Brass or copper olives on plastic pipe

I can only seem to get brass olives in my area but I have been told that for plastic pipe you need to use copper olives for compression fittings. Brass Isolation valve to plastic pipepostsJul 2015COPPER OLIVES N BRASS OLIVESpostsAug 2011Making a good compression joint. Aug 2009Just had a compression joint blow off a plastic hose.

I'd prefer a compression with copper olives. Brass olives are very hard , I tend to not use them even on copper .

Plumbing - Plastic pipe for under floorboards? Brass olives on copper where there is likely to be strain or movement that could pull the . Copper olives are preferable to brass. Hi, I have noticed that there are both nylon and copper olives. Adding to that, the poor quality of available brassware that comes from overseas can work against you.

Use nylon, be sure to anneal the pipe ends first so they bite. Nov 20- Copper and brass olives both work fine. Plastic pipe can be joined with compression fittings, however it is important to use the correct brand . There are several common sizes of pipe, both copper and plastic.

A copper olive (copper coloured) will be softer and allow a little more tightning, a brass . Apr 20- You are using pipe inserts in the plastic pipe, the fittings are normally grip seal. Also you should use copper olives NOT brass as it's to hard . Olives for compression fittings can be bought as copper or brass. I have always seen brass pipe for fuel or grease, copper for water or gas.