Paharpur Cooling Towers Ltd. Manufactures Cooling Tower with Single-Flow Design. Paharpur Cooling Towers Ltd. Is an ISO 9001 certified company. The company manufactures Cooling Towers and Air Cooled Heat Exchangers. The Cooling Tower with Single-Flow Design has inert material used in structural and functional components are specifically designed for cooling tower application. These towers are ideal for use in intermediate size air-conditioning systems and industrial duty. The Cooling Tower with Single-Flow Design has a low silhouette and minimum plan area together with high capacity per cubic foot is major design advantages.