Backup or normal use Water Pumps


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Hey guys

I am bringing in a bunch of pumps. These are self priming and use a diaphragm. Great for ATU etc. WIll probably go for around R150 each. I am bringing in to see how they fare as dosing pumps connected to a controller (one of my projects)

Is anyone interested? I will have about 15 available.

- Working voltage: DC 3-12V
- Empty load current: 0.18A
- Load current: 0.3A
- Max.flow: 2-3L/mins
- Water output Max.pressure: 1-2.5kgs
- Lift: 1-25m
- Max. suction: 2m
- Input/output tube diameter: outer 9mm, inner 6mm
- Install size: 100*45*62mm
- Weight: 110g
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RiaanP

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These looks very much like caravan pumps. The shaft, is it ceramic or stainless steel.
As far as I can remember, those caravan pumps got a brass / copper shaft. That is slightly exposed.
 
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On these I think it's stainless steel. I can confirm.
 
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no my guess is all plastic with a rubber diaphragm. i will assume the shaft is behind the plastics and will never be in touch with tank water.

maybe just confirm like you say
 
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Correct. All plastic casing with rubber diaphragm
 
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