Low Price Isw 5hp High Flow Rate Centrifugal Open Type Impeller 800 Gpm

Low Price Isw 5hp High Flow Rate Centrifugal Open Type Impeller 800 Gpm

Figure 1. A pump jack in an oil field. [1] A pump jack is a device used in the petroleum industry to extract crude oil from a oil well where there is not high enough pressure in the well to force the oil to the surface. These pump jacks physically extract the oil for use. [2] Pump jacks and oil derricks are commonly confused, but are not the same. Pump jacks operate by creating something known.