- Model NO.: FF-131
- Precision Control: Custom Design
- Rated Current: 15 or 40mA
- Affordable Replacement for Moog: Moog G761
- Specification: national standard
- HS Code: 848120
- Power: Hydraulic
- Leading Manufacturer and Supplier: Precision Control System and Product
- Rated Flow: 6.5, 16.5, 32.5, 50, 65 or 100 L/Min
- Trademark: 609
- Origin: Nanjing China
Double flapper-nozzle force feedback, two stage electro-hydraulic flow control servo valve
Affordable Replacement for Moog G761
Features
- Quality performance, high dynamic response, reliable operation and long life.
- Die forging aluminum body, compact design and light weight.
- Mechanical null adjustment. If necessary, this facility can be mechanically adjusted by customers.
- Protection filter easy to replace.
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Performance data:
| ITEM | MODEL FF-131/100 | MODEL FF-131/101 | MODEL FF-131/102 | MODEL FF-131/125 | MODEL FF-131/103 | MODEL FF-131/104 | |
| SUPPLY PRESSURE[MPa] | 1.4~21( 28 allowable) | ||||||
| Â RATED SUPPLY PRESSURE Ps[MPa] | 21 (28 allowable) | ||||||
| RATED FLOW Qn[L/min] | 6.5 | 16.5 | 32.5 | 50 | 65 | 100 | |
| RATED CURRENT In [mA] | 15 | 15 | 15 | 15 | 15 | 40 | |
| HYSTERESIS [ % ] |  ≤3 |  ≤3 |  ≤3 |  ≤3 |  ≤3 |  ≤3 | |
| THRESHOLD [ % ] | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | |
| LINEARITY[ % ] | ≤7.5 | ≤7.5 | ≤7.5 | ≤7.5 | ≤7.5 | ≤7.5 | |
| SYMMETRY[ % ] | ≤10 | ≤10 | ≤10 | ≤10 | ≤10 | ≤10 | |
| PRESSURE GAIN[%Ps/1% In] | >30 | >30 | >30 | >30 | >30 | >30 | |
| INTERNAL LEAKAGE[L/min](7MPa) | 0.7 | 0.9 | 1.4 | 2 | 3 | 3 | |
| NULL BIAS[ % ] | ≤±3 | ≤±3 | ≤±3 | ≤±3 | ≤±3 | ≤±3 | |
| NULL SHIFT WITH SUPPLY PRESSURE (80~110% Ps)[ % ] | ≤±2 | ≤±2 | ≤±2 | ≤±2 | ≤±2 | ≤±2 | |
| NULL SHIFT WITH RETURN PRESSURE (0~20% Ps)[ % ] | ≤±2 | ≤±2 | ≤±2 | ≤±2 | ≤±2 | ≤±2 | |
| NULL SHIFT WITH TEMPERATURE (FOR EACH CHANGE OF 56ºC)[ % ] | ≤±4 | ≤±4 | ≤±4 | ≤±4 | ≤±4 | ≤±4 | |
| FREQUENCE RESPONSE | AMPLITUDE RATIO WITH (-3dB)[ Hz ] | ≥100 | ≥100 | ≥100 | ≥100 | ≥100 | ≥100 |
| PHASE LAG WITH (-90°)[ Hz ] | ≥100 | ≥100 | ≥100 | ≥100 | ≥100 | ≥100 | |
| WORKING TEMPRETURE[ ºC ] | -30~ +100 | -30~ +100 | -30~ +100 | -30~ +100 | -30~ +100 | -30~ +100 | |
| NET WEIGHT[ kg ] | 1 | 1 | 1 | 1 | 1 | 1 | |
 Rated current, coil resistance and inductance
| RESISTANCE OF EACH COIL AT 20ºC(Ω) | RATED CURRENT (mA) | PROXIMATE COIL INDUCTANCE(H) | |||||
| Differential, parallel or individual coils | series | series | |||||
| FF-131/100 | 200 | 15 | 7.5 | ≈5 | |||
| FF-131/101 | 200 | 15 | 7.5 | ≈5 | |||
| FF-131/102 | 200 | 15 | 7.5 | ≈5 | |||
| FF-131/125 | 200 | 15 | 7.5 | ≈5 | |||
| FF-131/103 | 200 | 15 | 7.5 | ≈5 | |||
| FF-131/104 | 80 | 40 | 20 | ≈2 | |||