Results
Company: | Gascade Rehden – NEL Gas Transport Pipeline |
Situation: | Gas bypass around fiscal metering, losing unpaid gas |
Result: | Repositioning of zero position of valve, minimizing loss of gas |
Gascade is one of the main German Gas Grid Operators. At their Compressor Station in Rehden there was an issue with one of the valves, which had audible internal leakage.
A DBB-SAVER was connected which was switched in control mode, thereby it is swithing on and off at preset vacuum levels. By finding a new closed position by adjustment of the actuators end stops, whilst monitoring the pressure build-up and the switching interval of the DBB-SAVER, prevention of gas loss was achieved.
By knowing the volume of the bleed section (in this case the bore of the ball valve, + est. 10% for surrounding body cavity volume, + the volume of the connecting hose, in combination with the on and off vacuum setpoints and interval time of the DBB-SAVER, also the exact leak rate could be established in litres/min. before and afer the job.
Link to customers website:
www.gascade.de
www.gascade.de/en/our-network/compressor-stations/rehden/
Company: | Gascade Rehden – NEL Gas Transport Pipeline |
Situation: | Gas bypass around fiscal metering, losing unpaid gas |
Result: | Repositioning of zero position of valve, minimizing loss of gas |
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