FSD 2" Boka

Reflux still design and discussion

Re: FSD 2" Boka

Postby Arismac » Sat Aug 10, 2019 7:40 pm

Nice one Sam but that will not work. The hose is smaller than the fitting.
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Re: FSD 2" Boka

Postby PeterC » Sat Aug 10, 2019 7:43 pm

I think you need hose adapters because of such different sizes such as these. The metal ones you could get one with a socket and the other with a nipple of the same size to join them.
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Re: FSD 2" Boka

Postby Sam. » Sat Aug 10, 2019 7:45 pm

Sent you a PM :handgestures-thumbupleft:
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Re: FSD 2" Boka

Postby db1979 » Sun Aug 11, 2019 7:00 am

Not sure what your tubing is, if it's clear vinyl tubing, soak the end in hot water and once it's soft and stretchy push it onto the fitting.
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Re: FSD 2" Boka

Postby Arismac » Sun Aug 11, 2019 11:27 am

PeterC wrote:I think you need hose adapters because of such different sizes such as these. The metal ones you could get one with a socket and the other with a nipple of the same size to join them.


Thank you Peter. Unfortunately the male fitting is already welded to the Boka and has a GHT (Garden Hose Thread). There is insufficient room for two GHT hose connectors. 5SD is all over it though and I feel sure Andrew will come up with an answer.

db1979 wrote:Not sure what your tubing is, if it's clear vinyl tubing, soak the end in hot water and once it's soft and stretchy push it onto the fitting.


Not enough meat in the sandwich I am afraid. It simply will not stretch that far.
Last edited by Arismac on Sun Aug 11, 2019 11:31 am, edited 3 times in total.
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Re: FSD 2" Boka

Postby bluc » Sun Aug 11, 2019 12:55 pm

I used fittings like the ones as suggested by peterc then a short bit hose then garden fitting for easy teardown..
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Re: FSD 2" Boka

Postby Arismac » Sun Aug 11, 2019 1:03 pm

Perhaps you have a different model to me, but it seems the above fittings all offer a male thread. Found them in Bunnings but my Boka has male garden hose fittings. I am currently looking for a 13mm male to female adapter that is "slender" enough for me to get the two alongside each other.

Another option will be to get a female to female adapter and then one of the male to push on "push-on" adapters that Peter has shown. The thread size then gets in the act which must be GHT to fit to the Boka in the first place.
Last edited by Arismac on Sun Aug 11, 2019 1:08 pm, edited 2 times in total.
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Re: FSD 2" Boka

Postby bluc » Sun Aug 11, 2019 1:19 pm

Ahh i see..brass ones would prob be smallest..
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Re: FSD 2" Boka

Postby Rolls912 » Sun Aug 11, 2019 5:00 pm

Arismac wrote:I am seriously considering using/trialing the T500 Water flow controller in conjunction with the Boka Tower.

I have the toys and I am looking forward to playing. :handgestures-thumbupleft:


I would have thought the water flow controller would not allow enough output.... how did you go?
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Re: FSD 2" Boka

Postby Arismac » Sun Aug 11, 2019 5:25 pm

I have got some plumbing issues at the moment, but I have been able to run some preliminary litre/minute tests and the Boka actually does not seem to be configured to pass as much coolant water as the Boka. If ... this is correct we will not have a problem. The T500 Water Control can be adjusted to pass as much water as the Boka can accept.
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Re: FSD 2" Boka

Postby Professor Green » Sun Aug 11, 2019 5:29 pm

Unless the design has changed (and it may well have), your boka condenser should have 1/2" connections like this:

IMG_9832sml.jpg


These obviously won't fit normal garden hose connections but you can use these https://www.bunnings.com.au/kinetic-450mm-bent-elbow-water-connector_p4750085 to break the connections out a bit then you can use an appropriate reducer from the plumbing section of Bunnings to screw the hose connector on. The bonus of this is you have an elbow at the top so there's no angular strain on the hose and it's less likely to kink up when it's hot.

IMG_9835sml.jpg


IMG_9838sml.jpg


I did it this way until I switched everything over to camlocks.
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Re: FSD 2" Boka

Postby Arismac » Mon Aug 12, 2019 11:21 am

Many thanks Professor. That at least gets over the problem of the inlet and out flow being too close together.
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Re: FSD 2" Boka

Postby Arismac » Mon Aug 12, 2019 6:28 pm

One of the team had an oxy in the garage so we splayed the two fittings that were causing grief. All fits together just fine now.
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Re: FSD 2" Boka

Postby Arismac » Tue Aug 13, 2019 4:39 pm

Boka up and running. Better quality already coming off.
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