Profile: Castel Assocs., Inc. specializes in offering pumps, mixers and speciality products. Our pumps include centrifugal pumps, positive displacement pumps and vacuum pumps & system. Centrifugal pumps include portable drum pumps & mixers with capacities to 40 gpm, heads to 80 ft., up to 100,000 cP. It is of vertical and horizontal stainless and hast. It also includes C sealed centrifugals and plastic & plastic lined sealless magnetic drive pumps.