August 2007

Special Report: Fluid Flow and Rotating Equipment

Maximize equipment performance with continuous torque monitoring

The data can pinpoint declining turbine or compressor efficiency and increased fuel consumption

Meier, B., Kop-Flex, Inc. Emerson Power Transmission

Continuous torque monitoring of couplings is becoming an integral part of many predictive maintenance programs in the petrochemical and process industries. More operating facilities are using torque-measuring devices called "torquemeters" to check machinery performance and accurately predict intervals between scheduled shutdowns. Early identification and correction of inefficiencies can help facilities reduce NOx emissions and lower fuel consumption, economizing on fuel, saving money and aiding emission regulations compliance. This article will introduce the advantages and disadvantages of the basic torque measuring methods: torsional strain (strain gage) and torsional deflection (phase

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