Girard Pig Detector

Girard Industries

The Hi-T Pigalert also known as ‘Pig Signaller’, ‘Pig Detector’ & ‘Pig Passage Indicator’ is a bi-directional intrusive devices attached to the pipeline via a Weld-on Base or Flange and available up to ANSI 2500 (6170 psi). A trigger protrudes slightly into the line enough to come into contact with a pig or sphere, but have little to no effect on flow. All models are set with line specific trigger lengths, but can be easily set to suit varying thicknesses of pipeline of any diameter on site.