Re: Well tank

Posted by Mark - IN. on September 12, 2015 at 18:24:49 from (98.206.242.17):

In Reply to: Well tank posted by John in La on September 12, 2015 at 16:03:51:

In my house, I have a 60 gallon bladder tank used with my deep well, and it works just fine. However, I've used a charged tank like yours most of my life, and they do require maintenance. The switch that your pump uses and you have a photo of, is spring pressure loaded that simulates on the average of 40 - 60 pounds shutoff pressure, often about 25 - 30 pounds cut on pressure. Its adjustable. That meter is pretty straight forward, tank pressure. Below your switch, I can see the charge valve used for pressuring the tank with air. That isn't where I would have put it, but it will work there. Its just that when you go to pressurize the tank at that point, water will spray out initially because lets face it, the valve is well below the air level line, under water. No big deal. Older charge tanks like yours are merely steel tanks that wear and rust with time, but generally are good for decades if properly maintained. The inlets and outlets on your tank are located best, as low as possible because when the tank fills, the rushing water tends to churn, mix, and when it does, air gets mixed in with the water, and that's how a tank loses pressure...especially when discharging water as the pump is running, air and water mixing, and out the discharge it goes. So for that reason, its best to keep the discharge as low as possible since the air will tend to rise, and rise as the water and air separate as things calm down. This is a picture that I've posted before of a shallow well and tank that I have in one of my barns. I went with a charged tank, not bladder for a reason. I live in northern Indiana and empty my tank and lines for the winter where the temps often get below 0 degrees. I can do that with my charged tank, but am not comfortable doing that to a bladder tank and allowing it to set frozen with some water left in it, not knowing what the ice will do to the bladder. My tank is 60 gallons lined with fiberglass, so I don't need to worry about it rusting from the inside, nor the outside anymore so than a bladder tank. Because of the placement of my inlets and outlets, I went as low as possible on both, lowest on the outlet/discharge to keep it as far from the air as possible to decrease the chances of water logging...losing air mixed in with the water. From this photo, you can see the charge from the pump. The discharge is on the backside, and if you look real close, you can just see the discharge pipe, low between the tank and compressor running against the wall.

Good luck.

Mark

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