Discuss Rippled bend in copper pipe in the Plumbing Jobs | The Job-board area at PlumbersForums.net

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I have two of the old Hilmor stand benders & use them for nearly all bending. One is up to 1 1/4" & has adjustable lever tightness. They never ripple or dent the pipe, unless I make a mistake or haven't noticed a tiny dent on the pipe just where the inside of the bend is to be. I do have a Record hand bender (does 15 & 22mm) & I use it on small jobs for 15mm mainly. It bends perfectly also.
 
iV'E GOT A 42MM ONE bEST BUT I'V ONLY USED IT ON THE ONE JOB YEARS AGO AND I'VE LOST THE GUIDE. lOOK UP THE PRICE OF THOSE BAD BOYS.
Caps lock on there and can't be rsed typing it out again :smile:
 
I use a piece of flattened 15mm in my Rothenbergers and just started rippling again. Spiraling slice, rippling bender and running out of gas can really get to you on a friday afternoon!
 
Its called throating.
Can happen with worn out benders or where the copper tube diameter is slightly different to the guide diameter and as you pull the bend that is the result.
A bit wd40 can help prior to pulling the bend
 
I don't like seeing it myself and I would of done it again but that's just me.

Tell your plumber to clean his bender as since I last scrubbed the guides and greased up the wheels it hasn't rippled once.
 
I never had ripples with my hilmor which i used for 19years, Last year i bought a new floor standing bender for 28mm from a company called bend it now, they gave me a free hand bender for 15 n 22mm and its garbage as the amounbt of ripples i get and the guides are clean n greased, im gonna get myself another hilmor as they never miss a beat,,
 
+1.
My hilmoor is spot on and a similar experience with a cheapo.
Rippled everytime.

Hilmoor guides nice and machined.
Cheapo guides poor quality sand cast
 
Thanks guys, I appreciate the responses - puts my mind at rest! I don't mind it cosmetically as it's going to be under floorboards - I just wanted to have peace of mind that it wasn't going to cause issues in the future as I'm a complete novice at this kind of thing.
 
Gas safe guy noticed a rippled bend on a gas carcass (not installed by me) on my first personal inspection. I was sent to commission some boilers for a company and he included the rippled pipe in his report to the company along with other defects to be rectified.
 
I never had ripples with my hilmor which i used for 19years, Last year i bought a new floor standing bender for 28mm from a company called bend it now, they gave me a free hand bender for 15 n 22mm and its garbage as the amounbt of ripples i get and the guides are clean n greased, im gonna get myself another hilmor as they never miss a beat,,

a new himor will be as bad but probably worse than the bend it now one, bend it now made himor's benders when they were made in the uk, hilmor have shipped production to china with what seems to be lower tollerances from what ive seen.

what you want to get is a old version record or himor bender from ebay or a car boot and if needed buy some new guides.

i have had a few brand new (used once or twice) old style record benders off ebay over the last few years and i have never had a ripple on them. I brought a china hilmor and took it back, i "was given" a china made record (smae as himor apart from colour) and it rippled 50% of the time.

cleaning is needed with all to aid the surfaces moving. if you need a hacksaw blade i would just buy a 6" steel rule from screwfix, its cheaper, better and can be used on waste nuts.
 
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Let me put it this way. I had problems with pipe rippling. Changed to this pipe bender and have never had rippling problems since. A quality pipe bender made in the UK makes a huge difference. Most of the ones made by the big brands are now made in China and the quality is rubbish. Like most things these days!
 
Thanks for all the responses guys, sounds like it's just cosmetic and won't cause any long term issues!
 
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