Pig detectors are signaling devices that are attached to the pipeline and indicate a pigs passage past a certain point, typically departing from and arriving at pig traps. It may be a mechanical device that gives a visual indication or it may operate a micro-switch to give an electrical signal at some remote site.
TDW Pig Detector IV
TDW’s PIG-SIG® IV Scraper Passage Indicator is a...
Maloney Series III Detector
Maloney Series III Detector is a ʻPig Signalerʼ for...
TDW Pig Sig V
PIG-SIG® V Scraper Passage Indicator is a device...
MAGNA-SYGG
The MAGNA-SYGG from S.U.N. Engineering, Inc. is truly a...