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Super Finish 23 PLUS
 
GB
GENERAL VIEW OF APPLICATION
3. 
DESCRIPTION OF UNIT
3.1 
AIRLESS PROCESS
The main area of application are thick layers of highly viscous 
coating material.
At the Super Finish 23 PLUS unit a diaphragm pump takes in 
the coating materials and transports it via a high-pressure 
hose to the spray gun with the airless tip. Here the coating 
material atomizes since it is pressed through the tip core at 
a maximum pressure of 25 MPa (250 bar, 3625 psi). This high 
pressure has the effect of micro fine atomisation of the coat-
ing material.
As no air is used in this process, it is described as an AIRLESS 
process.
This method of spraying has the advantages of finest atomisa-
tion, cloudless operation (depending of a correct unit adjust-
ment) and a smooth, bubblefree surface. As well as these, the 
advantages of the speed of work and convenience must be 
mentioned.
3.2 
FUNCTIONING OF THE UNIT
The following section contains a brief description of the tech-
nical construction for better understanding of the function:
Super Finish 23 PLUS is an electrically driven high-pressure 
paint spraying equipment.
The electric motor (1) drives the hydraulic pump via planetary 
gears (2). A piston (3) is moved up and down so that hydraulic 
oil is moved under the diaphragm (4) which then moves.
In detail:
The downwards movement of the machine opens the disk in-
let valve (5) automatically and coating material is sucked in.
During the upwards movement of the diaphragm, the coating 
material is displaced and the outlet valve opens while the inlet 
valve is closed.
The coating material flows under high pressure through the 
high-pressure hose to the spray gun and is atomized when it 
exists from the tip.
The pressure control valve limits the set pressure in the hy-
draulic oil circuit and thus also the pressure of the coating 
material.
A pressure change when the same tip is used also leads to a 
change in the amount of paint  atomized.
  
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2.2.2 
FILTERING
Sufficient filtering is required for fault-free operation. To this 
purpose the unit is equipped with a suction filter (Item 1) and 
an insertion filter in the spray gun (Item 2). Regular inspec-
tion of these filters for damage or soiling is urgently recom-
mended.
A high-pressure filter (Item 3) -available as accessory- is rising 
up the filtering surface and will make the work more comfort-
able.
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