rotary unionS

rotary union Endurance
Test Stand

rotary union endurance testing
United Equipment Accessories’ rotary union endurance test stand was built entirely in-house for the purpose of conducting accelerated life testing of rotary unions. The stand’s control program uses a test procedure that strictly follows a specified set of testing parameters. Sensors measure the response of the tested elements under simulated conditions for a specific period and for a certain threshold. The endurance test stand sits in a specially designed room that has its own ventilation system, automatic fire suppression, and a two-hour fire rating. Two webcams connected to the network provide 24-hour video surveillance to the endurance test stand.

Real Time Monitoring

Using sensors and control software, the following data is monitored and recorded from the rotary union during endurance tests:
  • Rotation speed and torque requirement
  • Torque under pressure
  • Side load
  • Hydraulic pressure
  • Temperature
  • Fluid cleanliness
Test Stand Specifications
  • 16 test channels for low, medium or high pressure
  • Low (<1000 PSI), medium (1000-3600 PSI), high (3600-5500 PSI) pressure pumps and transducers
  • Automatic safety shut off
rotary union testing

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