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ultrasound testing

Reliability Engineering for Maintenance

PRÜFTECHNIK AG

Founded in 1972, PRÜFTECHNIK is one of the world's leading specialists in testing and measuring systems, and provides solutions for industrial maintenance and quality assurance that can permanently lower plant maintenance and operating costs.

Geveke Energy Services Opts for VPFlowScope for Reliable AirAudits
Asset Condition Management

Geveke Energy Services Opts for VPFlowScope for Reliable AirAudits

“With every AirAudit we find opportunities for improvement that pay for themselves", says Ab Soekhoe, Sales Manager at Geveke Energy Services in Amsterdam. That is saying something, because each year, Geveke Energy Services carries out more than one-hundred-and-fifty AirAudits with the VPFlowScope proving to be an indispensable measuring instrument.

Asset Condition Management

Helpful Hints on Using Ultrasound During Commission and Start Up

Learn more about using ultrasound during commissioning and start up.

Tip provided by: 

Asset Condition Management

10 Steps to an Effective and Enduring Airborne Ultrasound Program

  1. Assemble a team and identify applications for a program
  2. Justify needs by recognizing key areas where improvement can be benchmarked
  3. Set written goals for the program
  4. Establish how ROI will be measured
  6. ...
  7. Frequently review the progress as part of regular meetings
  8. Ensure everyone involved is 100% mentally invested in the program’s success
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Asset Condition Management

Cause and Effect of Failed Traps

Steam traps are necessary for the overall efficiency of heat energy transfer. When traps fail, they waste money, they create back pressure in the steam system, and they cause process failures


Ultrasonic Superheat Bypass Valve Inspection
Asset Condition Management

Ultrasonic Superheat Bypass Valve Inspection

If you’ve attended ultrasound training courses, then you most likely learned about how to use a four point inspection for valves, no matter the valve type. However, the discussions within this practice or application always lead to other valve inspections. Among them is the use of ultrasound to listen to a valve through non-contact, or simply aiming the instrument at the valve to determine its condition. This would be like having an inverted bucket steam trap that has a “blow-by” condition (steam blow through). By simply aiming the ultrasound at the inverted bucket trap, the user would be able to hear the steam rushing through the valve and creating enough high frequency to determine its condition. However, a more favorable practice is making contact with the trap.

Asset Condition Management

Use Ultrasound Crest Factor to Precisely Predict Bearing Failures

Trend overall dB-RMS levels to know your bearing is getting louder. Trend dB-Peak to know your bearing is becoming unstable. Then compare the dB-Peak to the dB-RMS to see your bearing's Crest

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Versatile Ultrasonic Tool “Hears” Problems Before They Lead to Breakdowns
Asset Condition Management

Versatile Ultrasonic Tool “Hears” Problems Before They Lead to Breakdowns

WESTBURY, NY — Compressed air leaks, natural gas and propane leaks, vacuum leaks, refrigerant leaks and parts deterioration greatly concern industrial technicians because they can lead to production slowdown, expensive repairs and possible contamination to the environment. Spectronics Corporation manufactures a specialty tool to detect these defects before they become out-of-hand.

Asset Condition Management

Size Matters

“I like the idea of IR windows, but I just can’t see enough!” If this sounds familiar, you’re in good company. Thermographers’ second most common concern about IR windows has long been the

... IR, visual and ultrasound inspection in one panel Unrivaled durability and resilience – what you expect from Exiscan

Asset Condition Management

Know When to Grease Your Bearings – See and Hear the Difference

Greasing on a time based schedule can lead to over/under greasing problems that can destroy bearings before their time. But how do you know when it's the right time to grease bearings? With

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Asset Condition Management

Listen and Wait … When Greasing Bearings

Condition based lubrication programs rely on ultrasound data collection to alarm when re-greasing is required. Our advice:

  • Alarm bearings for re-lubrication at 8-10 dBµV over baselines

...

Asset Condition Management

2-Stage Routine for Finding Air Leaks

A 2-stage approach to leak detection can improve your results. The first tour of the compressed air system will identify large leaks that are easy to fix. Smaller leaks in complex systems are

 

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Acoustic Lubrication Guidelines for Rolling Element Bearings in Electric Motors Report
Asset Condition Management

Acoustic Lubrication Guidelines for Rolling Element Bearings in Electric Motors Report

Are you killing your bearings?

Major bearing manufacturers and lubrication experts state that one of the major causes of bearing failure is over-lubrication.

SDT Announces Mananged Ultrasound

SDT Ultrasound Solutions, a leading solutions provider of ultrasound technology for asset condition management is pleased to introduce MANAGED Ultrasound. Managed Ultrasound is a partnership forged between SDT and companies choosing to embark on a journey to establish a world-class ultrasound program.

Machinery Fault Diagnosis

by Hamid Karimi and Mohammad Moshtaghi

Vibration analysis is a valuable technique in machinery fault diagnosis. Although lesser time is spent on the acoustic emission technique (AET) in comparison to vibration to make it applicable in industries, many years ago, listening to machine sounds using a screwdriver or a sound scope was the first step a technician took to detect a fault in machinery.

Asset Condition Management

How to Find and Fix Air Leaks

Compressed air is one of the highest cost utilities in use at your plant. It is also one of the least maintained, leaks are most often ignored. Finding and fixing leaks is easy with an

...

Asset Condition Management

How Could a Brick Wall Have a Compressed Air Leak?

While performing a quarterly ultrasonic air leak inspection, our inspector picked up what sounded like a leak coming from a brick wall. He was miffed. What appeared to be a leak coming from a

 

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