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Pipe bending 101 - Page 44

post #431 of 2175
Quote:
Originally Posted by mandrix View Post

Wow. Really? I emailed them today and they said it wasn't recommended for hard tubing. Hmmmm.
How long have you used them? Any leakers?

They are technically designed for compressed air that is generally used with plastic tubing but softer metal tubing works since it can still generate a seal and get a bite on the material. The shouldn't be used with harder metals though.
 
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post #432 of 2175
Thread Starter 
Quote:
Originally Posted by deafboy View Post

Quote:
Originally Posted by mandrix View Post

Anyone using SS tubing?
I would like to get a parts list together for 1/2" SS tubing/fittings/bender if anyone wants to contribute or suggest part numbers. Not sure if G 1/4 thread / 1/2" tube fittings are available.
Also I was looking at some fittings recently online and it looked as though the threaded part was pretty long, maybe too long for typical water cooling equipment. Anyone run into this with any particular push in type fittings?

I initially tried to do stainless on my build but ended up going to copper because dealing with the stainless was turning into a big pain in the you know what.

Finding the right fittings is a pain in it's own right. I am using industrial fittings in my build, had to lathe the threads down to fit. But even with industrial fittings, the bite wasn't string enough to get a hold of the stainless. I am sure it wouldn't have leaked, but I could pull the stainless out with some effort, which you shouldn't be able to do.

For 1/2" OD you are really going to need to keep an eye on what your ID is. Wall thickness will play a HUGE factor in what bender you pick up. I have several Rigid benders that work well but with 1/2 you won't be able to get that tight of a bend at all. I think for the 1/2" the bender would only get you about a 3" 180 degree bend compared to the 2" or so from the 3/8" bender.

The other thing you have to keep in mind is that copper is a bit more forgiving on bends. If it's slightly off you will be able to correct that by hand a little bit without creasing or bending the material. With stainless, however you bend it on the bender is how it's going to be, you're not going to be fixing it without heat and some torque.

Also, you have to be aware of cost and the amount of tubing you need. The final amount of tubing that ended up in my build is just a fraction of the amount I used in total. Whether it be from mistakes or from all the 1/8"-3" leftover pieces.

It's certainly possible to use stainless, I know if I had more I could have done it. But you just have to more aware of what you are doing and be precise within less than a millimeter in some/most case because there is just no give. Also depends what it is you are doing, some sections would certainly be easier than others. From my experience, it's just not worth it.
Couldn't of said it better myself,SS tube is not worth the heartache and buffing stainless is a whole new type of misery.
Stick to copper,I can bend tubing any way I want it and even I wouldn't bother with SS.

Also,180 s in tubing is fine,the restrictiveness you all mentioning applies to fittings,look inside the average 90 fitting and you will see the bore size drop alarmingly.
Edited by B NEGATIVE - 2/11/13 at 4:38pm
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post #433 of 2175
Quote:
Originally Posted by deafboy View Post

Quote:
Originally Posted by mandrix View Post

Wow. Really? I emailed them today and they said it wasn't recommended for hard tubing. Hmmmm.
How long have you used them? Any leakers?

They are technically designed for compressed air that is generally used with plastic tubing but softer metal tubing works since it can still generate a seal and get a bite on the material. The shouldn't be used with harder metals though.

If the bite is the issue then i'm quite sure they can bite on the copper pipe, I even have a nickel plated piece and the fitting bites real hard on it. You cannot pull it off with just your hands for example, without pushing the blue lock of course. As for the flow, I tried running water into it and it seems fine.
post #434 of 2175
Quote:
Originally Posted by B NEGATIVE View Post

Couldn't of said it better myself,SS tube is not worth the heartache and buffing stainless is a whole new type of misery.
Stick to copper,I can bend tubing any way I want it and even I wouldn't bother with SS.

Also,180 s in tubing is fine,the restrictiveness you all mentioning applies to fittings,look inside the average 90 fitting and you will see the bore size drop alarmingly.

I am sure you can. Just reread that, so many little errors. lol.

Quote:
Originally Posted by voldomazta View Post

If the bite is the issue then i'm quite sure they can bite on the copper pipe, I even have a nickel plated piece and the fitting bites real hard on it. You cannot pull it off with just your hands for example, without pushing the blue lock of course. As for the flow, I tried running water into it and it seems fine.

Yeah, copper is fine. Copper is a softer metal.
 
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post #435 of 2175
Hey B NEGATIVE, what fittings and tubing size is this?
post #436 of 2175
Thread Starter 
They are aquatuning push fit fittings with 10mm chrome plated copper.
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post #437 of 2175
Can I borrow anyone's pipe bender? I will of course pay shipping both ways. I just don't see the point in investing in a pipe bender if I will be using it once or twice in my life.
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post #438 of 2175
Quote:
Originally Posted by voldomazta View Post

If the bite is the issue then i'm quite sure they can bite on the copper pipe, I even have a nickel plated piece and the fitting bites real hard on it. You cannot pull it off with just your hands for example, without pushing the blue lock of course. As for the flow, I tried running water into it and it seems fine.

That's good to know. As I told you , when I asked them I was told the fittings were made for soft tubing. But I figured for the price I would try them out with copper tubing.
I would really, really love to go with SS, and I bent a lot of it years ago for Lab equipment. But back then I was using mostly Swagelock and some Parker fittings that might not look so great in a pc build.
So, 3/8" copper tubing it will be, and the beauty is it's so easy to find.
post #439 of 2175
Quote:
Originally Posted by mandrix View Post

That's good to know. As I told you , when I asked them I was told the fittings were made for soft tubing. But I figured for the price I would try them out with copper tubing.
I would really, really love to go with SS, and I bent a lot of it years ago for Lab equipment. But back then I was using mostly Swagelock and some Parker fittings that might not look so great in a pc build.
So, 3/8" copper tubing it will be, and the beauty is it's so easy to find.

Depends on what you get exactly... I have parker fittings in mine and don't think they look bad, haha.
 
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post #440 of 2175
Quote:
Originally Posted by elikim View Post

Can I borrow anyone's pipe bender? I will of course pay shipping both ways. I just don't see the point in investing in a pipe bender if I will be using it once or twice in my life.

The resale value on the nice benders are about 80-90%, so if you buy a $50 bender you'll really only be out $10 when you're done with it. No guarantees of course, but it's worth not getting kinks and creases in your pipe.
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