Niagara OF4" (100MM Oil Filled) Submersible pump sets are specially designed, with the use of latest manufacturing techniques. Years of experience, superior design and better manufacturing techniques have resulted into development of this range of pump sets, which are efficient and reliable in operation. Strict quality assurance standards during the total process assure trouble free and reliability in operation requiring minimum maintenance. Elevated starting torque, mechanical Compactness, superior performance together with most complete range of Products are the principal feature making the OF4" Series Pump Sets. The special design allow an easy access and replacement of all parts subject to the Wear marking simply and quick the eventual servicing of The Pump Sets.