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Servovalve Model 25A

Servovalve Model 25A
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Servovalve Model 25A

Product catalog summary
General Characteristics
  • Product Type: Two-Stage, Nozzle Flapper Servovalve.
  • Rated Flow: Up to 3.2 gallons per minute (12.1 liters per minute) at a maximum valve pressure drop of 3000 psi (207 bar).
  • Supply Pressure: Up to 5000 psi (345 bar).
  • Internal Leakage: Maximum of 0.10 gallons per minute (0.38 liters per minute), with lower leakages available based on operating requirements.
  • Hysteresis: Maximum of 3.5% of rated current.
  • Threshold: Maximum of 0.5% of rated current.
  • Linearity: Maximum of 7.5% of rated current.
  • Null Bias: Maximum of 2% of rated current.
  • Weight: 0.36 pounds (163 grams).
Additional Features
  • Optional LVDT for spool position monitoring.
  • Design adaptable to ARP 490, Size IA or IB mounting.
  • Optional electrical connector and coil configuration.
  • Qualified for both military and commercial applications.
  • Applicable for use in aircraft, helicopters, missiles, and tanks.
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Catalog excerpts

Servovalve Model 25A-1

Product Specification Servovalve Model 25A Product: Two‐Stage, Nozzle Flapper Rated Flow: To 3.2gpm (12.1 l/m) maximum at 3000 psi (207 bar) valve pressure drop. Supply Pressure: to 5000 psi (345 bar). Internal Leakage: 0.10 gpm (.38 l/m) maximum. Lower leakages available depending upon operating requirements. Hysteresis: 3.5% of rated current, maximum Threshold: 0.5% of rated current, maximum Linearity: 7.5% of rated current, maximum Null Bias: 2% of rated current, maximum Weight: 0.36 lb (163 g)  LVDT for spool position monitoring optional.  A design adaptable to either ARP 490, Size IA or IB mounting.  Electrical connector and coil configuration optional.  Qualified for military and commercial applications.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.