Westfalia OSD 6-91-067 Instruction Manual page 41

Westfalia Separator
Mineraloil Systems GmbH
2058-9001-101 / 0506
Closing the bowl (separation)
Separation
Bowl closed
Fig. 56
After starting the separator the solenoid valve for operating liquid is actuated
with the aid of the control unit, and the bowl is closed as follows:
Pos. Designation
1 Operating liquid
2 Annular piston
3 Sliding piston
Ejection
Bowl open
Function
• flows into the injection chamber 4 of bowl bot-
tom 5 and
• from there through feed holes into closing
chamber 6.
This initiates closing of the bowl.
• moves into closed position.
• is raised due to the hydrostatic pressure in
closing chamber 6.
• is pressed against the gasket 7 of bowl top
due to the hydrostatic pressure and
• closes the bowl.
41