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Source for high quality tube fittings?

Posted by MEgg 
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MEgg
Source for high quality tube fittings?
October 09, 2016 02:44PM
Some time ago my tube fittings spit out a few metal parts:


and afterwards the tube was going off all the time.
I got different fittings now (left = broken one, right = replacement):


but I am still searching for a reliable source of high quality fittings that last longer.

Any pointers?

Thx in advance.
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Ramon3D
Re: Source for high quality tube fittings?
October 10, 2016 11:20AM
Festo maybe? They probably won't sell directly to private Individuals though, so you'd have to find a reseller.
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etfrench
Re: Source for high quality tube fittings?
October 10, 2016 01:54PM
The quick releases sold by Prometheus have been working fine for me.

The failure of your connector could be blamed on poor quality, but it could also be caused by too much back pressure from the hot end.
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MEgg
Re: Source for high quality tube fittings?
October 11, 2016 04:26PM
Quote
Ramon3D
Festo maybe? They probably won't sell directly to private Individuals though, so you'd have to find a reseller.

Did you try one of these:
https://www.amazon.de/FESTO-578370-NPQH-DK-M5-Q4-P10-PUSH--FITTING/dp/B01E5UJ7W2/ref=sr_1_1?ie=UTF8&qid=1476120598&sr=8-1&keywords=FESTO+578370+NPQH-DK-M5-Q4-P10
?

https://www.festo.com/cat/da_dk/xDKI.asp?PartNo=578370&mode=extApp&xR=DKI3WebDataSheetV1
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MEgg
Re: Source for high quality tube fittings?
October 11, 2016 04:29PM
Quote
etfrench
The quick releases sold by Prometheus have been working fine for me.

The failure of your connector could be blamed on poor quality, but it could also be caused by too much back pressure from the hot end.

I am quite a beginner: with back pressure you mean that the filament cannot be pushed further through the nozzle?
I very rarely had the case that the hotend switched off during print, temperature dropping and the filament not going further,
this resulted in grinding of the extruder on the filament in my case.
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Ramon3D
Re: Source for high quality tube fittings?
October 12, 2016 02:26AM
I only used their QSM series in a 3D Printer as of yet, something like this (but not exactly this one ): Amazon Festo QSM

The ones you linked will probably still work Just fine, I mean they're designed to securely hold a tube in high-pressure, high-temperature Applications.
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sungod3k
Re: Source for high quality tube fittings?
October 14, 2016 06:28AM
Im working on a little jig that enables you to have 2 coupler at the same time.

also im using this in the meantime [www.ebay.de]
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