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  • Measuring Torsional Vibration on a Natural Gas Engine/Reciprocating Compressor System (.pdf)
    This case history describes how torsional vibration was measured on a natural gas engine driving a reciprocating. compressor. It was necessary to check torsional vibration on the front of the engine where the viscous damper was located. Engineering Dynamics Incorporated (EDI) is an industry leader
  • Improving Reciprocating Compressor Valve Life
    Compressor valves serves as check valves for the inlet and discharge passages of the cylinder and will open and close once for every revolution of the crankshaft. If the compressor is running at 500 rpm for 24 hours a day, the valves will open and close 720,000 times every day! Valves have
  • Advanced Inspection of Reciprocating Compressors with Ultrasound
    Anyone who has benefi ted from the advancements made. in ultrasound testing will agree that this technology is no. longer just for leak testing. It is a complimentary companion. technology to vibration analysis, infrared imaging, motor. circuit testing, and oil analysis. Some will assert that the.
  • Monitoring Reciprocating Gas Compressors with 4-20 mA LPS Vibration Sensors
    Vibration monitoring is well established as a tool for diagnosing the mechanical health of rotating machines. Machinery analysts and technicians have been successfully using vibration monitoring of rotating machinery for many years. Pumps, fans, motors, gearboxes, rotary compressors and many other
  • Clean-in-Place Technology for Improved ROI
    and centrifugal pumps and rotary vane and reciprocating compressors, acquired Mouvex, the French-based inventor and manufacturer of eccentric disc technology pumps.
  • How to Transfer Volatile, Flammable, and Combustible Chemicals
    elimination systems, and sliding vane and reciprocating compressors for the transfer of liquid and gas products. Callahan is a distributor and repackager of volatile, highly flammable and combustible chemicals, such as acetone, methyl ethyl ketone (MEK), ethyl acetate 99, isopropynol 99, toluene, mineral
  • Aluminum-Alloy Bearings
    equipment, roll-neck bearings in steel mills, reciprocating compressors, and aircraft equipment. Aluminum alloys require sufficient lubrication, good surface finish, and shafts hardened to about Rockwell B85. They have relatively poor compatibility characteristics and lack embeddability
  • Improper Machine Installation will Lead to Future Unreliability
    This case study will focus on the installation of a new reciprocating refrigeration compressor and the potential impact of the lack of installation standards. The unit was installed, precision alignment techniques were followed, but no regard was given to proper grouting techniques. Although

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