Poppet valve types manufactured by Numatics Inc. include solenoid pilot actuated, air pilot actuated, and foot pedal. Available in 2, 3, and 4-way designs, the valves feature Cv from 0.5 to 24, and port sizes of 1/8", 1/4", 3/8", 1/2", 3/4", 1", or 1-1/2".