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DIY keg washer pump sizing???

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  • augiedoggy
    replied
    Originally posted by HogMountain View Post
    Honestly, I have not decided. But more than likely CIP.
    looks just mine except I have the model with the handle and switch on wheels.

    Leave a comment:


  • HogMountain
    replied
    Originally posted by Automatic12pro View Post
    Nice! Is this for a keg washer or CIP?
    Honestly, I have not decided. But more than likely CIP.

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  • Automatic12pro
    replied
    Nice! Is this for a keg washer or CIP?

    Leave a comment:


  • HogMountain
    replied
    Mine arrived yesterday. At least it is packed well. I won't know how it performs for a while. The pump head probably needs to be passivated after cleaning it.


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  • augiedoggy
    replied
    Originally posted by HogMountain View Post
    I just bought one of these on ebay. The seller had a make an offer button or a buy it now button. I got one for $295 including shipping. Seems like a good gamble to me.
    I got the option of a one or 2 year warranty for $15 which I took as well.

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  • augiedoggy
    replied
    Originally posted by HogMountain View Post
    And that is the 110v pump?
    yes .750hp

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  • RipRap
    replied
    I used a 1HP AMT stainless steel pump from Pump Catalog when I build my semi-automatic washer. I wanna say it was around $400. Its probably a little overpowered and a 3/4 HP would have been plenty.

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  • HogMountain
    replied
    I just bought one of these on ebay. The seller had a make an offer button or a buy it now button. I got one for $295 including shipping. Seems like a good gamble to me.

    Leave a comment:


  • HogMountain
    replied
    Originally posted by augiedoggy View Post
    so the pump I mentioned above IS about 40-50gpm... Its so strong is sucks my santoprene 3/4"ID intake hose closed so we plumbed it direct to test... VERY powerful whirlpool!
    I was able to source extra seals for it just in case as well. It blew the end of one of my hoses off and sprayed water about 25ft across the room too!
    And that is the 110v pump?

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  • augiedoggy
    replied
    so the pump I mentioned above IS about 40-50gpm... Its so strong is sucks my santoprene 3/4"ID intake hose closed so we plumbed it direct to test... VERY powerful whirlpool!
    I was able to source extra seals for it just in case as well. It blew the end of one of my hoses off and sprayed water about 25ft across the room too!

    Leave a comment:


  • Automatic12pro
    replied
    Ended up scoring one of these, hopefully its enough. Seems to be able to handle anything I would throw at it.

    https://www.usplastic.com/catalog/it...x?itemid=31740

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  • Automatic12pro
    replied
    I did some testing over the weekend to find the flow rate needed to sustain a cascade over a keg inner wall.

    Here's what I did.

    I drilled a large opening into the side of a junk keg for observation.
    I then connected my water hose to my sanke coupler with inner ball stoppers removed.
    With the keg inverted, I opened the water line and raised it until the pressure achieved a cascade.
    I then removed the coupler and recorded the amount of time it took for the line to fill a 5 gallon bucket.

    Here's my result.

    4.2 GPM was the minimum flow required.
    4.8 GPM was my maximum flow rate with hose opened all the way. This was likely due to the restrictions of the 50' hose, 4' 3/4" hose, valve, fittings and coupler. Typical water flow should otherwise be around 15 GPM.

    Conclusion.

    The 4.2 GPM required doesn't indicate that a small pump could wash a keg. Number of couplers, hose ID, Tee's, Elbows, head height, viscosity and likely temp all play a role. I would assume a 20-30 GPM pump at 15-20' of head should be powerful enough. The other thing I noted while testing this with a un damaged keg is that drainage may be an issue if your pump is too strong. Just filling a keg using my above method and running for 60 seconds left the keg draining for 2-3 minutes. hopefully compressed gasses can reduce this but I may try to utilize some sort of reducer on the In side of my Coupler to the keg. Hopefully someone can offer some direction on this.

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  • Automatic12pro
    replied
    I hope it's strong enough! I may be leaning toward a pneumatic diaphragm pump. They seem to be geared toward harsh chemical transfer and I think I could just use the compressor that's going to power my pneumatic valves and blowout cycles to power a pump as well. I may have to invest in a better compressor though. Still working out all the system requirements to see if its possible.

    Leave a comment:


  • augiedoggy
    replied
    Originally posted by Automatic12pro View Post
    where did that pump mention 48 GPM? 3T/H is about 13 GPM according to this site.
    https://www.traditionaloven.com/tuto...er-minute.html

    Hopefully it works! What setup are you building augiedoggy?
    it had come from a different calculator I had pulled up and used...
    I did get the pump and wired it up yesterday and verified it works but havent done anything beyond that yet. I plan on pulling it apart to investigate the main seal situation but it uses the orange rubber oring type on the outside housing.

    It appears Ive done my math wrong since I used this http://convert-to.com/conversion/wat...er-volume.html which gave me 792 which I divided by 60.. ill admit im unfamiliar with things being rated in tonnes I also googled other "similiar" 1 hp sized pumps and got around 40-60gpm
    I realize these are different pumps but the impeller design looks to be the same style as cpe systems pumps and the hp is around 1 hp and depending on rpm?

    I'll do a water test today and see. I was mainly looking for a CIP pump for my 3 bbl setup and maybe something for whirlpooling. I dont need anything crazy myself.
    Last edited by augiedoggy; 06-06-2018, 07:18 AM.

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  • Automatic12pro
    replied
    where did that pump mention 48 GPM? 3T/H is about 13 GPM according to this site.
    https://www.traditionaloven.com/tuto...er-minute.html

    Hopefully it works! What setup are you building augiedoggy?

    Leave a comment:

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