Full Answer
What type of jointing compound to use on copper pipe?
As KOP has mentioned, you should use the right jointing compound which is suitable for potable water. I heated that the jointing compound will fill the microscopic scratches on the copper pipe which makes then a good seal. Compression joints on heating systems are subject to positive and negative pressures.
Do I need to smear jointing compound on compression nuts?
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. The other expert said compound wasn't needed.
What is the best way to seal a compression fitting?
When using these, or any compression fitting I guess, what is the best option to ensure a leak free job. Do you prefer a sealing compound such as Boss White or PTFE tape, both applied to the olive and not to the threaded section or cap nut
Do I need to paste compression joints?
That would therefore mean that not using paste could also allow air to be drawn in, given the fact that compression joints not pasted are always a gamble. My thinking is the olive and fitting are still a near bare metal to metal contact when tight and the paste just provides a fine seal for any imperfections.
How do you seal compression fittings?
1:006:39FIX LEAKING COMPRESSION PIPE FITTING - Plumbing Tips - YouTubeYouTubeStart of suggested clipEnd of suggested clipThose two tapers work on that olive. And compress it onto the part to create a watertight seal.MoreThose two tapers work on that olive. And compress it onto the part to create a watertight seal.
What do you put on compression fittings?
0:372:35Tommy's Trade Secrets - How to do Compression Fittings - YouTubeYouTubeStart of suggested clipEnd of suggested clipAlways put on the pipe never put it inside the feed. When you push the pipe in compound get pushedMoreAlways put on the pipe never put it inside the feed. When you push the pipe in compound get pushed into the elbow might restrict the pipe. That's one time out anti. Same the other.
Do compression fittings need jointing compound?
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.
Do you use pipe sealant on compression fittings?
0:363:48When to Use Sealants on Threaded Plumbing Connections - YouTubeYouTubeStart of suggested clipEnd of suggested clipYeah. The best way to apply this is to hold the work in your left hand and.MoreYeah. The best way to apply this is to hold the work in your left hand and.
Should you use PTFE on compression joints?
Can I Use PTFE Tape on Compression Fittings? No. PTFE tape is not designed to seal compression fittings and is ineffective at doing so.
Why does my compression fitting keep leaking?
Over tightening a compression fitting can also cause the fitting to leak. When tightening up the compression fitting, only turn your tool until you feel resistance. From there, you shouldn't turn it anymore than a half a turn. By doing this, you can ensure you'll prevent your compression fitting from leaking.
How tight should you tighten a compression fitting?
Hold the compression fitting body tightly with a pair of grips and tighten the nut with a spanner. Its often said in the trade to not over tighten a compression fitting, leaving you more thread in the case of a leak and not distorting the olive or fitting. Generally a nut will need one whole turn after hand tightening.
Do you need to solder compression fitting?
Compression fittings don't require any special tools or specific skills to operate. Compression can be used in situations where a heat source, particularly a soldering torch is banned. Compression fittings are most ideal in situations where tubes made up of dissimilar materials need to be joined.
Where do you put PTFE tape on compression fittings?
0:495:24Where to use PTFE tape - YouTubeYouTubeStart of suggested clipEnd of suggested clipOne place where you will definitely need PTFE tip is on a BSP thread like that that is a taperedMoreOne place where you will definitely need PTFE tip is on a BSP thread like that that is a tapered thread. And that is half-inch bsp that is a really heir to tale.
Do you use Teflon tape on compression?
Also, do not use too much Teflon tape as this could be counterproductive and prevent the joint from sealing properly and/or causing the tape to gum up. DO NOT use Teflon tape under the compression nut or on flare threads of brass compression fittings (or a compression fitting of any other material)!
Do I need to use Teflon tape on compression fittings?
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 brass compression fittings?
Many people recommend using a combination of Teflon tape and a silicone-based joint compound on threaded brass fittings to ensure the joint is completely leak free.
Should you use Teflon tape on gas compression fittings?
If you are connecting gas lines and their fittings to an outdoor grill or inside stove, you should make sure to use the right Teflon tape. There is Teflon tape made to seal the threads on gas fittings and to prevent leaks in those connections.
Do you use tape on gas compression fittings?
When connecting gas pipelines and their fittings to a stove, grill or other connection, it is important to use Teflon tape designed for gas connections and not Teflon tape designed for water pipes. Teflon tape seals the gas fittings' threads and keeps leaks from developing.
