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Author Topic: Cheap pumps  (Read 4808 times)

Offline fakr

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Cheap pumps
« on: May 06, 2013, 10:10:58 AM »
Interesting...these look exactly like greatbreweh.com pumps and it's a subsidiary of OBK...

http://www.brewpump.com/
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Offline Richard

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Re: Upcoming OBK Sale
« Reply #1 on: May 06, 2013, 10:14:41 AM »
And all of the above look remarkably similar to something I got for less than twenty bucks a piece:

http://www.ebay.ca/itm/121080639257
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Offline fakr

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Re: Upcoming OBK Sale
« Reply #2 on: May 06, 2013, 10:16:30 AM »
nice find richard.  At that price, you could buy 4 or 5, and have a few spare in case one dies.
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Offline Richard

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Re: Upcoming OBK Sale
« Reply #3 on: May 06, 2013, 10:18:13 AM »
I didn't find it - someone else did - but still, they're pretty nifty.
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Offline fakr

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Re: Upcoming OBK Sale
« Reply #4 on: May 06, 2013, 10:23:09 AM »
just bought 3 for $55 shipped.

That's a great find.  I have some uses for them, like a water back for my tower tap, recirculating water for cooling a fermenter, and just as a spare for if a brew pump breaks down.

Only thing is I have to wait over a month to receive them from China....
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Offline Richard

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Re: Upcoming OBK Sale
« Reply #5 on: May 06, 2013, 10:29:48 AM »
Yeah it's more like 2 weeks - pretty good on that front. Can't argue with free shipping ;)
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Offline fakr

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Re: Upcoming OBK Sale
« Reply #6 on: May 06, 2013, 10:43:21 AM »
honestly, I might just thread these directly into the ball valves on all my kettles....
Damn they are cheap!  Thanks again Richard!
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Offline chrismccull

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Re: Cheap pumps
« Reply #7 on: May 06, 2013, 11:23:13 AM »
I wonder if the suction and discharge connections are NPT or BSP threads?

Offline Richard

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Re: Cheap pumps
« Reply #8 on: May 06, 2013, 11:34:15 AM »
They're not tapered, so I'm thinking neither.
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Offline Chris Craig

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Re: Cheap pumps
« Reply #9 on: May 06, 2013, 11:36:20 AM »
BPT is untapered.

Offline Richard

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Re: Cheap pumps
« Reply #10 on: May 06, 2013, 11:38:44 AM »
BSPP?

Yeah, could be that. I'm fucking hopeless at this stuff.
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Offline JohnQ

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Re: Cheap pumps
« Reply #11 on: May 06, 2013, 11:44:41 AM »
Difference with these ones is they're plastic threads, so as long as you only add your QD's once, you can make it work a lot more easily.
Just picked up some of them, they'll be at the PMB before my next trip.

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Offline chrismccull

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Re: Cheap pumps
« Reply #12 on: May 06, 2013, 11:47:32 AM »
Quote from: "Chris Craig"
BPT is untapered.


There are both actually, parallel and tapered.  The parallel threads rely on an o-ring to seal and tapered on the taper iteself.

I have a hunch that they aren't NPT.


Offline fakr

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Re: Cheap pumps
« Reply #14 on: May 06, 2013, 11:59:23 AM »
These pumps don't have a 1/2" thread...they are more like 3/4" but doesn't matter, at that price, I'll pick up some reducers from PA or HD.  Throw on some teflon tape, and like john said, just thread the fittings together the once, and you're good.
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