All of these seals are suitable for DIN and ANSI type flanges, which have very limited radial and axial dimensions and are ideal for pumps, industrial mixers, professional fans and other equipment.
The cartridge assembly minimises installation problems to a minimum and is suitable for most applications.
There is also a version available with a thicker shaft sleeve and larger internal clearances designed for professional fitting to equipment and industrial stirrers that are submitted usually to substantial mechanical stresses, oscillation, vibration and run-out.