Key Specifications / Parameters Specification Detail Valve Series / Model Fisher GX Control Valve & Actuator System Valve Size NPS 1 (nominal 1‑inch) Pressure Class / Rating ASME Class 300 (flanged body, sliding‑stem) End Connections Raised‑face flanged per ASME B16.5 (for NPS 1, Class 300 builds) Flow Characteristics Equal‑percentage or linear trim options Shut‑off Capability Metal‑to‑metal seat standard (Class IV); optional upgrades (Class V) and soft‑seat (Class VI) Body / Bonnet Materials Standard carbon steel or stainless steel; alloy materials available Trim / Seat Options Metal‑hard faced, soft‑seat PTFE, low‑flow/micro‑flow trims Service Conditions General service, corrosive service, low‑flow, noise/cavitation mitigation Actuator & Accessories Multi‑spring pneumatic actuator integrated; digital valve controller optional Face‑to‑Face / Size Range Size range includes NPS ½ through NPS 6; dimensions align with standards