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N202M Flexible Impeller Pumps

The N202M bronze impeller pumps include a convenient drain plug, 2 or 5 bolt flange mounting, slotted shaft drive or male tang drive, up direction in and out ports and large drain and vent openings. Standard impellers are built out of neoprene rubber, while optional impellers can be constructed of nitrile. Flexible blades on the periphery of the impeller provide the pumping action. While the impeller rotates the liquid between the blades is continuously squeezed out into the discharge port by a machined in cam located inside the pump chamber.