Description
3 Description
3.1 Design
The one-stage diaphragm pump consists of a
pump body and a drive motor.
The pump casing contains the drive unit and
one pump heads.
The pump head contains a diaphragm and
the work valves.
The pump heads are driven via an eccentric
shaft with a connecting rod.
Fig. 1 Diaphragm pump MP 301 E
3.2
Principle of Operation
Motor, eccentric shaft and connecting rod set the diaphragms in stroke movement. This
changes the size of the space between the diaphragms and pump head (pump chamber).
Increasing the size of the pump chamber opens the inlet valve while the outlet valve is
closed (intake process).
Decreasing the size of the pump chamber ejects the gas through the outlet valve.
The valves are actuated by the gas being pumped. A large proportion of fluid in the dia-
phragm pump minimizes the pumping efficiency.
3.3
Areas of Application
ILMVAC Diaphragm Pumps are intended to:
•
Pumping and compressing neutral and aggressive gases and vapours.
•
Generating a vacuum down to an ultimate pressure < 75 mbar.
•
Use in physical and chemical laboratories in trade and industry.
•
Use for vacuum filtration, vacuum distillation and vacuum drying, and other vacuum tech-
nology applications.
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