• Model NO.: FF-102
  • Precision Control: Custom Design
  • Rated Flow: 2, 5, 10, 15, 20, 30 L/Min
  • Trademark: 609
  • Origin: Nanjing China
  • Power: Hydraulic
  • Rated Current: 10 or 40mA
  • Affordable Replacement for Moog: Moog 31
  • Specification: national standard
  • HS Code: 848180
FF102

Double flapper-nozzle force feedback, two stage electro-hydraulic flow control servo valve
Affordable Replacement for Moog 31

Features:
  1. Quality performance, high dynamic response, reliable operation and long life.
  2. Die forging stainless steel body, compact design and light weight.
  3. High response as far as 250 HZ available at request (Model FF-102G).

Performance data:


ITEM MODEL FF-102
SUPPLY PRESSURE[MPa] 2~28
 RATED SUPPLY PRESSURE Ps[MPa] 21
RATED FLOW Qn[L/min] 2,5,10,15,20 or 30
RATED CURRENT In [mA]  10 or 40
HYSTERESIS [ % ]  ≤4
THRESHOLD [ % ] ≤1
LINEARITY[ % ] ≤7.5
SYMMETRY[ % ] ≤10
PRESSURE GAIN[%Ps/1% In] >30
INTERNAL LEAKAGE[L/min] ≤0.5+4 % Qn
NULL BIAS[ % ] ≤±3
NULL SHIFT WITH SUPPLY PRESSURE (80~110% Ps)[ % ] ≤±2
NULL SHIFT WITH RETURN PRESSURE (0~20% Ps)[ % ] ≤±2
NULL SHIFT WITH TEMPERATURE (-30~ +150 ºC)[ % ] ≤±4
FREQUENCE RESPONSE AMPLITUDE RATIO WITH (-3dB)[ Hz ] ≥100
PHASE LAG WITH (-90°)[ Hz ] ≥100
WORKING TEMPRETURE[ ºC ] -55~ +150
NET WEIGHT[ kg ] 0.4


 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 differential series individual parallel
50 40 20 0.28 0.57 0.15 0.13
700 10 5 3 6 2 1.7

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April 19, 2024