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#507482 - 06/15/19 11:13 PM Vortex Air Blower 2000L/min - Pressure: 18KPa?
blackhawk Offline


Registered: 04/13/19
Posts: 5
Loc: New Zealand
Hello everyone,

https://www.ebay.com/itm/Industrial-Aqua...n-/183226756529

Got a shallow pond which is approx 6 foot at the deepest point where a lot of it is sitting around 3 feet during summer.

Due to the pond being so shallow I am looking at maximum air flow vs pressure, just wondering if anyone has tried the above air blower and if their rating of 18KPa is correct?


Edited by blackhawk (06/15/19 11:21 PM)

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#507554 - 06/17/19 03:28 AM Re: Vortex Air Blower 2000L/min - Pressure: 18KPa? [Re: blackhawk]
blackhawk Offline


Registered: 04/13/19
Posts: 5
Loc: New Zealand
Anyone? There must be someone with experience in blower pumps out there?

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#507585 - 06/17/19 10:15 AM Re: Vortex Air Blower 2000L/min - Pressure: 18KPa? [Re: blackhawk]
Quarter Acre Offline


Registered: 06/10/16
Posts: 1634
Loc: West Central Missouri
For those in the old way of thinking...18KPa equals 2.6 PSI and 2000L/min equals over 70 CFM of volumetric air flow.

With that said, a max pressure rating of 2.6 psi only gets a diaphragm diffuser down to depths of 5 feet of water and that is neglecting any line losses or pump efficiencies. Typically, the air flow at a max pressure rating dwindles to about nothing. You do not need anywhere near the 70 CFM for the diffusers I am familiar with (most diffusers require 1 to 3 CFM). Most pumps run terribly inefficient when their pressure rating is pushed towards it's limits. The exception is the piston pump or the general category of Positive Displacement Pumps.

Disclaimer...I do not have much experience with blowers and have never heard of anyone using this type for pond aeration. I would advise you to look into Rotary Vane or Diaphragm air pumps for your shallow pond. Chances are, a diaphragm pump for your 3 to 6 foot depths will be the most affordable.

Questions:

I'd love to learn more about the blower you linked. Can you post a pump curve for it?

Will you be using a bubbler/diffuser? If so, What kind? If not, what will be causing the water movement?
_________________________
Fish on!,
Noel

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#507654 - 06/18/19 03:22 AM Re: Vortex Air Blower 2000L/min - Pressure: 18KPa? [Re: blackhawk]
blackhawk Offline


Registered: 04/13/19
Posts: 5
Loc: New Zealand
Probably the most useful post ever. Thank you.

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