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| All in all, seemed weird that you were going from 5GPA to like 2GPA, restricted orifices wouldn't make that much of a difference unless they were plugged, or something was wrong with the pump.
Larger orifices would dictate a higher flow rate though.
For the tubes you have, I'm guessing something close to 3/16" ID, so you'd likely be OK to put out upwards of like 0.3 us gpm per row pretty comfortably. for the picture that you send with the paired push-in tube, I'm guessing that the two lines go to the shank from a larger hose, so you'd be somewhere around 0.3 us gpm out of each of those push-in tube lines, assuming ~3/16" ID.
So, I'd suspect there is a restriction somewhere, or the pump isn't doing what it should be.
If you don't have it already, get a pressure gauge somewhere after the pump to see where the pressure is.
If pump pressure is SPIKING hard, suspect a plugged line or plugged orifice (or orifices that are too small, but this would be consistently high pressure, not a spike).
If pump pressure is low, then suspect the pump might be a dud, you do not have orifices in line (doubt this one) and there is no back pressure, or a strainer ahead of the pump (if there is one) is shorting flow to the pump.
If you do have a metering orifice inside that push-in-tube splitter (might be a stainless disk with a hole stamped in it, with a marking with 4916 on it (and other side might have a number/size of it). If that is the case, you can find a volume chart for that metering orifice to see if it is big enough for the flow you want to put down.
All in all, best to know the pressure after the pump as it'll help you troubleshoot if it is a pump thing, metering orifice thing, plugged run thing, strainer thing, etc. | |
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Question on liquid fertilizer orifice size (with picture)
