609 FF-502 Electro-Hydraulic Flow Control High Contamination Servo Valve (20L, 100mA)

Power: Hydraulic
Precision Control: Custom Design
High Contamination Resistance: Null Adjustment
Rated Flow: 20 L/Min
Rated Current: 100mA
Affordable Replacement for Moog: Moog G631
Customization:
Gold Member Since 2015

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Manufacturer/Factory & Trading Company

Basic Info.

Model NO.
FF-502
Transport Package
Carton
Specification
national standard
Trademark
609
Origin
Nanjing China
HS Code
848180
Production Capacity
50-1000 Per Month

Product Description

FF-502

Double flapper-nozzle force feedback, two stage electro-hydraulic flow control servo valve
Affordable replacement for Moog G631
Features:

  1. An effective anti-contamination industrial servo valve, high reliability and quality performance.
  2. Mechanical null adjustment available for customers to adjust valve null bias.
  3. Manual override available to operate valve manually.
  4. An optional fifth supply port available on order to provide fluid to flapper nozzle stage.
  5. External filter, protection filter easy to replace. 
  6.  

Performance data:


ITEMMODEL FF-502
SUPPLY PRESSURE[MPa]2~28
 RATED SUPPLY PRESSURE Ps[MPa]21
RATED FLOW Qn[L/min](valve pressure drop 7MPa)10,20,40,60, 80
RATED CURRENT In [mA]100
HYSTERESIS [ % ] ≤5
THRESHOLD [ % ]≤1
LINEARITY[ % ]≤7.5
SYMMETRY[ % ]≤10
PRESSURE GAIN[%Ps/1% In]>30
INTERNAL LEAKAGE[L/min]≤3.5
NULL BIAS[ % ]≤±3
LAP[ % ]-2.5~ +2.5
NULL SHIFT WITH SUPPLY PRESSURE (80~110% Ps)[ % ]≤±4
NULL SHIFT WITH RETURN PRESSURE (0~20% Ps)[ % ]≤±4
FREQUENCE RESPONSEAMPLITUDE RATIO WITH (-3dB)[ Hz ]≥17
PHASE LAG WITH (-90°)[ Hz ]≥35
WORKING TEMPERATURE[ ºC ]-30~ +95
NET WEIGHT[ kg ]2.3


Rated current, coil resistance and inductance

RESISTANCE OF EACH COIL AT 20ºC(Ω)RATED CURRENT (mA)PROXIMATE COIL INDUCTANCE(H)
Differential, parallel or individual coilsseriesseriesindividualparallel
28100500.80.250.2

 


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Gold Member Since 2015

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Manufacturer/Factory & Trading Company
Number of Employees
342
Year of Establishment
2016-11-21