The two-ply testable bellows (also referred to as a redundant ply design) can, in majority of cases, provide early warning about bellows failure. Although a representative sample performs in a statistically predictable way, any single expansion joint’s exact fatigue life is unpredictable.
In 2016, EagleBurgmann launched a new program in the U.S. geared towards the rapid shipping of standard Cartex seals. CartexExpress allows for same-day shipping for orders placed by Noon CST for qualifying seals in both single or dual versions (US only).
The operation of high pressure pipeline pumps poses great challenges to end users. Strict environmental standards must be met, and the cost effectiveness and availability of the numerous pump stations must be assured. Product leakages must be prevented by all means necessary. As a result, the pump shafts are sealed with dual seals with unpressurized buffer or pressurized barrier systems.