3 Product description
3.1 Function
Diaphragm pumps are dry compressing positive displacement pumps. The movement of diaphragms
generates a periodic change of the suction chamber volume. The gas flow causes the valves to open
and close automatically. The pump unit is directly connected to the drive motor.
1
D
C
B
A
5
6
7
2
3 4
Fig. 3:
Diaphragm pump design
A Diaphragm head 1
3
Connecting socket
B Diaphragm head 2
4
LED
C Diaphragm head 3
5
Hose connection
D Diaphragm head 4
6
Base plate
1 Exhaust with silencer
7
Grounding screw
2 Vacuum connection, 1/8'' thread
3.1.1 Drive
The diaphragm pump forms a compact unit with the electronic drive unit. The integrated electronic drive
unit permits the control and monitoring of pumping functions via the "remote" interface using a Pfeiff-
er Vacuum display and control unit.
3.1.2 Pumping system
The diaphragm pump has 4 diaphragm heads and 4 pumping stages.
3.1.3 Cooling
The diaphragm pump is convection-cooled and does not have its own fan.
3.2 Connections
Connection
Description
remote
D-sub socket with 15 pins for connection and configuration of a remote control.
Tbl. 4:
Connection description of the electronic drive unit
Product description
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