Vickers DG4V DG5V Series Hydraulic Solenoid Operated Directional Hydraulic Valve DG5V-5 DG5V-7 DG5V-8 DG5V-10 DG5V-7-3C-7-T-P7-H-80-JA289
| Vickers DG4V DG5V Series Hydraulic solenoid operated directional hydraulic valve DG5V-5 DG5V-7 DG5V-8 DG5V-10 DG5V-7-3C-7-T-P7-H-80-JA289 |
| Describe |
| Pilot pressure must always exceed tank line pressure by at least the requisite minimum pilot pressure. This also applies when combining open center spools with internal pilot pressure, but they should be used only with externally drained valves. |
| Internally drained valves may be used only when surges in the tank line cannot possibly overcome the minimum pilot pressure differential referred to above. When the possibility of pressure surges in the tank line exist, externally drained valves are recommended. |
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