Machines | Pipe bender | bend copper pipe

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1. how to de-bend
2. The overall length should grow by "(pi/2)*d' rather than "d", mentioned in the video, after a 90deg bend, isn't it? So for 15 dia pipe will grow (3.14/2)*15=23.55mm or 11.78mm from both ends. For 22 dia will grow 34.55mm or 17.28mm from both ends. Does my calculation correct?
3. good
4. Hi, those pipes that you are bending, is that the hard types or the soft type. Can you bend a coil in this bender? Im going to use a coil for a heatexchanger for a hottub.
5. What radius does the tube have after the bend?
6. can you bend copper tube 180 degrees?
7. You dose not know what doing, don't you
8. Here in canada we have benders for bending conduit ,emt as its called here ,its thin walled about the same as your copper pipe ,we have a 4ft long piece of 3/4 steam pipe screwed into the actual "U" shaped pipe form with a hook on it to hold the pipe in position lay the pipe on the floor stand the bender handle in place and bend to you desired angle all the way to90 degrees you can bend up 1.25 " by hand .Any size above that we use hydraulic benders ,and for very heavy duty electrical installations we use a conduit 4" in diameter and is the same gauge as steam pipe a d is. Ent with a hydralic bender ,it bends the 4" pipe like a wet noodle , google emt bending take a look
9. neat!!
10. Great video! I've bought the same pipe bender which arrived today and I cannot move the arms at all. HELP please!
11. Great instructions - many thanks. A novice at this but with your instructions all is going well! Trying to bend 180 degree ie 'u' shape but each time it causes a pinch in the pipe just before I reach the final angle - is it possible to avoid this somehow?
12. Can anyone help me by explaining or directing me to information about bending copper using the kind of benders that HVAC/R guys use? You know, the ones made by refco and imperial etc. I want to know how to mark out bends accurately for runs and where/how to measure for multiple bends on a length of pipe. No one has taught me and i need to know.
    
    THankyou
13. This is brilliant i have exactly the same bender and used it once 10 years ago..now need to make a shower riser (long story) and couldnt remember how it works...your tutorial is very clear and concise so thank you it will save me hours of head scratching..cheers!
14. Will it bend normal metal pipe
15. Can't be using the ruler like that out on a job though, it takes forever! Gotta just trust your eyes. I'd never bend a 22 mil though, just use press connections or weld, depending on the circumstance. I got one bender for 12 and one for 15. (I work in Sweden)
16. Everybody going to know your a bender now..hehe  good tips chap
17. this is very helpful. Thank you for effort
18. nic
19. will this weaken the pipe and leave it prone to rupture/crack years down the road?