The Base Model 57 is a visual flag indicator with manual reset.
It is the most popular member of our patented line of intrusive pig passage indicators that reliably detect the precise location of a cleaning pig as it travels within the pipeline network.
At Apache, we know that knowledge is power. That’s why we want to make certain that when a customer is pigging a pipeline, they will always know when the pig has passed a critical point in the pipeline.
To achieve that, we designed the pigPRO™ Series, a patented line of intrusive pig passage indicators that reliably detect the precise location of a cleaning pig as it travels within the pipeline network.
The pigPRO™ indicator is permanently installed on pig launchers and receivers, or very close to a pump station.
The system is fitted with a plunger that is then inserted into the pipe, physically penetrating the pipe bore. When a pipeline cleaning pig passes, it actuates the plunger, which activates either a visual or electrical indicator, or both. The instant that the indicator is displayed, the pipeline cleaner’s precise location is revealed.