Water pressure regulator -- Fail?
We just got back from a great trip to Cheyenne Mtn State Park. But here's the thing.... At all our stops we had water hook up. I used a water regulator with a gauge...hoping to get a read on the p...
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I would love to see a flow/pressure chart to prove what the performance characteristics are, but I have been unable to find anything for these cheapie "regulators". I'd also be interested in seeing a cross-sectional diagram if someone thinks there is something other than a hole inside these things. I would say there is a reason why they don't publish this info.
I have an Aqua Pro regulator in front of me and it has a small hole in it and it's only visible from one end. You can't see daylight through it because it has a sort of diverter "plate" at one end which is fixed in place and behind the filter screen if you remove it. The hole appears to be less than 1/16". If you look down the barrel, the internal part from where the hole is to the opposite side where the plate is, is only about 1/4" long - no room for a regulating mechanism.
These are all basically identical with a hole in them. There is definitely no diaphragm and no spring that together control pressure.
The diagram in this link shows how a typical fixed orifice "regulator" works. They don't even call it a regulator, they call it a restrictor. Note that the outlet pressure depends entirely on what the flow is and that the lower the flow is, the closer the outlet pressure is to the inlet pressure and to the point with zero flow, the pressure is the same on both sides of the "regulator". fixed orifice flow/pressure diagram
I have an Aqua Pro regulator in front of me and it has a small hole in it and it's only visible from one end. You can't see daylight through it because it has a sort of diverter "plate" at one end which is fixed in place and behind the filter screen if you remove it. The hole appears to be less than 1/16". If you look down the barrel, the internal part from where the hole is to the opposite side where the plate is, is only about 1/4" long - no room for a regulating mechanism.
These are all basically identical with a hole in them. There is definitely no diaphragm and no spring that together control pressure.
The diagram in this link shows how a typical fixed orifice "regulator" works. They don't even call it a regulator, they call it a restrictor. Note that the outlet pressure depends entirely on what the flow is and that the lower the flow is, the closer the outlet pressure is to the inlet pressure and to the point with zero flow, the pressure is the same on both sides of the "regulator". fixed orifice flow/pressure diagram
