Emerson Digital Controller Valves 788 DVC Manuale delle Istruzioni Scaricare il pdf (Pagina 10)

DEC 2012 DANIEL MODEL 788DVC DIGITAL CONTROL VALVES

TABLE OF CONTENTSii

Figures

2-1 Closed Position ....................................................... 2-2

2-2 Open - Control Position................................................. 2-3

2-3 Open Position (no control)............................................... 2-4

3-1 Flow vs Pressure Drop.................................................. 3-3

3-2 Dimensions .......................................................... 3-6

4-1 Typical Application - Bottom Loading ..................................... 4-4

4-2 Solenoid Actuation Adjustments .......................................... 4-5

4-3 Control Valve Configuration (new for DL8000) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6

5-1 Using the Piston to Insert the Seat Ring into the 150/300 lb. Cylinder . . . . . . . . . . . . . 5-3

5-2 Cylinder Assembly Removal ............................................. 5-4

5-3 Option Assembly ...................................................... 5-6

7-1 Valve Cylinder Assembly ............................................... 7-4

Tables

3-1 Solenoid Electrical Data (150 lb. MOPD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

3-2 Maximum Working Pressure............................................. 3-5

3-3 Dimensions .......................................................... 3-7

5-1 Typical Opening/Closing Speed .......................................... 5-3

6-1 Troubleshooting ...................................................... 6-2

7-1 Parts List ............................................................ 7-2

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 47 48

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Emerson Digital Controller Valves 788 DVC Manuale delle Istruzioni Pagina 10