Type code, glossary
General information
T
angential blowers
Glossary Structure of type code
symbol term unit
QLZ 06/2400 A17 -30 25 LH-124 aeh
Radial blowers AC
V
˙
air flow m
3
/h, l/sec EM 30 25 LH-124 aeh
∆P
fa
pressure difference Pa (Pascal)
1 2 3 4 5 6 7 8 9 10
at free air flow
Blower design/series➊
∆P
st
static pressure Pa
difference
QLx = tangential blower
RLx = radial blower AC
former units 1 mmWS 10 Pa
...x = blower series
Radial blowers EC
1 mbar 100 Pa
RG = radial blower EC
AL = axial blower
n speed min
-1
, 1/min
RR = hot air blower
formerly U/min, Upm
Diameter of impeller cm/mm➋
U voltage V (Volt)
Width of impeller, side of motor mounting➌
XX00 = motor right
00XX = motor left
Hot air blowers
f frequency Hz (Hertz)
XX = width of impeller cm/mm
P
Code for mechanical design➍
1
power input W (Watt)
of the blower
Type of motor➎
P
2
power output W (Watt)
EM = shaded pole motor
KM = capacitor motor
I
N
nominal mA (Milliampere)
current draw
BG = DC motor
Axial blowers
Motor series➏
M tourque Ncm, Nm, mNm z.B. 20, 21, 22, 25, 30, 36, 43
former unit 1 kpm 10 Nm
Stack size mm➐
L = longlife bearing bracket➑
LH = high temperature version
LN = low temperature version
B = brake Pumps
Code for mechanical design ➒
of the motor
Code for electrical design ➓
of the motor
Addresses
7
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