Kärcher IB 15/120 Manual page 8

Nozzles
NOTICE
The choice of the nozzle depends on
the material of the object to be cleaned
and the contamination.
The available air volume also signifi-
cantly influences the selection of the
nozzle.
Jet aggressive-
ness
Pressure (bar)
Nozzle size
XS Ø5 mm 0,40 0,70 0,90 1,10 1,30 1,60 1,80 2,00 2,30 --
S Ø6 mm 0,70 1,05 1,45 1,80 2,07 2,40 2,78 3,14 3,48 3,78 4,13 4,35 4,70
M Ø7 mm 0,93 1,38 1,85 2,28 2,64 3,05 3,63 4,03 4,57 4,80 5,30 5,80 6,22
L Ø8 mm 1,09 1,64 2,26 2,78 3,20 3,79 4,40 4,95 5,45 5,90 6,40 7,15 7,67
XL Ø9 mm 1,50 2,16 2,88 3,50 4,03 4,60 5,41 6,01 6,53 7,27 8,08 8,70 9,28
XXL Ø10 mm 1,52 2,20 2,97 3,66 4,27 5,00 5,82 6,52 7,40 8,00 8,90 9,50 10,05 10,70 11,30
m /min
3
...1 Industrial compressed
air service network
Entry-level compressor
e.g. Käser M 17,
Compair C 14
1...2 Industrial compressed
air service network
small compressor
e.g. Käser M 31,
Compair C 20GS
2...3 medium compressor
e.g. Käser M 57,
3...5
Compair C 35
5...7 medium compressor
e.g. Käser M 80,
Compair C 55
7...10 large compressor
e.g. Käser M 122,
Compair C 105
10... extra large compressor
e.g. Käser M 250,
Compair C 200
8
All nozzles can be screwed on top of
the threading of the jet pistol without
using any tools. The threaded surfaces
on the nozzle are to be used to loosen
tight nozzles using a spanner.
CAUTION
Risk of cold welding Smear the en-
closed grease on the nozzle threading
before installing it.
very low low
2 3 4 5
Air consumption in m /min
3
Round jet nozzle
Apart from the round jet nozzle deliv-
ered with the machine, other round jet
nozzles with varying cross-sections
are available as accessories.
1 Round jet nozzle, short
2 Round jet nozzle, long
3 Round jet nozzle, extra long
Place the round jet nozzle on the

threaded support of the jet pistol
and tighten it by hand.
Flat jet nozzle
1 Diffuser
2 Union joint
3 Nozzle insert
The flat jet nozzle consists of a nozzle
insert and a diffuser. Nozzle inserts
medium
6 7 8 9
6
-
EN
Selecting the nozzle
The following table shows the air con-
sumption with different nozzles.
Each nozzle is marked with an air vol-
ume index XS - XXL.
By means of the nozzle table the air
consumption for each nozzle can be
determined.
high
10 11 12 13
-- --
with varying cross-sections are availa-
ble as accessories.
Place the nozzle insert on the

threaded support of the jet pistol
and tighten it by hand.
Place the diffuser on the nozzle at-

tachment.
Turn the diffuser in such a way that

the flat jet is properly aligned with
the jet pistol.
Tighten the union joint by hand.

very high
14 15 16
-- -- --
5,10 5,40
6,65 7,15
8,15 8,80
9,80 10,40