Product Definition
The Hi-T Pigalert™ is simple to install and operate and provides simple visual indication of pig or sphere passed status with a single action reset. The trigger mechanism has been extensively tested with online Inspection pigs and carries full National Grid approval.

The Hi-T Pigalert™ is made in four pressure classifications – up to ANSI Class 600, 900, 1500 & 2500.
Standard models are designed for use at temperatures from -20°C to +200°C, dependent upon the line products and pressure. Alternative elastomer seals can be provided for operating temperatures outside this range.

Easy to install
Robust Design suitable for all Installations, Operator has simple visual indication with single action reset.

Adjustable Trigger Penetration
Allows simple adjustment at site to suit variations in pipe wall thickness.

Extended Model option
Allows Hi-T Pigalert™ to be used on buried pipeline installations.

Valved Model
Allows controlled removal under pressure when pipeline cannot be de-pressurised

Local / Remote Indication

Mechanical Flag / Electrical switch.