Scraper and Sphere Signalling - Hi-T Pigalert

Scraper and Sphere Signalling - Hi-T Pigalert



Operating Capabilities

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

Reliability

Simple to install and operate, the Hi-T Pigalert™ is an economically priced unit providing adjustable onsite penetration and giving the operator simple visual indication with a single action reset.

The proven pivotless tumbler mechanism and laminated trigger blade provide the necessary depth of penetration into the pipeline to give a reliable and visible signal with negligible effect on the flow.

The trigger has also been extensively tested with online inspection pigs and the Hi-T Pigalert™ carries full Transco (British Gas) approval.

Installation

Standard models are supplied ready for mounting on a base to be welded to the line pipe or vessel. Flange mounted models up to ANSI Class 1500 are also available. All standard units require a 38mm diameter access through both the mountings and the line pipe. Special adaptors and smaller diameter triggers are available for other makes of retro-fit applications. Full instructions covering installation, re-setting, adjustment to suit varying pipe-wall thicknesses and removal under pressure using a jacking bracket are supplied with all models of the Hi-T Pigalert™ at the time of despatch.






: SPXFLOW
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