" male iron fittings to 22 or 28mm . "Use a little jointing compound on your compression joints, it takes a few seconds longer, but it gives you additional peace of mind!" "In high-traffic areas, use solder - they're tidier, longer-lasting and flexible!" "If you are unsure, just use the olive that came with the fitting!" Joint compound and thread seal tape should not essential on compression becoming threads as they don't seem to be the thread that seals the joint however quite the compression of the ferrule between the nut and pipe. pipe dope or teflon on flare fittings. Both sides (they are two by two under each sink) seem to have leaked one or two drops of water over night. Should you use jointing compound on compression fittings? When it comes to plumbing it is always good advice to listen to emergency plumbers, especially when it comes to PTFE and compression fittings. Don't use Schedule 80 threaded fittings in a Schedule 40 System. Hi,use ptfe tape on threads of fittings then tighten up finger tight, then tighten with shift spanner holding the other side with spanner or water pumps give them a good tighten, all should be good, best wishes colin. In this manner, is it OK to use compression fittings on central heating? Compression fittings are often rarely changed or disconnected, yet are used in places of disconnect and re-connections without the Teflon or thread treatment needed if done right, nor recommended. If this becomes impossible then paste will still do the trick. This is why PTFE tape is commonly used when fitting taps and radiators. No jointing compound should be used on a compression fitting. If assembled correctly, ensure a perfect seal, which can be dismantled and re made. Teflon tape is widely used on pipe threads in a variety of applications. The sealing compound must be compatible to all materials and media to which the joint will be exposed. Use of PTFE tape, plus a skinny coat of plumber's jointing compound, will guarantee a pleasant tight seal and forestall leaks. Thread sealants such as joint compound (pipe dope or thread seal tape such as PTFE tape) are unnecessary on compression fitting threads, as it is not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe. Learn if you should use them on brass fittings in our latest blog post. Fine folks, this is the first post for me here and I'm sincerely sorry it is so stupid and also that it is requesting real time help. 13512. I followed the instructions carefully, cut the 1/2" copper pipe using a pipe cutter, sanded the. . The bolts have to be tightened evenly. Thread sealants such as joint compound (pipe dope or thread seal tape such as PTFE tape) are unnecessary on compression fitting threads, as it is not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe. The bolts need to be tightened. In this instance we recommend the joint is made first, dis-assembled, the jointing compound applied, then the joint is re-made as this will prevent the . teflon is a no-no on flare fittings and gas systems in general ! . On NEW compression fittings, PTFE tape is NOT REQUIRED although there are many people that still use it as an added layer of protection against leaks. Should you use Teflon tape on compression fittings? Compression fittings are designed to mechanically form a joint between the fitting and the pipe. Gives me the warm fuzzies too. The bolts have to be tightened evenly. How to fit a compression fitting joining two pieces of pipe together, showing how tight to do it up and what jointing paste to use. Saved you money on a plum. Thread sealants such as joint compound (pipe dope or thread seal tape such as PTFE tape) are unnecessary on compression fitting threads, as it is not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe. don't use tape. It's demoralising when you . A side-view showing how the compression nut forms a seal by squeezing the ferrule to the pipe. Compression fittings can used on a wide . Should You Use Teflon Tape On Compression Fittings? Should I use Teflon tape on shower head? Just remember that on compression and flared fittings the threads are NOT what causes the gas/water tight seal. Teflon tape is widely used on pipe threads in a variety of applications. if it needs tape to not leak then either the pipe or ferule are damaged. Compound or tape provide lubrication to the threads and can help prevent leaks, but valve manufacturers often do not specify using compound or tape with their compression fittings. 2012-01-03T11:30:01+00:00. i think you'll be fine. Q. Thread sealants such as joint compound (pipe dope or thread seal tape such as PTFE tape) are unnecessary on compression fitting threads, as it is not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe. If you have the new thicker tape then 3 turns will be fine however if you have the usual thinner tape at least 8 turns and to be absolutely sure use a jointing compound as well. Country: In the pub the other evening, I mentioned to 2 'DIY experts' that I needed to replace a gate valve on my heating system. Using compression connectors with copper pipes . Most plumbers will recommend using the PTFE tape and jointing compound on any new heating installation. Consisting of a mixture of substances, including kaolin, clay, vegetable oil, rosin and ethanol, pipe - joint compound serves as both a lubricant and a sealant for threaded joints . Good luck. DO NOT USE teflon tape or pipe joint compound on any compression fitting. There may be a need to apply jointing compound to fittings used on gas systems. We do not advise the use of any jointing compound on a standard compression fitting used on water supply systems. Tech data on this sealant says it has medium solvent resistance and is recommended for fuel sender type applications. [report] [news] Saturday 21st January 2017. Several sealants on the market meet all these requirements. "Should I use PTFE thread sealing tape or pipe joint compound on my compression threads?" A. Teflon with (Hercules)pipe joint compound on brass to brass. Re: pipe joint compound & compression fittings; Author: LemonPlumber (FL) I believe brass craft,One of the larger suppliers of stop type valves .Recommends you do not use pipe dope ,But rather wrap the ferrol with 2 wraps of teflon tape on softer materials.Good Luck.Pipe end insert should be used on poly. Many, but not all, compression fittings are suitable for use with plastic fittings and pipe.The connection