Mash Recirculation Return Tube PDF Print E-mail

tnmashtubeModel: MashTube - $18.99 +

We spent way too long trying to come up with a clever name for this thing. Mash Tube, Any Height Recirulation Port, Sparge Height Thingy. A lot of people use a piece of hose or copper tubing on the inside of their mash tun recirculation (or sparge) port but it's not as cool as this. This assembly is made from parts from "Loc-Line". You can adjust the output from the same height as the port all the way down to 12" below the port to adjust for five or ten gallon batches of varying grain bills. It's a exponentially easier to use than laying a hose on top of the grain.

mashtubeOptions:

  • Plastic Only - You can buy just the loc-line assembly including the 1/2" male connector, 90 degree elbow, and 14 flexible segments and thread it into your own bulkhead.
  • Weldless Kit - with all piece shown to the right. After drilling a 7/8" hole in the top sidewall of your mashtun, use the SS washer on the inside and silicone flat gasket on the outside just behind the Camlock Type A Fitting. Of course this only works if you're subscribed to the use of Cam Locks for your disconnect system.

 

Options


SPECs from the manufacturer:

Material: Acetal Copolymer

Compatibility:Yes: Acetone, Alcohol, Ethyl, Greases, Oils, Commercial Dish Detergents, Gasoline, Lacquer Solvents, Sodium HydroxideNo: Acids, Ammonium Hydroxide, Bases Strong, Hypochlorite Ion Solutions, Sodium Hypochlorite

Melting Point: 329° F Maximum Operating Temperature: 170° F (Repeated exposure over this temperature will cause fatigue)

"Acetal Copolymer" appears to be the generic name for Delrin. More about Delrin on Dupont's site here.

More about food contact from a distributor:

 

Q: Is Loc-Line safe for food contact?

A: The material used to manufacture Loc-Line is an acetal copolymer. This material, in accordance to the rules 21 CFR 177.2470, meets the requirements of this regulation for aqueous food contact. Not applicable for fatty foods and alcohol. All colorants are used at the recommended let-down ratio and meet 21 CFR 178-3297 for food contact.

 


 

Comments  

 
0 # Michael 2012-02-07 17:35
What temperature is this safe to? Could it be used for whirlpool while boiling/chilling?
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0 # Bill 2012-04-24 17:43
Having a hard time understanding how this would be used for sparging. Got anything that would show this in action?

Thanks
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0 # Bobby 2012-04-24 18:59
Quoting Bill:
Having a hard time understanding how this would be used for sparging. Got anything that would show this in action?

Thanks


Bill, I understand the confusion. There's a huge group of people out there with the impression that sparging requires some kind of shower head or spinning spray mechanism because the term "rinsing" probably paints that picture. A proper fly sparge requires a foundation of about 1-2" of water on top of the grain bed. Once that is there, it doesn't matter how you deliver new water to that mass other than two requirements: Don't slam the grain with a high pressure stream and the new water should integrate with the current layer. The mash tube is bent/manipulated such that the exit is turned sideways as shown in the pic, just below the water line. In effect, it is barely sitting on top of the grain but also covered by the foundation water. It's angled so that the incoming water creates a gentle swirling of the foundation water. The whole point of this device is to be able to set the height over a large range of grainbeds and is an alternative for those folks who simply lay their ouput hose on top of the grain (which doesn't really stay put anyway).

I promise you, there's no need for showering the grain.
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0 # Tom 2012-05-16 12:06
Could this be used in a 10 gallon Igloo? I'm building a RIMS with my MashTun as a 10 gallon Igloo and I'm trying to figure out the best way to attach this...any ideas?
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0 # Bobby 2012-05-16 14:03
Tom, I'm sure it can, but I think I may want to offer a specific configuration for it that mounts to the lid rather than going through the thick wall of the cooler. I have a 10g igloo in the shop, but I won't be there for a few hours.
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