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Protecting the WGEP Pipeline

9 June 2011

Hima-Sella provides 20 programmable electronic systems to protect valve stations along the Wilton-Grangemouth Ethylene Pipeline

Stockport, United Kingdom
- Specialist safety systems integrator Hima-Sella has completed delivery on safety solutions at all 20 valve stations along the length of SABIC UK Petrochemicals’ 250km Wilton-Grangemouth Ethylene Pipeline (WGEP); one of a number of pipelines used to link ethylene production plants in the UK.

The installations are part of an upgrade programme which commenced in 2010 and includes the replacement of the valve stations’ Remote Terminal Units (RTUs) and hardwired valve interlocks with a BS EN 61508 safety system.

At the valve stations, which are in remote locations, a number of parameters are monitored including valve positions, upstream and downstream pressures, temperatures, cathodic protection, battery charger status and product flows. Hima-Sella’s solution for localised safety within each valve station is the HIMA HIMatrix F35 Programmable Electronic System (PES), which has 8 analogue inputs, 24 digital inputs, eight digital outputs, three Fieldbus ports and four configurable Ethernet ports.

All 20 PESs for the WGEP upgrade were programmed by Hima-Sella, using HIMA’s IEC 61131-3-compliant ELOP II software tool.

In a separate contract, Hima-Sella has also provided a Safety Instrumented System (SIS – and again based on a HIMatrix PES) to SABIC UK Petrochemicals to protect its Teesside, Arthur Taylor Jetty Arm. Located in a Jetty Electrical Hut, the SIS is a standalone SIL 3 system with fail-safe inputs and outputs.

For more information contact: Hima-Sella Ltd, Carrington Field St, Stockport, Cheshire. SK1 3JN. UK. Tel: +44 (0) 161 429 4500. www.hima-sella.co.uk
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