Solution for large diameter equipment on medium and high pressures; it is widely used on large machinery, multistage pumps, boiler feedwater pumps and agitators.

The BL3X is a single component seal with type X pinned stationary seat, multi-spring,pressure balanced and can rotate in either direction.
Equipped with three drive lugs on the rotating body it can tolerate strong vibration and mechanical stresses. The O-ring is easily removed and refitted when assembling the seal on shafts with keyways, threads or sharp edges.