Dover (ThyssenKrupp) - Rota

Head Drawing

Flat heads use O-Ring or Gasket. Other versions use Gasket
All two-seal heads have oil return port on side of domed plate.
Brass spacer in domed heads must be reused
If unit has been retrofitted with factory replacement seal guide, see Thyssenkrupp Rota U-Cup page.
Manufactured until Jan 2005, after, see Thyssenkrupp Rota U-Cup page.
Nuts are not flanged

For damaged plungers, please inquire about U-Cup Conversion Kit (6EA174)
Either use Gasket or O Ring, NEVER BOTH.
*O Ring not available
** 7-1/2" Seal only available
Do not use standard 1/2 cross section seal below Rota Seal as this may result in excessive friction.
2 Seal units require spacer. Use Packing set and one spacer - do not use 2 seals in tandem.
Must purchase factory replacement seal guide to use Packing Alternatives above
Pre-1980 Rota heads may use a Babbitt wear surface. Split wear ring will not retro-fit
Do not place seals in the cavity below the Rota seal

Call if you have one of these extreme conditions