Where are compression fittings made?
Now compression fitting components are made in china and copper pipe in various countries = Quality is pants
Do you use jointing compound on compression fittings?
I know some people use joint ing compound on their compression fittings, whereas others don't bother at all. However, for the sake of £5 a tub or tube (of whatever I choose to get), it sounds like a good insurance policy to me.
Can I use Fernox Hawk White on compression fittings?
I always use a smear of Fernox Hawk White on compression fittings, and in the two places A_L suggests - over the olive (I'll usually give a tiny smear on the pipe, too, (although not really needed, this will take care of any surface scratches that could be on the pipe) and then slip the olive back over this, wiping the rest over the olive), and then on the male thread.
Should you use PTFE tape on compression fittings?
Can I Use PTFE Tape on Compression Fittings? No. PTFE tape is not designed to seal compression fittings and is ineffective at doing so.
Do you use pipe thread sealant on compression fittings?
"Should I use PTFE thread sealing tape or pipe joint compound on my compression threads?" A. No, you definitely should not. 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.
Do compression fittings have gaskets?
A compression fitting compresses a component of the fitting into another component, usually some type of tubing, to create a watertight seal between two different lines. ... The sleeve acts as the seal when the nut compresses it into the fitting body.
How much turn after finger tightening compression fitting?
I'd say this is a great summary. There is a certain "feel" to a properly tightened compression fitting, which is approximated by 1/2 turn after finger tight, but I would think the pros (I'm not one) have "the touch" which allows them to properly tighten these fittings leak-free most of the time.
Can I use pipe dope on threads?
i use pipe dope on the threads only myself ,,and dont feel bad,,no such thing as a stupid question!
Is tape needed for ferrules?
You're ok. In theory, NOTHING is needed. Tape is a bad idea, because it can interfere with the necessary metal to metal seal of the ferrule, and on the threads could interfere with proper tightening.#N#A little lubrication on both the ferrule and threads will ease assembly but more importantly, will make future disassembly much easier. Light oil is ok. I often have used plumbers faucet grease, or white teflon paste, which is non-setting. Do not use conventional grey or black dope, which will set up.
Can Teflon tape be used on parallel threads?
Imperceptible to the naked eye, but in some cases enough to eventually cause the compression nut to split and result in a leak.
Can teflon cause leaks?
I've been using teflon past or pipe compound on them since the 60s, hooking them up dry can cause a leak.
Can oil tighten a female socket?
This may set up stresses that result in a failure (splitting/cracking) of the female socket end (into which you insert the pipe) of the fitting or valve. This can especially be the case with products that are made from cheap brass or have less than desirable wall thickness.
Can a plumber know if a toilet tank is snugged?
Novices will also crank down so hard on a toilet tank that they split it too; again, a plumber will know when it's been "snugged" down.
How many wraps of PTFe?
Pressure gauge threads about 10 wraps of ptfe, smear of paste and in it goes.
Can you undid flexi connector?
For the flexi under loo connector I undid it and the olive wasn't even gripping the copper pipe. Dried it off, put some paste on and then did it up properly - no drips.
Can you use PTFE tape on compression fittings?
I was taught PTFE tape on threads i.e. rad tails & jointing compound on olives on existing compression joints when cracking open & then refitting but its what works best for you. I find ptfe tape on compression fittings looks unprofessional while excess jointing paste can be wiped off when joint has been made. Jet-lube is a little expensive but is worth the peace of mind.
Can you do a pressure test on braces?
To do a pressure test would be difficult. Its belt and braces and I think some manufacturers advocate certain sealants.
Can you use a full bore valve in a kitchen cupboard?
Use the full bore valves if you must, but make sure its not in a most visited location (kitchen cupboard wiv pots & plates) as her in there will 'knock' it to off position then moan that there is no water in da haws???
Does jointing compound hurt?
A quick wipe of jointing compound doesn't hurt , especially with chrome fittings.
Can you use jointing compound on compression fittings?
No jointing compound should be used on a compression fitting. The male and female tapered faces should not have anything between them, otherwise the seal is assisted and compromised by foreign and unnecessary material. You need to remove anything which prevents the faces mating. Like the excessive stub below the olive, the sealing compound, the tape, cement, chewing gum or any other rediculous botch you may have at hand. Just make sure you do not have excess stub below the olive and the tapers will mate and seal. Simple.
