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Old 09-23-2008, 08:48 PM   #1 (permalink)
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Question --- How much can a 100psi compres??... 100psi?? ---

If I have a water compressor rated at 100psi, and an accumulator rated at 3,000psi... how much can my compressor put in the accumulator?? Only 100psi??


Or, lets say keep it running for a minute, will it be able to put it at least 1,000 psi?

Also, if i go with a bigger compressor, lets say 1000psi, it would just put 3,000psi in there faster right?

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Old 09-23-2008, 09:04 PM   #2 (permalink)
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Max pressure is max pressure. 100 psi pump will only make as much pressure as it can make . . . .

Pressure and Flow are 2 very different things.

I take it you are working on an well with an accumulator?

If so the rate at which the accumulator is filled is determined by the accumulators size and the flow rate of the pump @ the pressure you are filling it at (well actually a parabolic curve determined by the flow chart of the pump, and the pressure in the accumulator but . . . . .)
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Old 09-23-2008, 10:52 PM   #3 (permalink)
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Yes I am... so my pump flows 100psi and puts out 1500GPH, its still only going to put 100psi in that accumulator? (the accumulator has no inital pressure on it, but can hold up to 3000psi).

Would I really need a 3,000psi pump!? Where the heck am I going to get a mechanical water pump that pumps that high of a pressure??
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Old 09-23-2008, 11:06 PM   #4 (permalink)
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don't understand the big picture of what you are doing but a pressure washer will get you there. hmm... 15000 psi will cut marble
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Old 09-26-2008, 10:04 AM   #5 (permalink)
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Let's get some terminology corrected to start. What you have is a pump, not a compressor. (Water cannot be compressed.) Your accumulator is typically called a pressure tank. Inside the tank is a bladder with water on one side and slightly compressed air on the other. As the pump pushes water in, the air in the tank is compressed further. At some point, called the cut-out pressure, a switch interrupts the power to the pump and no more water enters the tank. Since there is compressed air above the water, there is enough force acting on the liquid to push it out of the tank, through the pipes, and all the way upstairs (possibly several flights of stairs) to the faucet. The pressure control switch tells the pump how much pressure to build and is adjustable. 100 psi is a common limit since pressures over that typically require a regulator to avoid problem with pipes, faucets, etc.

What are you trying to do here?
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Old 09-26-2008, 12:50 PM   #6 (permalink)
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the only way that I know of to get a higher then 100 psi from a 100psi pump would be to add a ramp pump on to it, not sure how much you could bump the pressure up, but I think you could.

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