I would be using it to regulate the nutrient solution pressure coming out of a pressure accumulator prior to the solenoids and nozzles. So it would be relatively low volume centered around 100 psi + or - 20 psi.
I'm having a hell of a time trying to find a stainless steel pressure regulator for use with liquids (water specifically) with upper pressure range of only 150 psi that doesn't cost hundreds of dollars.
I have come across the Watts P60 regulator that has a plastic body with SS internals, so I...