NOS. Pneumatic Valve Actuator, Operating PSI Range 0 to 25, Max. Air Pressure 25 psi, Stroke 3/4 in, Nominal Spring Range 3 to 13 psi, Length 3 3/4 in, Width 4 13/32 in, Height 3 11/16 in, For Use With Mfr. No. VG7000 Globe Valves.