- Thread starter dobbslc
- Start date
15mm or 22mm copper, either way there are shed loads of you-tube videos on how to make multiple bends in pipework accurately although using a pipe bender, there is a bit of experience required.
Another way is simply using end feed or solder ring fittings.
Another way is simply using end feed or solder ring fittings.
JOEPRO
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In the past I have used a sharpie marker to make marks on my pipe bender. And transfered these marks onto a scrap section of pipe I already bent.
So then you can offer up the pre bent corner and measure to your marker points. Then measure the new pipe and mark where the new bend should start and align this mark to the ones you made on your bender and bobs your teapot worked best for me as occasional DIY plumber.
So then you can offer up the pre bent corner and measure to your marker points. Then measure the new pipe and mark where the new bend should start and align this mark to the ones you made on your bender and bobs your teapot worked best for me as occasional DIY plumber.
Agroshield
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Do a practice piece and mark the pipe where it touches the former and where the angular pull reaches. Measure the result and back calculate from there. Do a second test piece to verify.
waddycall
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If it’s an offset you want, pull the first bend to the angle you think is needed . Flip the pipe round in the bender then use a straight edge in line with the back of the length of tube before the bend, and measure the offset to the back of the guide/radiused part of the bender. Slide the pipe in and out until it’s right then pull the bend parallel to the start of the offset
gaz1
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stop being so critical with your bends theres no sure fire way of bending copper tube to exact everytime unless your bending elsewhere to design
sharp bends its use solder elbows long bend use a bender or spring bender the bending machine being the better option
sharp bends its use solder elbows long bend use a bender or spring bender the bending machine being the better option
And if a tank fed system, avoid bends in pipe work as much as possible, mains pressure don't matter so much.
8ob
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I'm doing some more pipework on my ensuite this weekend but I'm struggling to make a set in a pipe to the exact measurements in want, is there a surefire way to get this done with repeated accuracy?
Really simple, you dont need to mark guides or formers to get accurate repeatability and its very straight forward. nothing looks worse than a load of sets that dont match, makes me feel ill looking at it. Work the tube end to centers and center to center, if I get five minutes later on I will do you a little demo failing that it will be tomorrow. So stupidly simple I dont know how so many plumbers/pipefitters get into such a mess with it.
Bob
addjunkie
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Thats more or less how I do it, so your only ever measuring straight lines.
Or go all plastic pipe and stop worrying about it!
but it's nearly done...
dobbslc
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brightspark
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and make sure you are well insured in case the joints leak also plastic looks krap and you cant do much with it . looks a mess
Smallfry
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Agree. Joints too bulky and look sh*te, and I am not at all convinced they will last the claimed 50 years. How can they replicate time AND all sorts of usages.
In our underground utility, there is an exposed run of PB pipe, about 8 metres long from the hot water tank. When it is cold, it sits straight, but when hot, it snakes really badly, depite being clipped every 18 inches or so. My concern is that the seals will fail, or the pipe fatigue fracture.
Imagine the hassle if that happened in an enclosed space.
Onoff
In the land of the unfinished project I am King!
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That's what I did with the 2 lengths of 25mm galv conduit coming down the wall in my second photo though that was more for mechanical protection.
