Key Specifications / Parameters Specification Detail Valve Series Fisher GX Control Valve & Actuator System Valve Size NPS ½ (nominal ½‑inch) Pressure Rating ASME Class 150 and Class 300 for flanged end‑connections; international ratings also supported End Connections Raised face flanged per ASME B16.5 or equivalent international standard Flow Characteristics Equal‑percentage or linear; special trims for low‑flow or micro‑flow applications Shut‑off Class Metal‑to‑metal seats: Class IV; optional Class V; soft‑seat option: Class VI Body/Bonnet Material Options Carbon steel or stainless steel standard; alloy options available for corrosive service Service Conditions Supported General service, corrosive service, low‑flow, noise/cavitation mitigation, small‑bore process control