Series D671 and D672 - Pilot Operated Servo Valves for flow control with analog and optional fieldbus interface
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Features:
- Optimized design of valve bodies for high rated flow
- Integrated digital electronics for high flexibility
- Robust single or 2-stage ServoJet® pilot valves
- Excellent dynamic response due to improved pilot stages
- Different options for loss of power supply available
| Specifications | ||
| D671 | D672 | |
| Control Functions | Flow, Pressure, Flow&Pressure (p/Q), Axis (Position, Velocity, Force) | |
| Mounting Pattern | ISO 4401 Size 05 (NG10) | ISO 4401 Size 07 (NG16) |
| Hydraulic Data | ||
| Rated Flow at ∆p 35 bar (500 psi) per land | 20 to 180 l/min (5.3 to 47.6 gpm) |
160 to 240 l/min (42.3 to 63.4 gpm) |
| Maximum Flow | 250 l/min (66 gpm) | 450 l/min (118.9 gpm) |
| Maximum Operating Pressure | Port P, A, B - 350 bar (5,000 psi) | |
| Port T with Y internal - 210 bar (3,000 psi) | ||
| Port T with Y external - 250 bar (3,600 psi) | Port T with Y external - 350 bar (5,000 psi) | |
| Step Response Time for 0 to 100% Step | 7 to 19 ms | 7 ms |
| Electrical Data | ||
| Supply Voltage | 24 VDC (18 to 32 VDC) | |
| Rated Signal Options | +/-10 V, +/-10 mA and 4 to 20 mA | |
| Electrical Connectors | 6+PE | |
| Options | ||
| Interfaces | Fieldbus Inerface | |
| Additional Analoge Transducer Interfaces | ||
