Key Specifications / Parameters Specification Detail Valve Series / Model Fisher GX Control Valve & Actuator System Actuator Size 750 (larger multi‑spring pneumatic actuator in the GX family) Valve Body Sizes DN 15 to DN 150 (NPS ½ to NPS 6) Pressure/Rating Up to ~51.7 bar (750 psig) for many GX versions (with proper actuator) End Connections Flanged; EN: PN 10/16/25/40; ASME: Class 150/300 Flow Characteristics Equal percentage or linear; special trims for noise & cavitation Shut‑off Capability Metal‐to‐metal seats standard (Class IV); optional Class V or soft‑seat Class VI Materials of Construction Carbon steel, stainless steel, duplex/alloy options; full trim options Service Conditions Supported General service, corrosive, low‑flow, cavitation/noise mitigation Actuator Air Supply Typical 4.0‑6.0 bar (58‑87 psig); optional lower ranges supported Maintenance / Features Replaceable trim, live‑loaded packing, large common parts across sizes
