Low O2 System Planning

Postby **Big Monk** » Wed Jul 27, 2016 4:40 pm

Locline, pump and locknuts are here.

Locknuts were a screaming deal at $0.75 each. I bought ten.

Postby **Owenbräu** » Wed Jul 27, 2016 7:14 pm

What pump is that?

Postby **Big Monk** » Wed Jul 27, 2016 7:40 pm

Postby **Owenbräu** » Wed Jul 27, 2016 8:40 pm

I have to pump at about 50% max flow because I am direct-fire heating my mash steps, otherwise I get thermal stratification under the false bottom. I ended up trying several configurations with the loc-line (and other SS configurations) because I was getting a lot of scour in the mash bed because of the flow velocities. I tried putting it around the perimeter and in the center with the flow going outward and then inward. I even bough a Y connector and female connector to make a complete loop. In the end, I ended up just making a straight piece of loc-line and drilling a hole opposite of the molded port. This final configuration provides the most even and least forceful distribution of flow across the top of the grain bed in my system.

Postby **Big Monk** » Wed Jul 27, 2016 8:56 pm

I'm going to run it at 5v. The nameplate says 13L/min at max flow with 12v. I'm hoping to reduce the flow by using the smaller voltage adapter.

The circle flow was causing you problems or your pump velocities were causing you problems?

Postby **Owenbräu** » Wed Jul 27, 2016 10:53 pm

Velocity. Now that both sides of each segment have holes, I'm sure I could make a ring out of it again, and it would be fine.

Postby **Big Monk** » Wed Jul 27, 2016 11:27 pm

I just made my last fittings purchase. Once my sight glass and triclover fittings come I'm assembling and testing.

Postby **Big Monk** » Thu Jul 28, 2016 8:04 pm

Chiller is here:

Postby **narcout** » Fri Jul 29, 2016 1:38 pm

Cool, I just ordered mine this morning - a 50 ft. double coil with garden hose fittings. It was $70 on Amazon which seemed like a good deal.

Postby **Big Monk** » Sat Jul 30, 2016 3:09 pm

Started assembling today: