Archives: Hilborn

Hilborn Nozzle Size List

Both our Pro-Calcs calculator and our publications illustrate nozzle sizes in diameter.  Hilborn FI nozzles are stamped in flow numbers.  A list is provided showing: Hilborn nozzle flow numbers (times 0.01 equals flow in GPM) approximate nozzle diameter in inches (from Don Enriquez, Hilborn) pressure calibration value called volume area factor or VA factor that […]