609 FF-101 Electro-Hydraulic Flow Control Servo Valve (2 L, 40mA)

**Basic Information**
  • Model NO.: FF-101
  • Precision Control: Custom Design
  • Rated Flow: 2L/Min
  • Affordable Replacement for Moog: Moog 30
  • Specification: National Standard
  • HS Code: 848180
  • Power: Hydraulic
  • Leading Manufacturer and Supplier: Precision Control System and Product
  • Rated Current: 40mA
  • Trademark: 609
  • Origin: Nanjing, China
FF-101

Double Flapper-Nozzle Force Feedback, Two Stage Electro-Hydraulic Flow Control Servo Valve

Affordable Replacement for Moog 30


Features:
  1. High-quality performance, fast dynamic response, reliable operation, and long service life.
  2. Stainless steel construction, no bushing, compact design, lightweight, and easy to install.
  3. Cable can be positioned either over "P" or "R" – only one option available.
*Servo valves with rated flow of 10-16 L/min are available upon request.
*Servo valves with even lower internal leakage flow are also available on request.

Performance Data
ITEM MODEL FF-101
SUPPLY PRESSURE [MPa] 2–28
RATED SUPPLY PRESSURE Ps [MPa] 21
RATED FLOW Qn [L/min] 1, 1.5, 2, 4, 6, or 8
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] ≤0.25 + 5% 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°C) [%] ≤±4
FREQUENCY RESPONSE AMPLITUDE RATIO WITH (-3dB) [Hz] ≥100
PHASE LAG WITH (-90°) [Hz] ≥100
WORKING TEMPERATURE [°C] -55 ~ +150
NET WEIGHT [kg] ≤0.20


Rated Current, Coil Resistance and Inductance
RESISTANCE OF EACH COIL AT 20°C (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

The FF-101 is a high-performance electro-hydraulic flow control servo valve designed for precision applications. It offers an affordable alternative to the Moog 30 model, making it ideal for industrial and engineering systems that require accurate fluid control. With its double flapper-nozzle force feedback mechanism, the FF-101 ensures stable and responsive operation under various conditions. Its stainless steel body enhances durability, while its compact size makes it suitable for space-constrained environments. The valve supports multiple flow rates and current options, providing flexibility in system design. Additionally, it is built to withstand extreme temperatures and pressure variations, ensuring consistent performance across a wide range of operating conditions. Whether you're looking for a reliable replacement or a high-quality component for your hydraulic system, the FF-101 is a top choice.

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