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Equipment Discussion Related To Pumps, Lights, Filters, Powerheads And Other Equipment.

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Old August 30th, 2013, 11:00 PM   #1
Qckwzrd
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Default piston pump

I've never seen one in person, but was fascinated by seeing them on YouTube. Wanted to know if anyone still uses this type of air pumps personally?
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Old September 7th, 2013, 07:09 PM   #2
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no one? does anyone even own one, working or not?
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Old December 1st, 2014, 08:20 PM   #3
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Default Piston Pumps

The last one I ever saw was the one I had on my big tank back in the 60s
It was a somewhat noisy thing and needed constant adjustment to keep it pumping properly
The piston was somewhat like a ticking windup namtle clock
The sound is intermittent so noticeable where a vibrator pump is more like white noise which is more easily tuned out
There was a pressure can between the pump and the gang valves so that the pressure was equalized across the pressure and recovery phases of the stroke and a check valves on both sides of the pressure can (belt and suspenders kinds guy) since the pump sat on the floor four feet or so below the water surface and I didn't want to risk the pump sucking water down on the recovery (but I never had much faith in those check valves with the springs in them)
I couldn't buy one when I set up my tank four or five years ago and wanted to make sure I had more than enough air
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Old December 7th, 2014, 02:28 PM   #4
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Times have shanged
That piston pump I said they don't make I bought when I set up my tank 4 or 5 years ago
It doesn't sound anything like the piston pumps of the days of yore
This is just a hum like a vibrator pump
If I hadn't seen it pictured in the F&S catalog I would still think I had a vibrator pump
It is the Coralife Super Luft pump
It is fairly large and heavy and puts out a lot of heat as well as a lot of air
It has been running constantly since I got it and has never given me any trouble
You probably don't want it in your livingroom but I sleep 5' from it
But then I live in a bell so it acts as white noise to lessen the intrusiveness of the never ending ringing
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