Parker BD-Series Servo Valves provide high resolution in the control of position, velocity and force in motion control applications.
Parker BD-Series Servo Valves Features
- Rugged reliable trouble-free operation.
- Reduced contaminant sensitivity.
- Linear flow gain characteristics.
- Intrinsically safe model available.
- Explosion proof model available.
Operation
When used in conjunction with Series BD90 and BD101 servo amplifiers or a motion controller, Series BD valves will provide accurate control of rotary and linear actuators.
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Specification
| Rated Flow | 3.78-151 LPM (1.0-40 GPM) | ||
| Linearity | ≤ 5% | ||
| Hysteresis | ≤ 3% | ||
| Threshold | ≤ 0.5% | ||
| Fluid | Mineral oil, 60-225 SSU, max. 1000 SSU | ||
| Operating Temperature | -1 to +82ºC (+30 to +180ºF) | ||
| Pressure Gain | 3% of spool shift | ||
| Null Shift with temperature with Supply Pressure | <±2% per 38ºC (100ºF), <2% per 69 bar (1000 PSI) | ||
| Quiscent (Std. Spool Lap) | |||
| BD15 – 1.5-2.1 LPM (.40-.55 GPM) | |||
| BD30 – 2.1-3.78 LPM (.55-1.0 GP) | |||
| Step Response | Model | Typical Step Response Input | |
| BD15 | 10 to 90 %, 26 ms | ||
| BD15 | 10 to 90 %, 26 ms | ||
| Pressure Range
For optimum performance, Parker Servo Valves are designed to operate within specific system supply pressure ranges. |
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| System Supply Pressure | |||
| 180-210 Bar | (2600-3000 PSI) | 48-66 Bar | (700-950 PSI) |
| 138-172 Bar | (2000-2500 PSI) | 14-45 Bar | (200-650 PSI) |
| 95-133 Bar | (1400-1950 PSI) | 0-210 Bar | (0-1000 PSI) |
| 68-90 Bar | (1000-1300 PSI) | External Pilot | |
| Filtration | SAE Class 3 or beter, ISO code 17/15/12 | ||
| Protection Class | NEMA 1 (IP54) | ||
