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Damn! I'll have to have a yarn with my Bil maybe he can replace it with a tri clover port.

It may pay to add my bil doesn't homebrew, he just welds. He has welded together milk tanks and beer tanks in the past but to spec. I was able to offer no real specs because I've never used a unitank. I just sent him some pictures I found on Google and the information I gathered here and that is...

Thanks for the responses. That is a pain in regards to the lower arm being too low. I was hoping to rack from that. Its also a bit annoying that the ball valves are welded on, not attached with tri clamps. Is it possible to get a raking arm for an existing ball valve? The tank size I believe...

Just an update, the unitank has been sitting around in my brewing room for a few weeks now since my BIL lost interest in it. I was advised that it still needs an acid wash and he can build a blow off cane. The interest in it is gone for him though and he didn't want it at his house anymore but...

I mean the $1550 isn't even that bad when you consider time to make, materials, shipping to nz, all the accessories (which as I've found out are hugely expensive) and then on top of that pressure certification. You literally can't make them cheaper if you have to pay for time (it's taken 20...

The spike stuff would be sweet for US prices :) - A couple of friends here who brew wanted their own unitanks, but if I was paying market value for time, it would work out cheaper just to buy a brewtech unitank. I'm only getting it for free because my BIL wanted to make one for fun and he tried...

Its very difficult building your own unitank and figuring out its use - especially considering im at the point in brewing where im considering buying a robobrew so i can go all grain. Also its a shame ss brewtech dont ship internationally, they have all the parts I need and are cheap compared...

My BIL thinks it could hold 9bar no worries, still going to get it checked though. He said the way its shaped helps with the load. Thing is an absolute beast, compared to corney kegs.

It's a shame the adjustible ones don't have an indication on them of what pressure they release on to take the guess work out of it.

Thanks for your awesome responses - ill keep the pictures coming. So i've been looking at aliexpress and these are the two different options (the first is fixed at 2bar, the second adjusts between 0.5 and 5 bar) Basically I just want to know which one to get. I would presume I just turn the...

So the tank is mostly done, just needs a blow off cane made. I'm looking at AliExpress for pressure relief valves and the cheapest are these adjustible kind with what appears to be a hand crank. I don't get why they are cheaper than the ones that are set to a fixed pressure or even how to use...

Maybe if lived in the States that would be reasonable. Unitank components are uncommon here and are 3-5 times if not more expensive than places like AliExpress. I would prefer local if I could but at that point it would be easier and not much more expensive to just buy the ss brewtech unitank.

Good morning, so the unitank is almost done and ready to get some fittings. Do you have any AliExpress links to good fittings you have personally used (I'm thinking pressure relief valves, gauges etc).

I'm never afraid to use Aliexpress (except for the fact all of my stuff is stuck at the airport in China due to New Zealand having closed their borders to everyone). Some of those big expensive stainless conical fermenters that dont hold pressure annoy me the most. But your rant is spot on...

Thanks for your help - The search for conical drawings turns up a bit more that is helpful. I was using the 'unitank' term just because a lot of the DIY fermenters arn't intended for pressure brewing. But 'unitank' is a bad search term it turns out.

It sounds like you have built one of these before, do you have any photos of your build (if possible)?

Hello all, My brother in law is a welder working for an engineering company that makes, repairs and installs various kinds of tanks (and things) including large Unitanks. As someone who wants a pressure fermenter but doesn't really want to pay for one, I requested he build me a 50litre Unitank...

Good morning/evening, Next weekend I'm thinking of attempting my first partial mash - I got a large pot (30 plus litres) and installed a weldless tap on it. I also have a 15litre chilli bin (I think Americans call them eskys or drink coolers?). The chilli bin has no mesh tap installed but a...

I purchased a little USB fan for a couple of dollars and it seems to have made a difference. Just need to get a solid carbonation method and I'll be set

It does sound like the same kind problem. I have a back up line to try that is roughly ten feet. My only reservation is that prior to my keezer i had a keg in a fridge with the 14 feet of beer line and tap (on a little stand i made) all inside the fridge. I had 0 issues, keg carbed quickly and...