Sigma Motor Inc

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Established in 1951, Sigmamotor Inc. is an innovator and one of the leading companies specializing in medical pumping technologies in the United States. Based in Middleport, N.Y., the firm developed the first peristaltic blood pump for open heart surgery, the first infusion pump, the first blood pump used in kidney dialysis and the first of the tumor perfusion units. It offers a wide range of products, including backpressure valves, pressure relief valves, calibration products for water disinfection and chemical dosing. The company's products are widely used as vital components in chemical feed systems, as well as industrial, pharmaceutical, food and beverage and medical applications. Sigmamotor Inc also owns a CNC (computer numerical controlled) machining facility.