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 Post subject: Fittings for PER
PostPosted: Sat Jan 30, 2016 10:54 am 
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Joined: Mon Feb 27, 2012 9:53 am
Posts: 98
Location: 16
Going to start connecting things up shortly, DHW/CH all in PER, I have a choice of three types of fittings Compression, Glissement and Sertipro, from the Nourrices all the pipes are 16mm, I would normally go for compression, however some plumbers suggest that the internal ferrule reduces the internal diameter too much, cost is not too much of an issue just want the safest and easiest route, its a new built, so access should not be a problem, only where the Nourrices all meet up. Thanks


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 Post subject: Re: Fittings for PER
PostPosted: Sat Jan 30, 2016 12:01 pm 
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Joined: Mon Feb 27, 2012 9:53 am
Posts: 98
Location: 16
Done a bit more homework and are now more confused, the nourrices seem to have imperial and metric sizes on them :-? can you please tell what I need, incoming, and returns all 20mm, departs all 16mm, do I just screw more of them together to get the correct number of departs, they only seem to go up to 6 and for the C/H I need 10. Thanks


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 Post subject: Re: Fittings for PER
PostPosted: Sat Jan 30, 2016 5:45 pm 
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Location: Was Plouasne 22830, now Ploeuc sur Lie 22150, France
First off, the "liners" of the fittings will not effect the flow of the water

Second screw the manifolds together to make up the required number of out-lets, use a fibre washer at the bottom of the female threads, and use PTFE tape on the threads, don't forget to "scuff up" the male threads a bit, so that the PTFE tape holds on the threads, instead of just "galling up" at the top end of the threads

Third just about all the pipe threads for plumbing fittings in France, are British Standard Parallel pipe threads, hence the Imperial size marking together with the Metric size markings

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