Pickup tube for outlet valve

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djl3thal
Posts: 21
Joined: Thu Dec 27, 2018 11:09 am

Pickup tube for outlet valve

Unread post by djl3thal »

Hi, I’ve scoured the internet and seen some good options including custom made pickup tubes and the famous spiral filter thing. Most things were either expensive, or would take a lot of my time to fabricate which Is rather spend brewing! I like to whirlpool and then fill my hot wort cube without tipping my Brau.

I picked up this 3/4” (~19mm for) outer diameter 316SS tube weld nipple locally for a few dollars. All I need to do is cut two grooves to seat o-rings in and it will be perfect!

You could source this at any local welding components or process industry supplies shop. I hope this helps someone who is in a similar position as I. Cheers [emoji482]

ImageImageImage


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djl3thal
Posts: 21
Joined: Thu Dec 27, 2018 11:09 am

Re: Pickup tube for outlet valve

Unread post by djl3thal »

Ps. If anyone has a good idea how to cut the o-ring grooves? I was thinking of using tube cutters to lightly run around, then shift then slightly along the tube and cut again to get about a 1mm groove width. Or is there an easier way?


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aziztan
Posts: 85
Joined: Wed Dec 09, 2015 1:32 pm
Model: 20 litres
Location: Sydney, Australia

Re: Pickup tube for outlet valve

Unread post by aziztan »

Nice job with the SS - much nicer than copper!

I think you're referring to Bac brewing Springer filter aka Lauter Helix. Both come with pick up tubes and work well for those that hot cube*. Nice job with the SS - much nicer than a copper!

Tbh, I stop doing this as the tap clearance was perfectly designed to clear the trub, and on ocassion of tip the BM a little when there's less trub.

* I chill my wort and it blocked every time, even with an aggressive whirlpool and letting it settle for an hour. Whereas hot wort seems to work very well.

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djl3thal
Posts: 21
Joined: Thu Dec 27, 2018 11:09 am

Re: Pickup tube for outlet valve

Unread post by djl3thal »

I can see how some trub may will get into the cube, which is why I was thinking about getting a small piece of flat SS welded to the pickup as a trub dam blade as I heard they work well on the ss brewtech kettles. See photo.

It seems a pity to leave 5L behind just like it seems an improper fix to be needing to tilt the Brau which requires me to open the lid, creating convection currents and stirring up the trub after the whirlpool!

Image



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mashy
Posts: 2986
Joined: Sat Aug 29, 2015 12:43 pm
Model: 20 litres
Location: Mercia

Re: Pickup tube for outlet valve

Unread post by mashy »

Don't become a trub-free-queen - its not worth it.
Read this: Trubby beer versus a little trub beer comparison from brulosophy.com: http://brulosophy.com/2014/06/02/the-gr ... ts-are-in/

aziztan
Posts: 85
Joined: Wed Dec 09, 2015 1:32 pm
Model: 20 litres
Location: Sydney, Australia

Re: Pickup tube for outlet valve

Unread post by aziztan »

I think it's different for Hot Cubing. Wort can be stored for days if not weeks before yeast is pitched which is very convenient for our weather here in Oz where chilling down to pitch would take ages. That sort of trub contact is different to the Brulosophy one where he pitched the yeast right away for both and bottled very soon after that.



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djl3thal
Posts: 21
Joined: Thu Dec 27, 2018 11:09 am

Re: Pickup tube for outlet valve

Unread post by djl3thal »

Correct aziztan, I’ve always put very clear wort into my cubes with my 3V system and intend to continue this on the Brau for stability reasons. A little bit doesn’t matter but I definitely like to see a trub come sitting in the bottom of the kettle once the cubes are filled.

Funnily enough I do plan to try chilling one day as I do have a rainwater tank. Calls for an experiment to do the same brew twice one in cube no hot break/trub and one chilled with hot break/trub!


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IPA
Posts: 272
Joined: Tue Feb 25, 2014 8:16 am
Model: 50 litres
Location: France

Re: Pickup tube for outlet valve

Unread post by IPA »

Buy a Springer and a plate chiller. I brew year round even with summer temperatures of around 35° C

Everhopfull
Posts: 44
Joined: Sat Nov 05, 2016 8:20 pm
Model: 20 litres

Re: Pickup tube for outlet valve

Unread post by Everhopfull »

IPA wrote:Buy a Springer and a plate chiller. I brew year round even with summer temperatures of around 35° C
Out of interest what is your ground water temperature when the air temperature is 35c ?

IPA
Posts: 272
Joined: Tue Feb 25, 2014 8:16 am
Model: 50 litres
Location: France

Re: Pickup tube for outlet valve

Unread post by IPA »

Everhopfull wrote:
IPA wrote:Buy a Springer and a plate chiller. I brew year round even with summer temperatures of around 35° C
Out of interest what is your ground water temperature when the air temperature is 35c ?
To be honest I have never measured it. We live in the country in an isolated house. The incoming main is buried at least a metre deep because it crosses cultivated agricultural land so I imagine it does not fluctuate wildly. I will measure it this coming summer and post and PM the reading

rfc3571
Posts: 2
Joined: Mon Jan 28, 2019 2:07 pm
Model: 50 litres
Location: Vienna, Austria

Re: Pickup tube for outlet valve

Unread post by rfc3571 »

djl3thal wrote:Ps. If anyone has a good idea how to cut the o-ring grooves? I was thinking of using tube cutters to lightly run around, then shift then slightly along the tube and cut again to get about a 1mm groove width. Or is there an easier way?


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I think that might be quite hard to do it this way. Have your attempts been successful?

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MonsieurBadgerCheese
Posts: 150
Joined: Fri Oct 23, 2015 5:20 pm
Model: 20 litres (2015)
Location: Lyon, France

Re: Pickup tube for outlet valve

Unread post by MonsieurBadgerCheese »

Bonsoir,

Did you manage to complete this modification djl3thal?

MBC :D

rfc3571
Posts: 2
Joined: Mon Jan 28, 2019 2:07 pm
Model: 50 litres
Location: Vienna, Austria

Re: Pickup tube for outlet valve

Unread post by rfc3571 »

There is some hard limitation with respect to available space, both on the left side (heating helix) and on the right side (malt tube). In between, there is only 45 mm for the siphon tube plus some milimiters when dipping into the tap outlet. Most of the available elbow fittings do not meet these criteria, they usually don't fit, either in terms of bowing radius, length or height. Thus, any elbow has to be modified first. After elbow modification a tiny special tube is to be soldered or welded on that bears the O-Ring and the entrance stop. That means hard precision work. BAC Brewing engineered this precisely, but it was designed for the springer filter only, to my regret. There are many who do not use the springer filter, but prefer a conventional false body (which is better for a timely lautering).

aziztan
Posts: 85
Joined: Wed Dec 09, 2015 1:32 pm
Model: 20 litres
Location: Sydney, Australia

Re: Pickup tube for outlet valve

Unread post by aziztan »

OP is referring to parts available in Oz, which is useful for BM users there. Wherever that part came from, it's a starting point for whoever wants to give it a go.

I've done a pump mod (with a T piece ball valve as per @mashy and do away with the original tap all together.)

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djl3thal
Posts: 21
Joined: Thu Dec 27, 2018 11:09 am

Re: Pickup tube for outlet valve

Unread post by djl3thal »

I’m waiting on one of the fitters from work to cut two 0.5mm grooves into that elbow on his lathe. I couldn’t do it myself with hand tools but if that o-rings hold the elbow tube is actually the perfect dimension without modification to the length on either side.

Will report back once it is done.


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