SigmaMotor Inc. is a leading innovator in pumping technologies, providing precision CNC machined products for water disinfection and chemical dosing, as well as a variety of other industrial, pharmaceutical, food and beverage, and medical applications. Our products include back pressure valves, pressure relief valves, and calibration products, and are widely used in chemical feed systems for treatment and disinfection of drinking water. We are well-equipped with CNC lathes and mills, as well as conventional tools, and have a thorough inspection department that ensures parts are inspected by process before they are shipped. Additionally, we do prototype work and mechanical assembly.