Alfa Laval S 921 - Page 47

8.3 Connection list 8 Technical Reference
8.3 Connection list
Alfa Laval ref. 567321 Rev. 2
Connection Description Requirements/limits
No.
201 Inlet for process liquid
- Max. Allowed density See 8.2 Technical data on page
179.
- Allowed flow Max. 4,5 m³/h
- Allowed temperature Min. 0°C Max. 100°C
206 Inlet for conditioning and displacement
Liquid
Fresh water
- Instantaneous flow 0,9 litres/min
220 Outlet for light phase, clarified liquid
- Counter pressure 0-250 kPa
221 Outlet for heavy phase
- Counter pressure No counter pressure
222 Outlet for solid phase The outlet from the cyclone must
always be arranged to prevent the
cyclone from being filled up with
sludge. Solids are discharged by
gravity.
- Small discharge
- Large discharge Total discharge
- Discharge frequency Max. 24 discharge/h
375 Inlet for discharge and make-
up liquid
- Quality requirements See ”Demand specification w
ater”
- Max. density 1000 kg/m³ min.
- Pressure min. 150 kPa
Make-up liquid
- Flow (momentary) 2,8 litres/min
- Consumption 1,7 litres/h
- Interval 5 min
- Time 3 seconds
Discharge liquid
- Flow 11 litres/min
- Consumption 0,55 litres/di
scharge
- Time 3 seconds
Closing liqu
id
- Flow 2,8 litres/
min
- Consumpti
on
0,7 litres/
discharge
- Time 15 seconds
Start up c
losing liquid
- Flow 11litre
s/min
- Time 5 secon
ds
462 Drain of frame top part, lower
180