Vulcan - Mechanical Seals

Vulcan Pumps proudly uses John Crane mechanical seals and has two motor sealing options to fit your unique application.  The Internal Slurry Seal is a double or back to back Type 21 arrangement where the entire assembly operates in an oil chamber away from the pumped fluid. Lower seal faces are tungsten carbide for handling abrasive service. The drive spring ends are welded to prevent it from collapsing and the lower stationary seal face is pinned with an anti-rotation pin. A lip seal is also used as the first barrier of protection and rides on a shaft sleeve to prevent wear on the motor shaft.