![]() ![]() They are widely used in chemical processing plants and oil refineries. Centrifugal pumps are inexpensive and can handle large amounts of fluid. The curved ends of the blades sweep the fluid to an outlet port. Fluid enters the pump at the center of the impeller and travels out along the blades due to centrifugal (outward) force. As the impeller rotates, it creates suction that draws a continuous flow of fluid through an inlet pipe. Before most centrifugal pumps can start pumping liquid, they must be primed (filled with liquid). The impeller is a wheel of curved blades that rotates on an axis. Dynamic pumps Centrifugal pumps consist of a motor-driven propeller like device, called an impeller, which is contained within a circular housing. Positive Displacement Pump: Positive displacement pumps, on the other hand, trap individual portions of fluid that are in an enclosed area before moving them along. Types of Pumps Dynamic Pump: Dynamic pumps maintain a steady flow of fluid. Gas pumps are also called compressors, fans, or blowers. ![]() Most pumps are made of steel, but some are made of glass or plastic. The fluids (gases or liquids) moved by pumps range from air for inflating bicycle tires to liquid sodium and liquid potassium for cooling nuclear reactors. Pumps are used in a variety of machines and other devices, including home heating systems, refrigerators, oil wells and water wells, and turbojet and car engines. ![]() Pump is a device that moves or compresses liquids and gases. ![]()
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