The ASCO Series 202 Posiflow solenoid valves are designed to proportionally control the flow of air and inert gases by varying the electrical input signal to the coil; Body Material: Brass - Nickel Plated; Engineered Plastics; Stainless Steel; Media: Air, Inert Gas

The ASCO Series 203 is a line of Posiflow proportional solenoid valves that are designed for use in air/gas, low-vacuum service and to precisely control the flow of water; Body Material: Brass; Media: Air, Inert Gas, Light Oil, Water