TFT’s Jumbo Short Ball Intake Valve has a huge 5.25" (133
mm) diameter waterway giving low friction loss to maximize flow.
Friction loss is only 3 psi at 2,000 gpm (0.2 bar @ 7,600 l/min). This
series is designed for use 3.5", 4", 4.5", 5" or 6" (89, 100, 115, 125
or 150mm) hose include a parallel shaft handle.