Details

NDS (National Disc Spring) Flange Disc Springs maintain bolt tension and gasket pressure around the flange, especially under conditions of thermal variations or mechanical shock, which may disturb the bolted joint. They counteract loosening and assure the integrity of the bolted flange under the most severe conditions. The proper use of NDS series flange disc springs will ensure that the gasketed joints will completely maintain the seal - no leaking, reducing pollution, ensuring safety, and reducing pipeline downtime. The NDS series flange disc spring is “live loaded”, which means it automatically adjusts for thermal variation, vibration, and mechanical shock stress. Flange disc springs are precision-machined on all surfaces, with well-rounded edges. They are used as a single disc spring or stacked on each end of the bolt, depending on estimated bolt elongation.

Additional Information

Manufacturer: Century Spring Corp.

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