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Ek ZMT tube and compression fittings - Page 3

post #21 of 29
Thread Starter 
Quote:
Originally Posted by derickwm View Post

The EK-ZMT tube makes its best "seal" the first time. As it is norprene it stretches a little. I'm using the 3/8 5/8" variant and EK 3/8 5/8 CSQ compression fittings and the first time I connect the tube to the fittings and seal it up, it's rock solid. Unfortunately the tube stretches a little and the next seal is not as tight after hot water flows through it. I usually end up cutting a third of an inch off to make sure I get the right seal again. 

Apologies you experienced this difficulty. This is the only downside of ZMT, other than that it's very safe to use compared to most tubing and always helps me sleep a little better. Had a D5 die on me from plasticizer frown.gif

Thanks, I will give the tube another chance (I really like the matt black) i have been using the same piece of tube over and over aigain for testing. Will trie to see if a fresh part of tube makes a difference smile.gif
post #22 of 29
Just ran into the same problem - My Radiator -> Reservoir hose came off as I was removing the memory sticks, I swear that it was the lightest pull ever, still it came right through the fitting and I was left standing with water everywhere - Fortunately everything was turned off and unplugged, so drying should - hopefully - sort it out.

Using the exact same tubing and fittings as OP ( 16 / 10 ).

Am I safe when supposing this is the tube and not fittings? Ordered some Primochill, hopefully they work alright with the EKWB fittings - I love the ZMT tube, but with having experienced this first hand, never again.
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Frozen Kaveri
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post #23 of 29
Thread Starter 
That's what I was affraid of. Good thing you did not have it turned on.
I orderd the Primochill tube and the primochill grips very good but it's also a little stiffer.

I did end up using the Ek tube (just really love the tube) but with alphacool fittings. the grip is still not great but I decided to take a little gamble on it smile.gif
So far so good.
post #24 of 29
Quick update:

The Primochill advanced LRT arrived and is working wonderfully with the EKWB fittings.

I still have about 5 meters of ZMT left, it will be re-used on another build but this time using BARB FITTINGS, I simply cannot trust it with compression fittings after what happened.
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post #25 of 29
So....my setup is bitspower and norprene 15.9/9.5 and it looks the same as youres ... no leaks and sits tight smile.gif
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post #26 of 29
Well i stumbled on this topic and i can share my findings...

Which are NOT positive on this type of tubing i believe the Tygon Norprene is pretty much the same as the Ek ZMT tube. The person who wanted to use this tubing is very much correct on his findings with most compression fittings it will not grip tightly around the barb even when tightening the compression nut all the way i could with relative easy pull the tube out of my fitting. I even posted on a german WC forum since they had more users of this type of tubing back in those days here is a link to all my tests regarding Norprene tubing and its effect on compression fittings i used both Bitspower and Koolance compression fittings and regular Primochill pro tubing to compare it with Norprene and boy what a disappointment it was!

Heck even one of the posters here had a almost catastrophic disaster just by touching it and the water came out all over the place...this is what i mean not tight fit you don't want it to come of by only touching it and since its elastic in nature, that elasticity will decrease over time meaning whatever "tightness" it had over the barb is gone over time hence one of the posters had his nasty leak just by touching... Anyway the link to this german forum (its english communication btw):

http://www.hardwareluxx.de/community/f137/any-one-tygon-norprene-compression-fittings-963610.html

One user on that post actually done his testing and confirms my experiment as well his name "GliderHR"
Edited by Cobra26 - 4/18/16 at 1:44pm
post #27 of 29
Quote:
Originally Posted by Cobra26 View Post

Well i stumbled on this topic and i can share my findings...

Which are NOT positive on this type of tubing i believe the Tygon Norprene is pretty much the same as the Ek ZMT tube. The person who wanted to use this tubing is very much correct on his findings with most compression fittings it will not grip tightly around the barb even when tightening the compression nut all the way i could with relative easy pull the tube out of my fitting. I even posted on a german WC forum since they had more users of this type of tubing back in those days here is a link to all my tests regarding Norprene tubing and its effect on compression fittings i used both Bitspower and Koolance compression fittings and regular Primochill pro tubing to compare it with Norprene and boy what a disappointment it was!

Heck even one of the posters here had a almost catastrophic disaster just by touching it and the water came out all over the place...this is what i mean not tight fit you don't want it to come of by only touching it and since its elastic in nature, that elasticity will decrease over time meaning whatever "tightness" it had over the barb is gone over time hence one of the posters had his nasty leak just by touching... Anyway the link to this german forum (its english communication btw):

http://www.hardwareluxx.de/community/f137/any-one-tygon-norprene-compression-fittings-963610.html

One user on that post actually done his testing and confirms my experiment as well his name "GliderHR"

Thats quite odd, im using it with the ek compression fittings and i have to say it is TIGHT. If anything this is tighter then me using the masterkleer i was using before. I was able to tighten those all the way down but this no way. The fact that its 9.5mm on the inside instead of 10 makes the tube bulge out more where it meets the barb/fitting. Ive taken the cpu block one a few times and the tubing is still crazy tight.

This is an old thread. All the guys that are using it, its been 2 years or so has anyone had issues if your still using the hose or it was unfounded worries?
    
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post #28 of 29
Quote:
Originally Posted by bluej511 View Post

Thats quite odd, im using it with the ek compression fittings and i have to say it is TIGHT. If anything this is tighter then me using the masterkleer i was using before. I was able to tighten those all the way down but this no way. The fact that its 9.5mm on the inside instead of 10 makes the tube bulge out more where it meets the barb/fitting. Ive taken the cpu block one a few times and the tubing is still crazy tight.

This is an old thread. All the guys that are using it, its been 2 years or so has anyone had issues if your still using the hose or it was unfounded worries?

Hi i did not used the tubing in my rig due to my doubts about the tightness, however i did contacted EK as to get more information about their Ek ZMT tube and its tightness around a barb AND also told them about my findings concerning Norprene tubing which was not positive at all, their reply was OUR ek compression fittings is a perfect match for our Ek ZMT tubes....since i thought well of course he is gonna say its perfect...but i didn't tested it with their ek fittings and their Ek ZMT tube to actually verify this on my own until you posted your findings which in this case is positive. What i get is if you want to use Ek ZMT tubing then better use their ek compression fittings for a tight seal.

I really do like the looks of Ek ZMT tube but i will refrain from it and use primochill advanced tubing for my needs just to be on the safe side imo.
post #29 of 29
I've been using this EK tubing and it works fine for me. Although it's true that it does get a little bit squashed after the first use I haven't had to cut it back to get a good seal. I've even moved my setup, which has an external 480 and a bunch of this tubing, several times (including moving from one house to another) without draining the system and had no problem with leakage due to the tubing.
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