Fisher YD and YS 3‐Way Valves - Emerson

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Instruction Manual YD and YS Valves D100425X012 July 2017. Fisher YD and YS 3 Way Valves Contents Figure 1. Fisher YD Valve with 667 Actuator Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. Scope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2. Educational Services . . . . . . . . . . . . . . . . . . . . . . . . . 2. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3. Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4. Packing Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . 5. Packing Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 6. Packing Replacement . . . . . . . . . . . . . . . . . . . . . 6. Trim Maintenance.

www.Fisher.com Fisher™ YD and YS 3‐Way Valves Contents Introduction ..... 1 Scope of Manual ..... 1 Specifications ..... 2

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