Servovalves & Servo-Proportional Valves
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D684 Series Servo-Proportional Valves
D684 Series Servo-Proportional Valves
Electrical Feedback
Valve Description
A Two-Stage Proportional Control Valve with a Direct Drive (D633 Series) Pilot Stage. An LVDT is attached to the spool to provide spool position feedback. An internal loop is closed around the spool position.
Applications
- Die Casting
- Presses
Technical Data
| Port Pattern | Rated Flow (@ 150 psi [10.5 bar]pressure drop) | Rated Flow (@ 1000 psi [70 bar] pressure drop) | Step Response (@ 3000 psi [210 bar] for 100% stroke) | |
|---|---|---|---|---|
| ISO 4401 - 08 -07 - 0 - 94 | 145 gpm [10.5 l/min] | 374 gpm [1416 l/min] | 12/16 ms |
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