Alfa Laval S 921 - Page 46

8 Technical Reference 8.2 Technical data
8.2 Technical data
Alfa Laval ref. 574297 Rev. 3
Subject
Value
Unit
General technical data:
Motor power:
5,5 / 6,4 kW 50Hz/60Hz
Jp reduced to motor
5,01/3,45 kgm
2
50Hz/60Hz
Gear ratio: 50 Hz 283 / 70
Gear ratio: 60 Hz 235 / 70
Alarm levels for vibration monitor,
connection 752, 1st/2nd:
0,2 / 0,3
mm
Max. bowl inner diameter:
208,5
mm
Min./Max. discharge interval: 2 / 240
minutes
Max. density of operating liquid:
1000
kg/m³
Max. density feed/sediment: 1100 / 2327 kg/m³
Min./Max. feed temperature: 0 / 100 °C
Max. running time without flow, bowl
empty/filled:
30 / 30
minutes
Bowl material: AL 111 2377-02
Operating data:
Bowl speed, synchronous: 50 Hz / 60
Hz
12129 / 12086 r/min
Motor speed, synchronous: 50 Hz / 60
Hz
3000 / 3600 r/min
Maximum allowed speed:
r/min
Max. power consumption, start-up:
6,4
kW
Power consumption, idl
ing/max.
capacity:
2,6 /6,3
kW
Starting time min./max.: 60 / 150
seconds
Stopping time min./max.: 10 / 25
minutes
Sound power:
9
Bel(A)
Sound pressure:
76
dB(A)
Max. vibratio
n level, separator in use:
9,1
mm/second (r.m.s)
Volume and Capacity data:
Maximum hyd
raulic capacity, bowl:
5,5
m³/h
Bowl liqui
d volume:
1,8
litres
Fixed dis
charge volume:
1,6
litres
Sludge volume, efficient/total: 0,23 / 0,74
litres
Lubric
ating oil volume:
1,7
litres
Weight information:
Moto
r drive weight:
58
kg
Bow
l weight:
35
kg
Separator total::
315
kg
179