The Roper 3722MBHFRV-16027-3A is a specialized 3-inch helical gear pump from the 3700 series with a displacement of 22 gallons per 100 revolutions, featuring flanged NPT ports with an outboard bearing, viton mechanical seal, and an internal relief valve. This heavy-duty 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 premium stainless steel gears, carbon bearings, and precision-ground stainless steel shafts with stainless steel keys for maximum durability and corrosion resistance in demanding chemical and industrial applications. Additionally, this specialized 16207 model includes advanced sealing technology with viton mechanical seal and viton o-ring on sta seat for superior chemical compatibility and leak-proof performance.