- Model NO.: FF-115A
- Precision Control: Custom Design
- Explosion Proof: Instrinsically Safe Valves
- Rated Flow: 12, 40, 75, 9, 37 L/Min
- Trademark: 609
- Origin: Nanjing China
- Power: Hydraulic
- Leading Manufacturer and Supplier: Precision Control System and Product
- Rated Current: 10, 30mA
- Affordable Replacement for Moog: Moog G77xk
- Specification: national standard
- HS Code: 848180
Double flapper-nozzle force feedback, two stage electro-hydraulic flow control servo valve
Affordable Replacement for Moog G77XK
Features
- Intrinsic safety protected industrial servo valve for explosion proof situations.
- External null adjustment available for customers to adjust valve null bias
Performance data:
| ITEM | MODEL FF-115/12 | MODEL FF-115/40 | MODEL FF-115/75 | MODEL FF-115A/9 | MODEL FF-115A/37 | MODEL FF-115A/75 | |
| Â RATED SUPPLY PRESSURE Ps[MPa] | 21 | 21 | 21 | 21 | 21 | 21 | |
| RATED FLOW Qn[L/min] | 12 | 40 | 75 | 9 | 37 | 75 | |
| RATED CURRENT In [mA] | 10 | 10 | 10 | 30 | 30 | 30 | |
| COIL RESISTANCE[ Ω ] | 1000 | 1000 | 1000 | 400 | 400 | 400 | |
| HYSTERESIS [ % ] |  ≤4 |  ≤4 |  ≤4 |  ≤4 |  ≤4 |  ≤4 | |
| 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] | 1.3 | 2.4 | 4 | 1 | 2 | 4 | |
| NULL BIAS[ % ] | -3~+3 | -3~+3 | -3~+3 | -2~+2 | -2~+2 | -2~+2 | |
| NULL SHIFT WITH SUPPLY PRESSURE (80~110% Ps)[ % ] | ≤±2 | ≤±2 | ≤±2 | ≤±2 | ≤±2 | ≤±2 | |
| NULL SHIFT WITH RETURN PRESSURE (2~20% Ps)[ % ] | ≤±2 | ≤±2 | ≤±2 | ≤±2 | ≤±2 | ≤±2 | |
| NULL SHIFT WITH TEMPERATURE (-10~ +60 ºC)[ % ] | ≤±2 | ≤±2 | ≤±2 | ≤±2 | ≤±2 | ≤±2 | |
| AMPLITUDE RATIO WITH (-3dB)[ Hz ] | ≥50 | ≥50 | ≥50 | ≥50 | ≥50 | ≥50 | |
| PHASE LAG WITH (-90°)[ Hz ] | ≥50 | ≥50 | ≥50 | ≥50 | ≥50 | ≥50 | |
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