Differential Pressure Flow Measurement in Coker Fired Heaters
Improve safety and reliability in flow measurement
Gain Accurate Flow Measurement in Coker Fired Heaters
Coker Fired Heaters are required to be tied to a SIF (Safety Instrumented Function) to ensure the heater is shut off if there is a low flow indicator. A common false positive in this application occurs when there is build-up and plugging in the impulse lines. This would cause the flow indication to falsely indication a low or no flow condition, shutting down the heater. The Rosemount 9195 Wedge Flow Meter will eliminate false trips, remove impulse lines that have a risk of plugging, minimize on-scale failures, and improve safety and interlock reliability. The Rosemount 9195 Wedge Flow Meter is an economical solution for medium-to-large line sizes and highly viscous applications.
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Product Solutions
The Rosemount 9195 Wedge Flow Meter offers a fully assembled design for accurate measurement of fluids that wear or plug other meter designs. The wedge shaped element provides abrasion resistance due to the lack of a critically sharp edge. Highly viscous fluids can also be measured accurately due to the linear response of the meter even at low Reynold’s Number. Designed as a complete flow meter, the optional Application Packages simplify ordering to ensure the correct remote seal system is specified based on application needs. Available with three transmitter connection styles, the 9195 can help provide a solution in difficult applications.
- The wedge primary element is built to measure difficult applications, including dirty, highly viscous, or abrasive fluids that can clog or erode other primaries
- Triangle shaped design is strong and resistant to wear, lacking critical sharp edges that would wear over time
- Fully integrated and optimized design allows for simpler installation and compatibility with the process
Line Size
2 to 8 in (50-200 mm)
Accuracy
Calibrated: 1.0%; Standard 3%
Max. Operating Pressure
ANSI B16.5 600#
EN-1092-1 PN100
EN-1092-1 PN100
