Delavan 4901C Cast Iron Roller Pump

Delavan Roller PumpModel:  4901CDelavan designs, engineers and manufactures a wide variety of roller pumps to meet the widest ranges of low-volume, moderate-pressure pumping applications.  To ensure the best performance for your investment, we incorporate such features as "Ultra" rollers, heavy-duty sealed bearings, Viton seal rings, stainless steel shafts and rotors, and close tolerance machining.  All are standard.Features: Max flow: 9.2 gpm Max pressure: 150 psi Max speed: 2600 rpm Port sizes: 3/4" NPT  Pump shaft rotation: CW 1/2" hollow shaft (5/8" solid shaft also available)