Pumps made by Hamgam Sanat are centrifuge type. According to API 610 standard classification, these pumps are placed in the set of OH and VS pumps. The OH pumps are of the overhung type which are classified into six types based on their coupling and mounting (horizontal or vertical) and type of installation. The power range of these pumps is up to 375 kW (500 hp). Overhung horizontal pumps are in the form of Foot Mounted and Centerline Mounted. VS pumps are much smaller in size and volume than horizontal pumps. These pumps are used to convey fluid from the bottom of the tank, where horizontal pumps are not applicable.