72 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
- High spool driving forces, rugged design ensures long-life operation
- Dry torque motor
- Optional 5th port for separate pilot supply
- Field-replaceable first stage filter for easier maintenance
Specifications | |
---|---|
Hydraulic Data | |
Rated Flow* |
57 to 225 l/min (15 to 60 gpm) |
Standard Configurations | 95, 150, 225 l/min (25, 40, 60 gpm) |
Max. Operating Pressure | 210, 275, 350 or 480 bar (3,000, 4,000, 5,000 or 7,000 psi) |
Performance Data | |
100% Step Response** | 11 to 33 ms |
Frequency Response*** | 80 to 85 Hz |
Electrical Data | |
Rated Signal**** | 8 to 200 mA |
Standard Configurations | 8, 15, 40 mA |
Physical Data | |
Size (Mounting Pattern) |
Size 6 (ISO 10372-06-05-0-92) |
Weight | 3.5 kg (7.8 lbs) |
Additional Options | Intrinsically Safe, High Null Bias, Magnetic Null Adjust, Reverse Polarity, High Temp Coils, Dual Gain 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
Literature
Overview - Electro-Hydraulic Products
Catalog - 72 Series Servo Valves
Installation Drawing - 72 Series Servo Valves
Manual - 72 Series Servo Valves Installation and Operating Instructions