18
VERSION 01/2018
ORDER NUMBER DOC 2316596
5 DESCRIPTION
5.1 COMPONENTS
Designation
1 Air motor
2 Reversing valve
3 Silencer
4 Air inlet
5 Product inlet
6 Grounding connection
7 Mounting ange
8 Fluid section
9 Air pressure regulator (option)
10 Ball valve (option)
11 Safety valve (option)
12 Spacer (separating uid tank)
13 Product outlet
B_06865
1
2
3
10
9
11
7
6
12
13
4
8
5
5.2 MODE OF OPERATION
The piston pump is driven with compressed air (4). This compressed air moves the air piston
up and down in the air motor (1) and it also moves the the associated pump piston up and
down in the uid section (8). At the end of each stroke, the compressed air ow is redirected
by a reversing valve (2). The working material is sucked up during the upwards stroke and
is continuously conveyed towards the product outlet (13) in both stroke directions.
5.2.1 AIR MOTOR
The air motor (1) with its pneumatic reversing valve (2) does not require pneumatic oil.
The compressed air can be fed to the motor via an air regulator (9, option) and a ball valve
(10 option). The air pressure regulator (9) is tted with a safety valve (11, see Chapter 5.3.1).
5.2.2 FLUID SECTION
The uid section is designed as a piston pump with ap valves. The pump piston runs in the
upper xed packings which are self-adjusting by means of a pressure spring. This results in
the packing having a long service life. There is a spacer (12) between the air motor and the
uid section. It serves to collect the separating agent.
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