American-Marsh Pumps

American-Marsh Pumps, one of the world's oldest pump manufacturers with roots tracing to 1837 and continuous operation since 1873, is headquartered in Collierville, Tennessee, and has been part of the Wilo family of companies since 2019. They manufacture centrifugal and positive displacement pumps for municipal water supply, industrial process, agricultural irrigation, commercial HVAC, fire protection, and mining applications. Their product lines include the 300 Series REC close-coupled end suction pumps rated up to 9,000 GPM and 450 feet of head; the 310 Series REI inline end suction pumps; the 460 Series OSG process end suction pumps handling up to 5,500 GPM; the 480 Series VT vertical turbine pumps delivering over 30,000 GPM and 2,500-plus feet of head with temperatures to 400°F; the 490 Series SST/SXT self-priming pumps accommodating 3-inch spherical solids with 24-foot suction lift at up to 6,400 GPM; and the TWI/TWU Series submersible dewatering pumps for 4-inch well applications from 5 to 80 GPM. The company operates a 300,000-gallon test lab, CNC machining centers, and computerized balancing equipment with a four-step quality check process including witnessed and non-witnessed certified performance and hydrostatic testing.