Fire Loop : A pneumatic control line containing temperature sensing elements (fusible plugs, synthetic tubing, etc). which, when activated, will initiate platform shutdown. (RP 14C)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}