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Product Bulletin

GX 3-way Control Valve and Actuator System Description - 14722 GX 3-Way Valve and Actuator

51.1:GX 3-WayFebruary 2009
COMPACT FIELD-REVERSIBLEMULTI-SPRING ACTUATOR INTEGRATED POSITIONERMOUNTINGNAMUR POSITIONERMOUNTING CAPABILITYONE-PIECE SCREWEDPACKING FOLLOWER CLAMPED BONNET DESIGN STANDARD LIVE-LOADEDPACKING W9578-1 Figure 2. Fisher GX 3-Way Control Valve Assembly with Port-Guided Contoured Plug (Side Port Common)

Contents

Maximum part commonality across sizes Features 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Principle of Operation 9. . . . . . . . . . . . . . . . . . . . . . GX 3-Way Control Valve Specificationsand Materials of Construction 10. . . . . . . . . . . . The GX 3-Way Diaphragm Actuator 13. . . . . . . . . Valve-Actuator Dimensions and Weights 15. . . . . GX 3-Way Actuator Accessories 16. . . . . . . . . . . . The FIELDVUE DVC2000Digital Valve Controller 16. . . . . . . . . . . . . . . . . . Optional Positioners and Instruments 17. . . . . . . . Replaceable trim Low lifetime costs Robust, low-profile design Available with integrated, easy-to-calibrate DVC2000 digital valve controller Valve body sizes DN 25 to DN 100 (NPS 1 through 4)

Features

Pressure Classes PN 10-40, CL150 and 300 Easy to size and select High capacity design No actuator sizing required--selection is automatic Valve body flow passage optimized for flow stability Engineered for easy maintenance Shutoff capabilities: Class IV metal to metal
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