UEA Completed Hydraulic Swivel Test Stand

Posted on Friday, March 8, 2013 in UEA Blog


UEA has successfully built the most advanced and efficient hydraulic swivel leakage detecting system in the industry through company investment and team efforts. The test system is designed to be an accurate instrument for detecting potential hydraulic leakage inside the swivel assembly under specified pressures, and also to measure the swivel rotating torque. Finishing up the test system build is a big step forward for hydraulic swivel product development and production at UEA. It has laid a solid foundation to meet product quality assurance for UEA's hydraulic swivel production.

The test system consists of test stand assembly, hydraulic power unit with status LED display and electric motor control panel, transducers and data acquisition devices and a laptop computer and control program. In addition, an in-line contamination monitor (ICM) is integrated into the hydraulic circuit to real-time monitor the test oil cleanliness levels and thus to ensure the test oil meets ISO 4406 cleanliness code levels during the testing process. The test stand is equipped with both low pressurized air test medium and high pressure hydraulic oil test medium to detect any potential internal swivel leakage.

This computer-based instrumentation and control system is readily adaptive to meet our customers' various testing requirements based on different swivel design specifications. For quality assurance, UEA will conduct 100% hydraulic swivel testing prior to shipping. The test system records and stores time-stamped test data in spreadsheets, which will be provided to our customers with the delivery of hydraulic swivels.

The capabilities of the UEA hydraulic swivel leakage detection system are listed below.

  • Swivel housing size up to 19” outside diameter
  • Test up to 12 ports of multiple sizes in one setup
  • Measure rotating torque up to 1,800 ft.lbs
  • Pneumatic test pressure up to 150 psi
  • Hydraulic test pressure up to 8,000 psi (550 bar)
  • Record time-stamped swivel test data
  • Real-time monitoring and recording test oil cleanliness levels via ISO 4406 codes

Bo Li, Design Engineer, United Equipment Accessories, Inc.

Certified Fluid Power Specialist (CFPS)

Certified Fluid Power Electronic Controls Specialist (CFPECS)

Are you considering a hydraulic swivel and have questions that need to be answered prior to making a decision? Our whitepaper 6 Questions to Ask Before Getting a Hydraulic Swivel, examines the 6 critical questions that one should ask prior to making a hydraulic swivel decision.

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