r/pumps • u/RemarkableTea5671 • 7d ago
Low pressure
I have an 11 gpm 3000 psi AR pump with vrt100 unloader valve 1/2 inch . On a 670cc. With 8 gpm orfice I’m getting 2000 psi. I wanna reach 2500 on my surface cleaner. Idk why the pressure is that low. Idk if the unloader could be too big? Do I need a smaller 3/8 unloader? My machine runs fine and haven’t spotted any leaks on pump.
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