631 Series Servo Valves
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Features:
- 2-stage flow control Mechanical Feedback (MFB) Servo valve
- Low friction double nozzle pilot stage for high resolution and low hysteresis
- Rugged, long-life design suitable for a wide range of machines
- Small body size
- Integrated fail-safe options enables machine builders to reduce componentry
- Field-configurable 5th port for separate pilot supply offers greater flexibility
- Field-replaceable first stage disc filter for ease of maintenance
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| Specifications | |
| Hydraulic Data | |
| Rated Flow* | 3.8 to 78听 l/min (1 to 20.7 gpm) |
| Standard Configurations | 5, 10, 20, 40, 60, 75 l/min (1.3, 2.5, 5, 10, 15, 20 gpm) |
| Max. Operating Pressure | 210, 310 or 350 bar (3,000, 4,500 or 5,000 psi) |
| Performance Data | |
| 100% Step Response** | 18 ms |
| Frequency Response*** | 75 Hz |
| Electrical Data | |
| Rated Signal**** | 30 to 150 mA |
| Standard Configurations | 30, 100 mA |
| Physical Data | |
| Size (Mounting Pattern) | Size 05 (ISO 4401-05-05-0-94) |
| Weight |
2.2 kg (4.9 lbs) |
| Additional Options | Intrinsically Safe, Vented Motor Cap, Manual Override, Reverse Polarity Contact Industrial Application Engineering for additional Flow, Pressure and other options |
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* @ 鈭唒 70 bar (1,000 psi)
** Response at 3,000 psi System Pressure
*** at 90掳 Phase Lag
**** Single Coil
