US Manufacturer Of Centrifugal Sealless Magnetic Drive Pumps for Chemical, Industrial, Medical, Marine, Solar and OEM applications. The March Pumps come in Flows from 1/2 gpm to 200 gpm with heads up to 160 feet. They are available in plastic and metallic construction with AC, DC, Explosion Proof, or Air Motors. The March pumps are also Submersible and Non-Submersible.