ISA TR77.42.02-2009
- Fossil Fuel Power Plant Compensated Differential Pressure Based Drum Level Measurement
- standard by The International Society of Automation, 04/21/2009
- Category: ISA
$69.00
$35.00
This Technical Report supplements ISA77.42.01, Fossil Fuel Plant Feedwater Control System-Drum Type, and provides recommendations for level measurement in boiler steam drums. Specifically, the use of differential pressure transmitters for drum level measurement in a power plant boiler drum is described. The need for compensation for density changes is explained and equations for the proper compensation are derived.
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