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Time saved, safety increased

At Returkraft, SIL proof tests of pressure transmitters are handled with simplicity

Employees of Returkraft regularly have to fulfill and document all requirements of the SIL measuring points in the plant. With the Endress+Hauser pressure gauges, they are able to save time while completing their tasks without compromising safety.

In Returkraft’s large incinerator, the pressure conditions must be monitored continuously. ©Endress+Hauser
The wizard for the SIL proof testing guides the user step by step.
  • In Returkraft’s large incinerator, the pressure conditions must be monitored continuously.
  • The wizard for the SIL proof testing guides the user step by step.

The results

  • Time savings and reduced effort for SIL-proof tests

  • Commissioning of the devices is done quickly and safely

  • Risks of systematic failures are minimized

Kristoffer Hagevik, Safety Instrumented Systems Responsible

“Our maintenance strategy is based on best available technology (BAT). For flue gas measurement, we rely on the Cerabar PMC71B pressure transmitter from Endress+Hauser. ”

Kristoffer Hagevik, Safety instrumented process responsible
Returkraft

Customer challenge

In Returkraft’s incinerator, the pressure conditions must be monitored continuously and precisely. A critical point in this respect is the extraction of the flue gases from the furnace. For this reason, monitoring of the pressure is highly relevant to safety and thus part of the Safety Integrity Level (SIL) in plants of this type. The risk from systematic failures such as operating errors, leakage currents, or clogged impulse lines must be minimized as far as possible.

Our solution

For flue gas measurement, Returkraft relies on the Cerabar PMC71B pressure transmitter from Endress+Hauser. Its robust and abrasion-resistant ceramic measuring diaphragm allows even the smallest pressures to be determined with high precision and reliability. Thanks to innovative functions, Returkraftemployees save time and effort, while at the same time increasing safety:

  • A commissioning assistant, the so-called Wizard, guides them through the menu.

  • A SIL Wizard allows to double-checking the settings of all safety-relevant parameters.

  • Thanks to the CRC checksum, the user can quickly check whether safety-relevant parameters have been unintentionally adjusted.

  • The Wizards can be executed with a smartphone or centrally from the control room.

Find out more

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  • Firmalogo af: Returkraft AS Firmalogo af: Returkraft AS

    Returkraft AS

    Returkraft operates a plant where waste is incinerated and converted into energy. In this way, the Norwegian company produces 95 GWh of electricity and 250 GWh of district heating annually. That helps to save 26 million liters of heating oil, equivalent to CO2 emissions of around 830,000 tons.

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