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Dynamic Balancing & Overspeed Testing

To verify accuracy and design fidelity, Concepts NREC has the resources to conduct dynamic balancing and overspeed testing.

Balance Equpment

Schenck Model H4/CAB500

  • CAB 640 electronics
  • Diameter capacity 63 inches (1600 mm)
  • Weight capacity 2,200 lbm (1000 kg)

Schenck Model HT1 B

  • CAB 640 electronics
  • Diameter capacity 10 inches (254 mm)
  • Weight capacity 10 lbm (4.5 kg)

Overspeed Testing Equipment

  • Two Barbour-Stockwell spin vessels
  • 2", 4" and 6" air turbine drives
  • Diameter capacity 30 inches (760 mm)
  • Length capacity 41 inches (1040 mm)
  • Weight capacity 1,500 Ibm (700 kg)
  • At full weight, speeds up to 40,000 rpm
  • For smaller rotors, speeds up to 110,000 rpm


Schenck dynamic balancing machines can handle impellers from less than one pound up to 2,200 pounds.

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Turbine-driven spin pits provide overspeed test capabilities up to 100,000 rpm for rotors up to 34 inches in diameter.

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Need more information? Please submit an information request form.


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