should not need more than 2 full turns after the olive has gripped the pipe.Copper olives are preferable to brass olives. Compression fittings should not use either. paul. Then, thread the pipe into the fitting, making sure to avoid cross threading that might damage the threads. Learn if you should use them on brass fittings in our latest blog post. Calor say use copper olives not brass ones. On a good day it could be 50 or 60 fittings. The one tell tale sign of either a builder or a DIY plumber for when it comes to plumbing, when it comes to requiring an emergency plumber, due to a job incorrectly done from someone who is not qualified or . With old fittings, PTFE tape is needed to help seal the joint but the key thing here is not whether PTFE tape should or should not be used, it is how the PTFE tape is applied, especially on cheap . Another agent that people might be tempted to use on the threads is pipe joint compound of one sort or another, also called, in the trade, pipe dope. I also use a very light coat of dope on the sealing faces of the ground joint unions on the compressed air lines and, with dope applied, I never have to worry about leaks. On sleeved tubing compression fittings and neoprene gasketed fittings (like for faucets, toilets etc.) It is suitable for Natural Gas, non potable water, steam, air (excluding medical lines) brine, alcohol and L.P. Then use a pipe cutter to remove the leaking section. Purchase a set of cheap tubing cutters from the hardware store and use them. No, you definitely should not. SteveInCleveland | Oct 06, 2004 03:57pm | #2 You wouldn't want to use teflon of pipe joint compound on a compression fitting as one or both could easily impede a proper seal. Flowflex compression fittings are manufactured in the UK to the BS EN 1254-2:1998 Standard. Likewise, should I use jointing compound on compression fittings? 2012-01-03T11:30:01+00:00. Use jointing compound too The combination of the PTFE and the compound really helps to enable that the joints will not leak. Something like hawk white. Just like anything, there is a wrong and right way to apply Teflon tape. It won't affect the integrity of the joints. The olive is the part that provides the seal. IPS threads make their seal along the threads themselves; when a piece of IPS-threaded pipe is screwed into a fitting . Jul 13, 2009. It is ideal for use on pipe diameters up to 25mm and with reinforcement fibre on pipework over 25mm. When tightening put a wrench on the compression fitting for backing while tightening the compression nut. The use of the pipe dope on ferrules and mating . Drinking water safe fittings are gaining in popularity, Let PlumbingSupply.com® be your source for these and many other potable/drinking water products. Use pipe joint compound (or Teflon plumber's tape) to make sure the seal is watertight. Her courage will change the world. This is a big mistake. We do not advise the use of any jointing compound on a standard compression fitting used on water supply systems. . Leak lock on refrigerent or oil piping. Should I use jointing compound on compression fittings? Grip on gas lines over 3/4". They use an olive which is compressed to make the gas tight joint. The Teflon tape will actually prevent the compression nut from tightening the ferrule up inside the fitting all the way and cause a leak. Without fail, I use jointing compound on all compression fittings. PTFE tape and pipe joint compound (also known as "pipe dope") should only be used on "IPS" ("iron pipe size") threads, which are normal pipe threads. When tightening the nut, you are compressing the olive onto the tube, creating a permanent seal. Thread sealants such as joint compound (pipe dope or thread seal tape such as PTFE tape) are unnecessary on compression fitting threads, as it is not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe. You can use PTFE tape wherever there's a compression joint between two sections of pipe. 0. oil-2-4-6-gas Member Posts: 641. On compression it is the ferrule and on the flared fitting it is the mating surfaces themselves. it will break down and get stuck in the gas vavle or appliance reg. You need to remove anything which prevents the faces mating. A jointing compound can be used instead. Mind you, I use a very light coat, hardly visible. The other expert said compound wasn't needed. Screw part=compression nut. There is a special grade of tape for gas. On larger pipes, say 1" and larger, they often use tape on the male threads and a bit of joint compound on the female threads. Thread sealants such as joint compound (pipe dope or thread seal tape such as PTFE tape) are unnecessary on compression fitting threads, as it is not the thread that seals the joint but rather the compression of the ferrule between the nut and pipe. 23 September 2021 at 10:34PM. Likewise, should I use PTFE tape on compression fittings? I installed 4 shut-off valves under two sinks yesterday using compression fitting valves. Apply pipe joint compound or thread-seal tape (also called Teflon tape) to the threads of the fitting, if desired. Use jointing compound too The . You can use PTFE tape anywhere there is a compression joint between two sections of pipe. Whoa not so fast, it should be pointed out that joints in the wall are a bad idea and any concealed plumbing should ideally be soldered and tested before being concealed. Thin smear of jointing compound on the fitting side of the pipe and that's that. Also, Should I use Teflon tape on a compression fitting? Hold the fitting with one wrench and with another wrench . Another advantage of paste is it lubricates the joint allowing it to be compressed much easier and without squeal - that alone . Pipe Joint Compound. Use of PTFE tape, plus a thin coat of plumber's jointing compound, will ensure a nice tight seal and prevent leaks. Any MIs stating jointing compounds not needed are wrong. Old fittings should have the olive replaced and remade. A pipe joint compound, also called pipe glue, pipe dope, or PVC glue, is a putty-like adhesive that can be white or clear.Typically, it's applied to the thread end or pipes and fittings and on the inside of the connection piece, so it provides a seal that is airtight. Pipe joint compound, also known as pipe dope, is a type of sealant used with any threaded pipe to help create a seal. The bolts have to be tightened.
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