Profile: Deltech Controls, LLC specializes in flow control valves and valve automation products. Our product line includes butterfly & ball valves, actuators and operators. Our resilient replaceable seat butterfly valve is made of ductile iron, and its stem is zinc plated. Our solenoid valves are coated with aluminum cast powder. Their features include single & dual coils, LED indicators, & weather proof, flameproof and explosion proof coils.