Key Specifications / Parameters Parameter Description / Value Product Name & Series Fisher GX Control Valve & Actuator System Valve Size NPS 1 (1‑inch nominal pipe size) Valve Type Single‑port globe‑style, sliding‑stem control valve Flow Direction Normally “flow‐up” (in standard trim) for many sizes Flow Characteristics Equal‑percentage or linear trim options Shut‑off Class Metal‑to‑metal seating standard (Class IV), optional Class V or PTFE soft seat for Class VI Body Pressure Ratings For GX series: ASME Class 150 / Class 300 (for NPS sizes including 1) End Connections Raised‑face flanged per ASME B16.5 (for NPS sizes) Materials Standard: carbon steel or stainless steel body/bonnet. Alloy options available for corrosive service Trim and Seat Options Metal‑to‐metal, soft‑seat PTFE, hard‑faced/stellite for erosive service Special Features Balanced or unbalanced plug designs depending on size and pressure drop; actuator integrated; live‑loaded packing; optional bellows for tight stem sealing Application Range Liquids, gases, vapors; general service, corrosive service, low‑flow, noise/cavitation control etc. Valve Sizes (GX family) NPS ½, ¾, 1, 1½, 2, 3, 4, 6 (GX family covers this range)