Prochem’s
sealing arrangements

SINGLE-ACTION, NON-RELIEVED INTERNAL, MECHANICAL SHAFT SEAL

SINGLE-ACTION, EXTERNAL, MECHANICAL SHAFT SEAL WITH PTFE BELLOWS

DOUBLE-ACTION, MECHANICAL SHAFT SEAL

APPLICATION

Generally used where products pumped are chemical-related slurries and no external flushing can be done due to dilution or contamination. Flushing is done by means of product recirculation.

APPLICATION

Generally used where products pumped are moderately to highly corrosive and relatively clean. They should be used where dry running cannot occur.

APPLICATION

Generally used where pumped products contain solids, tend to crystallise, or have limited lubricating properties. Flushing is normally by means of external water supply or another compatible fluid. They can also be used in systems where dry running can occur.