Simple external Simple internal
Materials of construction: Materials of construction:
Rotor:PTFE Rotor:ceramic, (Al2O3, 99,7%)
Stator:ceramic (Al2O3, 99,7%) Stator:PTFE
Gaskets:PTFE gaskets : PTFE
Application: liquids without solids Application: liquids with small amount of solids
Simple internal Double mechanical seal
Materials of construction: Materials of construction:
Rotor:SiC rotor:graphite
Stator:SiC stator:ceramic, (Al2O3, 99,7%)
gaskets :Viton gaskets :Viton
Application: liquids with solids Characteristics:
external flushing required
150-200l/h, 1-2 bar
Application: liquids with solids