Duotight 8mm Ball Valve

  • Item #X27
  • Price: $2.49
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If you are looking to an alternative to cutting tubing and pressing it over hose barbs with hose clamps, with the resultant difficulty in dissassembly, you might find the DuoTight System interesting. Based on double O ring sealed push in fittings, DuoTight allows easy repeated hose attachment and removal, as well as EVABarrier lined odorless tubing that costs no more than economy PCV tubing.

DuoTight features a patented dual O ring sealing system using high quality EPDM o-rings. The double o-ring means DuoTight have twice the sealing surface surface when compared with other push in fittings. This makes DuoTight even more reliable and reduces the chance of a leak. The double o-ring system also means that you can bend the hose with much tighter radius without causing leaking issues.

Clamps are not needed. To use the DuoTight System, simply cut your EVABarrier tubing to length (cut tubing square for best results, not at an angle), and push into the DuoTight fitting. To remove the tubing, simply press back on the sealing flange and pull the hose out. EVABarrier Hose and DuoTight fittings are rated up to 100 PSI.

This ball valve attaches to 8mm exterior diameter EVAbarrier tubing.

The fitting seals tight without teflon tape when using plastic ball and pin locks, but you will need to wrap stainless male flare threads is a bit of teflon tape to get them to seal before threading these on.


Compatible with: - EVABarrier 4mm ID x 8mm OD line (item Z91)
                          - EVABarrier 5mm ID x 8mm OD line (item Z92) 

(1)
Average rating 10 out of 10 ( based on 1 review )

Works well.

Review by Kevin on 3/28/2020

I got a couple of these to shut off the gas line on a kegerator retrofit I did for some friends. The Nitro regulator from taprite doesn't have a valve on it, so put this inline to add some control. Pops right onto the tubing just fine and turns on and off easily.

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Nov 23, 2019 by Noah

Q: Would this be able to function as a flow controller between a keg and a tap?

A: This will reduce the flow on the line, although we believe it was originally developed to either be on or off. If you need resistance in a line, probably better to choose 4mm interior diameter EvaBarrier tubing, and play with the length.


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