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#411259 - 05/14/15 10:01 AM Aeration/pump advice: Vane vs Rocking piston
Chargerdude70 Offline


Registered: 05/07/15
Posts: 6
Loc: Michigan
Looking to get my aeration system together and looking for advice. I currently have a 1/4 acre pond w/max depth of 8'. This fall will be digging another 1/4 acre with depth of 18' and cleaning up current pond. I want to do a DIY aeration system. The pump choices I am leaning towards are the Gast and Teich-Aire.

My questions are: Which pump would one recommend over the other and why? What size (hp) pump of either brand would you suggest and how many diffusers per pond to turn the water. My thoughts are a 1/4hp of either pump and (1) 9" EDI FlexAir in each pond. But this is all on just the reading I have done.

Suggestions, Advice?

Thank you in advance.

Duane


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#411264 - 05/14/15 10:42 AM Re: Aeration/pumpm advice: Vane vs Rocking piston [Re: Chargerdude70]
BLUE72CAMARO Offline


Registered: 08/12/14
Posts: 141
Loc: Macoupin County, IL
I think 18' deep will be pushing it for a vain pump to go full depth.
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#411265 - 05/14/15 10:46 AM Re: Aeration/pumpm advice: Vane vs Rocking piston [Re: Chargerdude70]
canyoncreek Offline


Registered: 05/07/13
Posts: 1783
Loc: West Michigan
Charger, what part of Michigan are you in? Another member is looking for pond builders and I thought you might be able to help since you are planning to build one yourself.

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#411282 - 05/14/15 12:11 PM Re: Aeration/pumpm advice: Vane vs Rocking piston [Re: Chargerdude70]
Bill Cody Offline
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Registered: 04/18/02
Posts: 12398
Loc: Northwest Ohio - Malinta OH
The main benefit of rocking piston pumps is for ponds greater than 18ft deep. At 18ft with a rotary vane get the diffuser off the bottom on some sort of stand 12"-24". Both (1/4-1/3hp) dual head rocking piston and rotary vane produce similar amounts of cfm. Rotary vane is easier and simpler to rebuild. Rocking piston is often slightly more retail cost.
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#411283 - 05/14/15 12:20 PM Re: Aeration/pumpm advice: Vane vs Rocking piston [Re: Chargerdude70]
cb100 Offline


Registered: 12/19/14
Posts: 131
Loc: lake co calif
Has anyone tried to use pipe as a diffuser. I am thinking about trying to use 1/2"pvc for a diffuser I would use 5' sections of rigid pipe between 10' sections of pvc with holes drilled in it.should I use different size holes from the start to the end to allow for the different pressure because of depth change.

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#411284 - 05/14/15 12:22 PM Re: Aeration/pumpm advice: Vane vs Rocking piston [Re: canyoncreek]
Chargerdude70 Offline


Registered: 05/07/15
Posts: 6
Loc: Michigan
Originally Posted By: canyoncreek
Charger, what part of Michigan are you in? Another member is looking for pond builders and I thought you might be able to help since you are planning to build one yourself.


We live in Deerfield Township but mailing address is North Branch. This person was recommended by another person in our area and price quote didn't seem to bad. Good or bad, we didn't really get any other quotes. YMMV.....

http://www.pondexperts.com/

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#411285 - 05/14/15 12:24 PM Re: Aeration/pumpm advice: Vane vs Rocking piston [Re: Bill Cody]
Chargerdude70 Offline


Registered: 05/07/15
Posts: 6
Loc: Michigan
Originally Posted By: Bill Cody
The main benefit of rocking piston pumps is for ponds greater than 18ft deep. At 18ft with a rotary vane get the diffuser off the bottom on some sort of stand 12"-24". Both (1/4-1/3hp) dual head rocking piston and rotary vane produce similar amounts of cfm. Rotary vane is easier and simpler to rebuild. Rocking piston is often slightly more retail cost.


Bill

Gave you a call and PM'd you but didn't get any response. Would still like to chat with you if at all possible.

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#411337 - 05/14/15 09:59 PM Re: Aeration/pumpm advice: Vane vs Rocking piston [Re: Chargerdude70]
Bill Cody Offline
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Registered: 04/18/02
Posts: 12398
Loc: Northwest Ohio - Malinta OH
I answered your PM and replied with an email. I'm pretty busy to chat on the phone. Try calling again until you catch me in the lab.


Edited by Bill Cody (05/14/15 10:02 PM)
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#411425 - 05/15/15 12:25 PM Re: Aeration/pumpm advice: Vane vs Rocking piston [Re: Chargerdude70]
brians Offline
Junior Member

Registered: 08/03/05
Posts: 16
Loc: Capac, MI
Originally Posted By: Chargerdude70
Originally Posted By: canyoncreek
Charger, what part of Michigan are you in? Another member is looking for pond builders and I thought you might be able to help since you are planning to build one yourself.


We live in Deerfield Township but mailing address is North Branch. This person was recommended by another person in our area and price quote didn't seem to bad. Good or bad, we didn't really get any other quotes. YMMV.....

http://www.pondexperts.com/

Wow followed the link and thought the name was familiar. His dad dug our pond 30+ years ago. If his son is anywhere as good which I'm sure he is, you will be well pleased....

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#411476 - 05/15/15 06:12 PM Re: Aeration/pumpm advice: Vane vs Rocking piston [Re: Bill Cody]
JKB Offline
Hall of Fame 2015
Lunker

Registered: 12/03/09
Posts: 6692
Loc: Michigan
It has also been mentioned that the rotary vanes produce a lot of heat for the production of air - friction being the cause due to the vanes being forced out centrifugally in dry contact with the housing.


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