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GX 3-way Control Valve and Actuator System Description - FISHER - #9

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Product Bulletin

51.1:GX 3-WayFebruary 2009

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

Principle of Operation - GX 3-Way Actuator

AIR VENT AIR SUPPLY AIR SUPPLY AIR VENT FAIL-DOWN(STANDARD CONFIGURATION)FAIL-UP(OPTIONAL CONFIGURATION)
E0896-2/IL

Figure 12. Fisher GX 3-Way Principle of Operation -- Actuator Fail Position

Integrated Air Supply. When mounted with theDVC2000 digital valve controller, the GX 3-Wayuses an integrated actuator air supply system. In thefail-down configuration, air is supplied to the loweractuator casing via a port on the actuator yoke face-- no tubing is required. In the fail-up configuration,air is supplied to the upper casing via tubing.

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