Press Release Summary:
Designed to prevent environmental contamination in severe process conditions, Double-Disc Opti-Gard comprises primary and secondary rupture discs, as well as pressure gauge or switch to monitor space between discs. In event of chemical attack causing pinholing of primary disc, back-up prevents pollution of environment, while intermediate pressure sensor warns maintenance teams. Disc is corrosion-resistant Hastelloy C267 and features Â±5% tolerance.
Original Press Release:
Disc Double Avoids Leakage Trouble
Elfab, Europe's leading pressure-safety specialist, has designed a pressure-relief assembly specifically to prevent environmental contamination in severe process conditions.
The Double-Disc Opti-Gard comprises primary and secondary rupture discs, plus a pressure gauge or switch to monitor the space between the discs. In the event of chemical attack causing pinholing of the primary disc, the back-up prevents pollution of the environment, while the intermediate pressure sensor warns process managers and maintenance teams of the need to repair the compromized primary disc.
The Opti-Gard disc comes with a +/-5% tolerance as standard, the product's wetted parts are manufactured from corrosion-resistant Hastelloy C267 and the assembly meets NACE MR0175[1.
Aside from simplifying pipework considerations, the Double-Disc Opti-Gard negates the risk of separate holders being incorrectly installed.
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[1 Metals for Sulfide Stress Cracking and Stress Corrosion Cracking Resistance in Sour Oilfield Environments