Moog D633-7105 Valve
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Advantages of the Moog D633-7105 Valve
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High Dynamic Response – Fast and accurate control for advanced motion systems.
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Excellent Repeatability – Precision spool and flapper mechanics guarantee stable, consistent performance.
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Low Hysteresis – Ensures accurate flow regulation even under fast-changing load conditions.
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Robust & Durable Design – Engineered for continuous duty with long service life in demanding environments.
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Wide Application Range – Compatible with high-pressure hydraulic systems and precision industrial equipment.
- Energy Efficient Operation – Optimized internal design minimizes energy loss and heat generation.
| Category | Specification / Details |
|---|---|
| Manufacturer | Moog Inc. |
| Model | D633-7105 |
| Series | D633 Electro-Hydraulic Servo Valve |
| Valve Type | Two-stage, flow control, electro-hydraulic servo valve |
| Technology | Nozzle-flapper with precision spool design |
| Mounting Interface | ISO 10372 / CETOP 3 / NG6 |
| Rated Flow | Typically 38–60 L/min at ΔP = 70 bar (varies by configuration) |
| Maximum Operating Pressure | 315 bar (4560 psi) |
| Return Line Pressure | Max 210 bar |
| Supply Voltage | ±15 VDC (standard for D633 series) |
| Command Signal | ±10 V (typical) |
| Coil Resistance | Approx. 40–60 Ω (depending on coil type) |
| Frequency Response | Up to 150–200 Hz @ -90° phase (depending on load pressure & flow) |
| Hysteresis | < 1% of rated current |
| Null Shift | < 1% |
| Internal Leakage | Typically 0.3–0.7 L/min at 70 bar |
| Hydraulic Fluid | Mineral-based hydraulic oil, ISO 32–68 |
| Fluid Temperature Range | -20°C to +80°C |
| Ambient Temperature | -20°C to +75°C |
| Filtration Requirement | ISO 4406: 16/13 or better |
| Response Type | Fast, dynamic response for precision motion control |
| Ports | P, T, A, B |
| Weight | Approx. 1.0–1.5 kg |
| Electrical Connector | 6-pin Mil-C-5015 or DIN options |
| Applications | Injection molding machines, aerospace test stands, industrial automation, motion control systems |
| Special Features | Excellent repeatability, low hysteresis, high accuracy, robust mechanical design |
| Maintenance | Low maintenance; requires clean hydraulic fluid |