DANIELTM MODEL 788DVC DIGITAL CONTROL VALVES | D E C 2012 |
6.Lift off the cylinder head by taking out the socket screws.
7.Remove and inspect all
Figure 5-1. Using the Piston to Insert the Seat Ring into the 150/300 lb. Cylinder
Table 5-l. Typical Opening/Closing Speed
| Typical | Recommended Low Flow | Typical | Typical | Typical | Typical | |||
Line | Dead |
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| Opening | Opening | Closing | Closing |
Size | Time |
| Turbine | PD Meter | Speed | Time | Speed | Time | |
Inches | Setting |
| Adjust- | Adjust- | (Full | ||||
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| ||||||
| (Seconds) |
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|
|
| ment | to Full | ment | Open to |
|
| gpm | gpm | (Turns | Open) | (Turns | |||
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|
|
|
| Open) | Seconds | Open) | Seconds |
0.015 | 100 | 50 | 100 | 100 | 0.25 | 5.0 | 0.75 | 2.0 | |
4 | 0.015 | 150 | 25 | 150 | 25 | 0.25 | 5.0 | 0.75 | 2.0 |
6 | 0.030 | 150 | 25 | 150 | 25 | 0.75 | 5.0 | 1.25 | 2.0 |
8 | 0.030 | 150 | 25 | 150 | 25 | 0.75 | 5.0 | 1.25 | 2.0 |
DISASSEMBLY AND REASSEMBLY |