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| You will want a way to vent the air out to insure that your pipe doesn’t get air locked at the high point. Typically an automatic valve would be used like Russ showed (those work great BTW, use them a lot). But they have a minimum sealing pressure (5 psi). I would be concerned that it would not seal reliably, especially if it is near the top end.
Lots of ways to skin this cat. If you want this to be a frost proof, year around set up, you can simply put use a frost proof hydrant or a curb stop. Open it when you start filling the line, close it when you get water out.
If you don’t need it to be frost proof, you can use a vertical pipe open to the atmosphere, tall enough to be above the hydraulic potential. Or you can bring a pipe up to grade and put a ball valve on the end. Open when filling, close when water comes out.
Doesn’t have to be complicated at all. | |
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