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D684 Series Servo-Proportional Valve Products
Valve Construction:
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.
Typical Applications:
Die Casting, Presses
Technical Data:
- Port Pattern: ISO 4401 - 08 -07 - 0 - 94
- Rated Flow (@ 150 psi [10.5 bar] pressure drop): 145 gpm [10.5 l/min]
- Rated Flow (@ 1000 psi [70 bar] pressure drop):374 gpm [1416 l/min]
- Operating Pressure: 5000 psi [350 bar]
- Step Response (@ 3000 psi [210 bar] for 100% stroke): 12/16 ms
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