WK-HYDRAULIC
WK servo valve SFL317
Servo Valve Cross Reference List
| WK P/N | MOOG P/N |
| SFL218 Series | MOOG 760/761 Series |
| SFL218A Series | MOOG G631 Series |
| SFL218B Series | MOOG 06 Series And P&T EL-T76.00.MO |
| SFL214、216 Series | MOOG 072 Series |
| SFL212A Series | MOOG 30 Series |
| SFL212/B Series | MOOG 31 Series |
| SFZ141 Series | MOOG D633 Series |
| SFZ142 Series | MOOG D634 Series |
| SFL317 Series | MOOG 792 Series |
| SFL316 Series | MOOG 791 Series |
| SFD234 Series | MOOG D661 Series |
SFL317 Three-stage Electro-hydraulic Flow Control Servo Valve
Performance indices
|
Item |
Unit |
Index |
|
| Supply pressure Ps |
MPa |
2～31.5 |
|
|
Rated supply pressure Pn |
MPa |
21 |
|
|
Rated flow Qn() |
L/min |
750 |
|
| Rated current In |
mA |
10 |
|
| Hysteresis |
% |
≤1 |
|
| Null bias |
% |
≤±2.5 |
|
| Internal leakage |
L/min |
≤9.5 |
|
| Nonlinearity |
% |
≤±1 |
|
| Response time |
ms |
≤15 |
|
|
Frequency Response |
Amplitude ratio with (-3dB) |
Hz |
≥100 |
|
Phase lag with (-90°) |
Hz |
≥100 |
|
| Working temperature |
℃ |
-15～100 |
|
| Weight |
kg |
≈17 |
|
Electrical interface
Overall and installation dimensions
Overall dimensions
Installation dimensions
*Requirement: Flatness less than 0.01mm, roughness below .
| P | A | B | T | G | F1 | F2 | F3 | F4 | F5 | F6 | F7 | F8 | |
| ф28 | ф28 | ф28 | ф28 | ф8 | M16 | M16 | M16 | M16 | M16 | M16 | M16 | M16 | |
| X | 55.4 | 15.8 | 95 | 55.4 | 55.4 | 0 | 110.8 | 110.8 | 0 | 31.5 | 79.3 | 79.3 | 31.5 |
| Y | 30.1 | 58.7 | 58.7 | 87.3 | 0 | 0 | 0 | 117.4 | 117.4 | 0 | 0 | 117.4 | 117.4 |
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