Operating Instructions
OIC 12en Edition 08/2016
11
Radial shaft seal
Function description
Radial shaft seal
The shaft is sealed with a radial shaft seal with three radial shaft sealing rings. Lubrication of the radial
shaft seals is effected via the sealing chambers. The sealing chamber
A
is filled and vented via the
inlet
1
, the sealing chamber
B
via the inlet
2
and the sealing chamber
C
via inlet
3
.
Depending on the application the six inlets to the three sealing chambers are designed and filled diffe-
rently.
□
Sealing chamber
A
: Application-specific, for example PTFE grease for lubrication of the balancing
cylinder
□
Sealing chamber
B
: PTFE grease or quench liquid (supply via quench tank or circulation line)
□
Sealing chamber
C
: PTFE grease (in the factory)
Direction of rotation and flow direction
Standard direction of rotation:
Clockwise, viewed from the drive
Marked on the bearing housing by two arrows
Flow direction:
Marked on the pump housing by two arrows
Fig. 5
Sealing chambers A, C
Fig. 6
Sealing chamber B (View rotated)
Fig. 7
Direction of rotation and flow direction
A
C
1
3
1
3
B
2
2
