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If it is a pressure pipe, you would reduce the plastic down to the copper pipes size with reducer fittings and then use one to go to copper. If a waste line and the difference is not too great, you can use a rubber coupling that is the right size on each end and held on with hose clamps.
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∙ 12y ago
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How do you join a smaller Copper pipe to a larger plastic pipe?
all hardware stores sell adaptors to change from copper to plastic. You solder the adaptor to the copper pipe and attach the plastic pipe to this adaptor using screw clamps to tighten the plastic pipe on the adaptor. To be honest. This answer seems like a bush plumbers answer. To be technically correct. In order for you to connect plastic piping to copper piping one fitting is used and it is called a conex fitting, otherwise called cxc fitting. It has a nut and ring on either side of the joint and this type of fitting can be used on either copper or plastic making it ideal. As you tighten the nut the ring inside tightens onto either the plastic or copper making a water tight connection. It is said above that soldering a copper joint and then attaching it to the plastic pipe is the way but in my experience if you try do that, the heat from the soldering will melt the plastic pipe. Take the safer route and more professional route and use conex fittings.
How do you join a metal to plastic?
melt the plastic to the metal
How do you join plastic?
With a plastic joiner
Can you join copper to brass?
Yes, quite easily
What is the best way to join copper pipes?
soilder
What fitting is required to join copper with galvanized pipe?
A threaded copper fitting on the copper side, male or female, and the galvanized is screwed into it.
How do you join plastic to metal?
you can melt them together
How do you join plastic to plastic?
Normally you will solder it or you can use hammers and nails or even screws.
What is a pipe fitting that join a smaller to a larger pipe what is it called?
You would have to get the larger sizes cuppler with a reducer to the smaller size and then join it together
How does copper and sulfur join to form copper sulphate?
Copper sulfate (CuSO4) is not a binary compound of copper and sulfur but a compound of copper, sulfur, and oxygen. It can be made by electrolysis of copper with sulfuric acid: Cu + H2SO4 --> CuSO4 + H2
What does CXC mean in plumbing terms?
When it comes to a plumbing fitting, description CxC means the fitting is Copper by Copper, or the fitting is used to join two pieces of copper
What takes place during a nuclear fusion reaction?
The nuclei of two atoms of a smaller element join together to form a different element, releasing large amounts of energy.
