Magnetic Pig Signallers Not sure what you are looking for? We have a handy tool to help User Guide Home / Products / Non-Intrusive Pig Signallers / Magnetic Pig Signallers Online's magnetic pig signallers confirm passage of pigs carrying magnets, typically at launch and receipt, in onshore, topside and subsea pipelines. Magnetic Pig Signallers 4001D MAGSIG® Pig Signaller Read more Magnetic Pig Signallers 4000SD Subsea Pig Signaller Read more Magnetic Pig Signallers 4003 MAGSIG® UL CSA Certified Pig Signaller Read more
