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Positive Displacement Hydraulic Accumulators

Brand: Valcor Engineering Corporation

Positive displacement hydraulic accumulators serve as self-contained sources of hydraulic pressure.

The gas-charged piston-based accumulators allow hydraulic systems to quickly respond to changes in pressure demand and can also smooth out pulsation from pumps and other cycling devices up and downstream.

Using accumulators often allows for the use of smaller pumps, providing for a lower system weight and footprint.

Our innovative design features a hydraulic reservoir made with a proprietary composite fiber wrapping over a thin metal sleeve.

This provides for pressure ratings to 4000 PSIG, while saving up to 40% of the weight found in competitive products.

Dual piston seals provide for positive separation of the charging gas from the process media.
Features
  • Up to 40% Lower Weight than Competitive Products
  • Composite Fiber Wrapping Over Metal Sleeve for High Strength and Low Weight
  • Dual Piston Seals for Positive Gas/Liquid Separation
  • Self-displacing to Achieve Max Pressure Differential
  • Self-lubricating Seals for Exceptional Cycle Life
  • Maintenance Free Bellows Construction
  • Integrated Control Valve Module
  • Optional Accessories Include Thermometer, Pressure Gauge, Piston Position Indicator, and Pressure Switches
  • Fully Customizable for Your Application

Specifications

Program

  • Military Rotorcraft
  • Military Fixed Wing Aircraft
  • Proprietary
  • EmergPwr Cart

Operating Pressure

  • 3000-3500 psig
  • 3000 psig
  • 3000-3600 psig
  • 4000-4200 psig

High Press Oil Volume

  • 140 in3
  • 350 in3
  • 200 in3
  • 660 in3
  • 79 in3
  • 206 in3
  • 77 in3
  • 38 in3
  • 575 in3
  • 131.8 in3
  • 6.1 in3
  • 142 in3
  • 30 in3
  • 346 in3

Fluid Temperature

  • -50° to 275 ° F
  • -65° to 160° F
  • -40° to 220° F
  • -65° to 275 ° F
  • -40° to 275 ° F
  • -20° to 170° F

Overwrap Material

  • Kevlar
  • Fiberglass
  • Carbon

SelfDisplace

  • Yes
  • No

  • Aircraft and Rotorcraft Applications
  • Emergency Backup Hydraulic Power for Landing Gear and Braking Systems

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