One of Pillar product line up that suitable to achieve customer efficiency and reliability is Cassette Seal. Cassette seal is fully cartridge seal, easy to install and very good in handling wide range of fluids, from water to chemical and slurry fluid. By using knife edge design on seal face, the knife edge seal has a limited seal surface width, the sliding torque is reduced and the power consumption is decreased, making it possible to reduce the running cost.