Author Archives: ndnimda

Control Valves

Control Valves

Sizing & Performance IEC 60534-2-1 / ISA 75.01 Cv sizing; IEC 60534-8 noise/cavitation prediction Characteristics: equal-percentage, linear, quick-open; rangeability & resolution Seat leakage: FCI 70-2 (Classes I–VI) Valve Families Globe (single/multi-stage, low-noise/cavitation trims) Ball (floating/trunnion, segment) Butterfly (double/triple-offset metal-seated) Angle & severe-service (anti-cavitation, anti-erosion) Compliance & Options Fugitive emissions: ISO 15848-1, API 624 Fire-safe: API […]