Re: New Sprinkler Pump Pressure Problem -- Water Well Helpline Message Board

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Subject: Re: New Sprinkler Pump Pressure Problem

Author:
r. staudt
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Date Posted: 16:39:26 04/29/08 Tue
Author Host/IP: ool-18bd33da.dyn.optonline.net/24.189.51.218
In reply to: Jerry 's message, "Re: New Sprinkler Pump Pressure Problem" on 06:57:41 04/29/08 Tue

>Here is the latest update on my well problem.
>
>I was taking Fred's route about adding an additional
>zone to relieve the demand for water per zone which is
>currently 18GPM. But then I decided to try something
>else first I put new nozzels on all of the large heads
>this reduced water demand by as much as 30% to 40% per
>zone. This appeared to be working for about a week.
>
>Also I did a a test. I was told by the pump
>manufacturer that I had an suction leak. And to detect
>it use foaming shaving cream. I tried this but did not
>see any leaks. Anyway the well appeared to be doing
>better.
>
>Then today after letting the pump sit for two days, I
>started it up. It took 25 minutes to get the pump to
>prime. I never let it get hot, I have a hosebib on the
>outflow and pumped water back into the pump. Then when
>it finally primed the pressure never got above 20psi
>and it is surging again. What in the world is wrong
>with this well? Is this a suction leak, a bad check
>valve? Any help would be greatly appreciated.
>
>By the way R.Staudt what type of nozzel or fitting do
>you use on the air compressor when developing the well
>this way?
>
>Jerry
Jerry ,
No special nozzel or fitting is needed.We use Chicago fittings but you can use standard pipe thread fittings.
Have a high pressure hose connect to the compressor and the other end, to 1/2'' or 3/4 '' galvanized or black iron pipe which is submerged in the well.The end that is in the well should be unrestricted to deliver as much air as possible.A ball valve is good to add to the air line because as you turn the valve on and off the column of water will fall back into the well through the screen. By reversing the flow you will more fully develope the well.
Use common sense and caution. An air hose that breaks free due to poor connections will become an uncontrollable projectile, also don't develope a potable well with this system unless you have something to filter the air from the compressor. You could possibly introduce contaminants (oil from lubricating the compressor) into the well

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Replies:

Subject Author Date

Re: New Sprinkler Pump Pressure Problem Vey 17:17:17 04/29/08 Tue

Re: New Sprinkler Pump Pressure Problem Jerry 05:57:45 05/01/08 Thu

Re: New Sprinkler Pump Pressure Problem -- Vey, 20:26:42 05/04/08 Sun

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>>Here is the latest update on my well problem. >> >>I was taking Fred's route about adding an additional >>zone to relieve the demand for water per zone which is >>currently 18GPM. But then I decided to try something >>else first I put new nozzels on all of the large heads >>this reduced water demand by as much as 30% to 40% per >>zone. This appeared to be working for about a week. >> >>Also I did a a test. I was told by the pump >>manufacturer that I had an suction leak. And to detect >>it use foaming shaving cream. I tried this but did not >>see any leaks. Anyway the well appeared to be doing >>better. >> >>Then today after letting the pump sit for two days, I >>started it up. It took 25 minutes to get the pump to >>prime. I never let it get hot, I have a hosebib on the >>outflow and pumped water back into the pump. Then when >>it finally primed the pressure never got above 20psi >>and it is surging again. What in the world is wrong >>with this well? Is this a suction leak, a bad check >>valve? Any help would be greatly appreciated. >> >>By the way R.Staudt what type of nozzel or fitting do >>you use on the air compressor when developing the well >>this way? >> >>Jerry >Jerry , >No special nozzel or fitting is needed.We use Chicago >fittings but you can use standard pipe thread fittings. >Have a high pressure hose connect to the compressor >and the other end, to 1/2'' or 3/4 '' galvanized or >black iron pipe which is submerged in the well.The end >that is in the well should be unrestricted to deliver >as much air as possible.A ball valve is good to add to >the air line because as you turn the valve on and off >the column of water will fall back into the well >through the screen. By reversing the flow you will >more fully develope the well. >Use common sense and caution. An air hose that breaks >free due to poor connections will become an >uncontrollable projectile, also don't develope a >potable well with this system unless you have >something to filter the air from the compressor. You >could possibly introduce contaminants (oil from >lubricating the compressor) into the well

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