The 4H230C-S is an AIR VALVE manufactured by STC. This air valve features a momentary operation, spring return/hand draw design, 0-116 PSI pressure range, 1/4 inch NPT size, 3-position operation, and an ABS handle. With its closed center lever and reliable construction, this STC valve provides efficient and accurate control of air flow in pneumatic systems. Ideal for industrial and automation applications, this air valve ensures reliable and efficient pneumatic control.