DEMA Is A Leading Supplier Of Chemical Dispensing Systems, Fluid Control Devices And Industrial Solenoid Valves, Strainers, Pumps And Injectors For Virtually Any Industrial, Institutional And Professional Market. Our institutional systems address the housekeeping, food service, food processing, warewash and laundry markets plus many other industries where precise metering of fluids is critical. DEMA industrial products answer the needs of the car wash, beverage, dairy, agriculture, irrigation, plant and design engineering marketplaces. DEMA uses state of the art venturi technology, peristaltic pumps and water driven proportional pumps for superior dilution control in chemical and fluid metering.