This listing is for One Fisher GX Control Valve 3 CL150 w/ Actuator System. Fisher GX Control Valve, Actuator, and.FIELDVUE DVC2000 Digital Valve Controller. The GX is a compact, state-of-the-art control valve and actuator system, designed to control a wide range of process gases, vapors, and fluids. The GX is rugged, reliable, and easy to select. It requires no actuator sizing -- the actuator selection is automatic once the valve body construction is selected. The GX meets the requirements of both EN and ASME standards. It's the cheapest here and you will get it fastest from me!! Please DO NOT ASSUME that this item will come with anything that is not described or shown in photos. PLEASE look carefully at ALL photos before purchasing. We are happy to answer any questions you may have.