Water tank

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  #1  
Old 07-19-15, 04:45 PM
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Water tank

Hi All,I have restored a Duro piston style pump and I would like to setup a small water tank to it ,for display purposes only, it does have a pressure switch that functions, what should I use for a small tank and how should it be piped from the discharge side of the pump?
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Old 07-19-15, 05:29 PM
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Any kind of sealed tank could be used. A tank that could be installed conveniently and quickly is an expansion tank for a water heater.

Connect it to anywhere on the outlet line of the "system." Close off any other inlets or outlets except for a means of adding air to the tank to set the internal pressure.
 
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Old 07-19-15, 06:06 PM
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If this is for demonstration purposes will the water be recirculating? If so you need to keep an eye on the water temperature. Much of the energy that goes into moving and pressurizing the water will end up as heat.
 
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Old 07-20-15, 05:26 AM
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My thought was to have the pump fill the tank and shut off when it reached the pressure switch setting then release the water back into my reservoir.
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Old 07-20-15, 05:57 AM
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That Duro looks similar to my Myers 1909 pumps.

Where did you obtain piston leathers for it ?

I assume they were 1" to 2" in diameter ?

I relied on my Myers Pump for over 20 years and re-built it many times (not for fun) until I ceased to have a reliable source for the leathers.

I still have two; one of which was raided for parts.

I succumbed to install a quiet, fairly carefree centrifugal pump.

It was comforting to hear (throughout the house) that pump kick in and run to achieve the required pressures . . . . all was well with the World.
 
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Old 07-20-15, 09:42 AM
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A pressure tank is used only for a system with intermittent or small water draw. A small tank will let you draw perhaps two cupfuls of water from a spigot for demonstration purposes and then see the pump turn on and turn off again. The source of water might be an open tray or unpressurized tank separate from the pressure tank.

A continuously operating pump and water flow such as for a recirculating fountain does not need any pressure switch and does not need any tank (other than the open reservoir).

Antique pumps probably run at lower pressures compared with modern pumps so don't set the pressure switch too high.
 

Last edited by AllanJ; 07-20-15 at 10:06 AM.
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Old 07-20-15, 06:09 PM
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Thanks for that, I use a 5 Gal bucket for the supply and discharge from the tank into the bucket,a Rat Race situation.
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Old 07-20-15, 06:17 PM
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I use rubber or some product like rubber,my cups are only 1", I did not have any problem getting them, I have been told that leather stands up better if the water is dirty,I will try and forward the name of the Co.where I got them,very nice go deal with.
Do you have any knowledge of Duro pumps?
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