Originally Posted by wonderplumb Nylon olives are OK, they cant be used within 1m of a HWS though. Copper olives were the go but because they are a little smaller (or thinner) than the nylon olives they can be a pain to seal and usually a few wraps of teflon fixes that.
Full Answer
Can I use brass olives on ng?
Brass olives are fine to use on NG but you must use copper olives with LPG. Brass olives on copper, especially on hot water systems where their expansion properties are better than copper olives. Copper olives on plastic as per manfacturers regs.
Are there nylon or copper olives available for compression fittings?
Hi, I have noticed that there are both nylon and copper olives available for compression fittings (plus the old rubber ones ). I was wondering what the merits of copper vs nylon was.
What are the best olives for compression joints?
The material of your olives that you choose for your compression joint can have a huge impact on the performance of that joint. The two most common materials are copper and brass olives. Brass is more resistant to corrosion, but copper has better thermal properties. This means copper will give a better seal when it is hot than brass would.
What kind of Olives to use for pipe cleaning?
Use nylon, be sure to anneal the pipe ends first so they bite. Nylon olives are OK, they cant be used within 1m of a HWS though. Copper olives were the go but because they are a little smaller (or thinner) than the nylon olives they can be a pain to seal and usually a few wraps of teflon fixes that.
Are nylon olives OK for hot water?
Nylon olives are OK, they cant be used within 1m of a HWS though. Copper olives were the go but because they are a little smaller (or thinner) than the nylon olives they can be a pain to seal and usually a few wraps of teflon fixes that.
Is it OK to use brass olives on copper pipe?
Copper olives are preferable to brass olives when using compression fittings with plastic pipe. I always use brass olives with copper pipes even if the fitting comes with copper olives.
What kind of olives do you use for plastic pipes?
Copper olives are preferable to brass olives. Ensure nut and olive are in place before inserting pipe insert.
Can I use brass olives on LPG?
Disadvantages of Brass Olives Brass olives are harder and less malleable than copper meaning it can be tougher to get a good seal, especially when working with softer materials like plastic. Note: Brass must not be used on LPG!
What do plumbers use to seal joints?
Pipe joint compound, also known as pipe dope, is a type of sealant used with any threaded pipe to help create a seal. 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.
Can you use brass olives on stainless steel pipe?
If you do try to use a brass fitting with stainless steel tubing, you will struggle to obtain a proper seal. This is because the brass isn't hard enough for the ferrule to bite into the stainless steel tube.
Do olives work on plastic pipe?
Olives are ideally suitable for use with compression joints and copper or plastic pipe. Supplied in either copper or brass the olive fits directly to the intended connecting end of the pipe. When compressed the olive forms an air and watertight seal that will hold the pipe securely within the grip of the joint.
Do you have to use inserts on plastic pipe?
The simple answer is yes, always use an insert when installing Speedfit pipes as it supports the shape of the pipe. We have two types of insert – the 'STS', or Superseal for plastic to plastic, and the 'TSM' for plastic to compression.
What is a plumbing Olive?
Olives, also known as ferrules, are used in compression fittings to help create a water tight seal. They sit on the pipe in between the compression nut and the main fitting body. Once the fitting is applied the olive is squeezed up against it, then the nut is brought down the pipe and screwed to the fitting.
Can you use compression fittings on LPG?
Inefficient joints will cause LPG to leak. To minimise the risk of this happening joints must be made with compression fittings. Soldered joints must not be used because of their low resistance to heat, such as that experienced in an initial fire.
Do you need sealant on gas compression fittings?
A compression fitting is the most commonly used joint when fitting out a boat gas system. They use an olive which is compressed to make the gas tight joint. If assembled correctly, ensure a perfect seal, which can be dismantled and re made. The addition of jointing compound, to ensure a seal, is totally unnecessary.
Do you use 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.
How do you put an olive on a copper pipe?
0:001:15Making a 15mm nut and olive compression joint on copper pipeYouTubeStart of suggested clipEnd of suggested clipWe don't want any marks scores or defects on the end of the pipe. And we slide on the nut onto theMoreWe don't want any marks scores or defects on the end of the pipe. And we slide on the nut onto the pipe followed by the olive. And we assemble the fitting just hand tight initially.
Are brass compression fittings reliable?
The answer is very simple; compression fittings are extremely reliable! These fittings are a safe choice because they are leakproof and can be used in many types of high-pressure situations.
What does an olive do in a radiator?
Olives, also known as ferrules, are used in compression fittings to help create a water tight seal.
Can you reuse copper olives?
Copper and brass olives both work fine. Olives can't be removed from a pipe and reused. Even hand tightening a fitting with an olive inside before the pipe is inserted, is enough to make the olive unusable. You can usually dismantle and remake a sound compression joints without ill effect.