Kingston Model 301AC Pneumatic Control Valve is a pneumatic control valve for operating single acting cylinders, rams, lifts, etc. It is constructed from cast brass with stainless steel springs and Buna-N seals. The Kingston Model 301AC Pneumatic Control Valve is equipped with a “dead man” control lever that is normally in neutral or “off” position. Air control is achieved by moving lever to inlet or exhaust stems. All parts subject to wear can be easily and inexpensively replaced when necessary. Maximum operating pressure 200 psi.