Key Specifications / Parameters Specification Detail Valve Series Fisher GX Control Valve & Actuator System Valve Size DN 20 (nominal 20 mm) Pressure Rating ANSI Class 150 (flanged connection rating) End Connections Raised‑face flanged (standard for ANSI Class 150) Flow Characteristics Equal‑percentage or linear trim options Shut‑off Class Standard: metal‑to‑metal seats (Class IV); optional upgrades to Class V or Class VI depending on trim/materials Body / Bonnet Materials Standard carbon steel or stainless steel; higher‑alloy materials available for corrosive service Trim Options Metal‐hard face, soft‑seat PTFE, noise/cavitation/low‑flow trims Service Conditions Supported General process service, corrosive media, low‑flow/cavitation mitigation Actuator & Accessories Multi‑spring pneumatic actuator; digital or analog positioners available; integrated mounting
