609 FF-115 Explosion Proof Electro-Hydraulic Flow Control Servo Valve
Performance data:
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FF-115
Double flapper-nozzle force feedback, two stage electro-hydraulic flow control servo valve
Affordable Replacement for Moog G77XK
Features
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
 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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