78 Series Servo Valves
Direct-Operated Flow Control for Analog Signals
- 2-stage flow control Mechanical Feedback (MFB) Valve
- Low friction double nozzle pilot stage for high dynamics, high resolution and low hysteresis
- Rugged, long-life design suitable for a wide range of machines
- Intrinsically-safe (78K) or flameproof versions (78 N) available for applications requiring products certified for potentially hazardous environments
- Field-replaceable pilot-stage filter for ease of maintenance
| Specifications | |
|---|---|
| Hydraulic Data | |
| Rated Flow* |
75 to 150 l/min (20 to 40 gpm) |
| Standard Configurations | 75, 115, 150 l/min (20, 30, 40 gpm) |
| Max. Operating Pressure | 210 bar (3,000 psi) |
| Performance Data | |
| 100% Step Response** | 15 to 40 ms |
| Frequency Response*** | 45 to 70 Hz |
| Electrical Data | |
| Rated Signal**** | 8 to 200 mA |
| Standard Configurations | 8, 15, 40, 100 mA |
| Physical Data | |
| Size (Mounting Pattern) |
Moog Standard |
| Weight | 2.9 kg (6.3 lbs) |
| Additional Options | Intrinsically Safe, Exposion Proof, High Null Bias, Reverse Polarity, Magnetic Null Adjust, Vented Motor Cap Contact Industrial Application Engineering for additional Flow, Pressure and other options |
* @ ∆p 70 bar (1,000 psi)
** Response at 3,000 psi System Pressure
*** at 90° Phase Lag
**** Single Coil
Contact Moog Industrial
Product Service & Repairs
Literature
Product Line Overview - Mechanical Feedback Servo Valves
Overview - Electro- Hydraulic Products
Catalog - 78 Series Servo Valves
Datasheet - Servo Valve Hazardous Location Certifications
Installation Drawings
Manuals
