3743HBFRV-5528-3A - - LJI Part: 3743HBFRV5528

The Roper 3743HBFRV-5528-3A is a specialized 3-inch heavy-duty helical gear pump from the 3700 series with a displacement of 43 gallons per 100 revolutions, featuring flanged NPT ports with an outboard bearing, viton mechanical seal, and an internal relief valve. This rugged pump operates efficiently in both directions and effectively handles heavy, viscous materials such as asphalt, molasses, roofing compounds, and printing inks, as well as fuel oils and gasoline. Built with cast iron gears, carbon bearings, and precision-ground steel shafts for maximum durability in petroleum transfer and industrial applications. This specialized 5528 model includes enhanced sealing technology with viton mechanical seal and viton o-ring on sta seat for superior chemical compatibility and leak-proof performance in demanding applications.