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Old 02-15-2011, 10:43 AM   #1
INWarner413
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Default Weldless Drain Valve Install

I'm looking to install a weldless drain valve on my aluminum HLT. Searched the site already, but came up empty. Anyone got a good parts list and installation procedure?

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Old 02-15-2011, 10:50 AM   #2
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BTW, I'm aware of the various kits that are sold, but I'm looking to get the parts from Lowe's.

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Old 02-15-2011, 02:48 PM   #3
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I just put mine together not too long ago. I'm at work and would be unable to get a parts list right now though. I kept it really simple and used very few parts.

I cut a hole in the keg to fit a 1/2" male to male coupler. I used a 1/2" ball valve and attached it to the protruding part of the coupler on the outside of the keg. On the inside, I made a gasket out of cork from a crafts store and fit it over the coupler followed by a 1/2" threaded washer. I screwed them both in tight making the washer squish against the cork and inner wall.

That's it. The cork does a great job sealing the system and it's food safe. I spent days looking for a high-temp food grade o-ring with no luck and then went with cork and couldnt be happier.

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Old 02-15-2011, 03:00 PM   #4
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Below is the pieces and detail of how to do a weldless bulkhead in a kettle (straight from bargainfittings.com). You can get everything you need from Lowes except the hi temp o rings. I suggest you get them from bargain fittings or mcmaster-carr (you have to buy bulk, but it is good to have extra around)...You will need to buy a 1/2" ball valve also

Basic bulkhead includes - 1/2" Stainless steel coupling, 1 stainless shim washer, 2 FDA high temp silicone o-rings (one is a spare), one 1/2" NPT close nipple, 1 stainless NPS straight thread locknut with o-ring groove.

Coupling is threaded inside to allow you to add a dip tube or strainer sold separately on this site.
Requires a 13/16" - 7/8" size hole to install. We sell step bits with the necessary 13/16" step on it. The hole will be slightly larger than 13/16 so a 7/8 step bit will allow you to drill it out just a bit bigger using the 7/8" step on the bit.

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Old 02-15-2011, 03:34 PM   #5
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WELDLESS CONVERSION (FOR KEG)

Get parts from wwww.mcmaster.com

(the prices listed are somewhat dated, but the part numbers should be correct)

McMaster Part No. Description Cost

4464K214 Stainless full coupling, 1/2" pipe size, $3.42

4830K171 Stainless Steel 1/2" Close Nipple, Fully Threaded, $1.69

98126A797 Stainless Steel Shim(sold only as a pack of 10 @ $10.38) $1.04

9396K32 Silicone O-Ring (sold only as a pack of 50 @ $14.53) $0.29 (x2)

4429K124 1/2" Locknut, Brass (with groove for o-ring) $1.30

4190K22 1/2" Brass Ball Valve, Full Port $6.

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Old 02-15-2011, 03:40 PM   #6
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Awesome, thanks for the posts y'all. Looks like the o-rings are the only tricky part to find. I'll play around some.

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Old 03-19-2011, 04:57 PM   #7
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It looks like some items have changed prices, part numbers and quantities included..


Code:
Item		Price	Package	Descriptiion
4464K214	6.76	Each	Type 304 Stainless STL Threaded Pipe Fitting 1/2" Pipe Size, 1-1/16" OD, Cplg, 1000 PSI, 1-3/8" L
4830K171	2.11	Each	Std-Wall Type 304/304L SS Thrd Pipe Nipple 1/2" Pipe X 1-1/8" Length, Fully Threaded
98126A797	9.80	5 Pack	18-8 Stainless Steel Shim .090" Thick, 7/8" ID, 1-3/8" OD, packs of 5
9396K32		7.55	50 Pack	Silicone O-Ring AS568A Dash Number 211, packs of 50
4429K124	2.55	Each	Low-Pressure Brass Threaded Pipe Fitting 1/2" Pipe Size, Locknut
4190K41		7.32	Each	Hot-Water NSF-Certified Brass Ball Valve 1/2" NPT Female Connections
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Old 05-24-2012, 01:16 AM   #8
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Bumping this thread just to say how awesome it is!

I just bought all of those components from McMaster-Carr for about $36. I forgot how amazing that site is. When I used to do more hardcore-engineering than I do now, we'd place an order from them at least once a week.

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