Karcher IV 100 - 55 M B1 - Manual (Page 19)

English 5.906-587.0 Rev. 00 (05/14) 19
Calculation of the pressure losses in the sections:
Note
All sections together reveal the entire pressure loss plus
10-20% security.
Example:
Alignment of the overall pressure loss with the vacuum
cleaner characteristic.
Example:
With a pressure loss performance of 128 mbar, a volume
flow of ~330 m³/h remains with IV 100/55.
11.5 Step 5
Section Suction hose Lengt
h
Component Flow speed Pressure loss
1 DN 80 25 m 3x Y-pieces
2x 90° bends 27.63 m/s 32.63 mbar
2 DN 60 5 m 24.56 m/s 6.03 mbar
3 DN 51 5 m 1x custom component
(Suction hose) 35.37m/s 18.01 mbar
 110.94 mbar + 15% security addition = ~128 mbar
11.6 Step 6