Double monobloc mechanical seal available to reduce axial bulk, suitable for dangerous, toxic, inflammable, highly abrasive, gaseous liquids and situations in which it is necessary to avoid atmospheric emission.

Particularly suitable for dryers, hydrogenetors and top-entry agitators.

The BM3A – BM3A is a double component seal with a type A pinned stationary seat, pressure balanced, multi-spring and suitable for rotation 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.