ABB PGC2000 - Checking Backflush Flow

2000-OSM, F1 2-13
Checking Backflush Flow
1. Connect the flow-measuring device to the Backflush Vent and verify that Valves One and Two are
OFF (see Figure 2-8).
2. Adjust the Backflush Vent restrictor to the flow rate stated in the Data Package.
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
CARRIER
IN
COLUMN
PRESSURE
ADJ
PI
AIR IN
AIR OUT
VALVE “OFF”
AIR IN
AIR OUT
VALVE “OFF”
SAMPLE
VENT
SAMPLE
IN
ANALYTICAL
FLOW ADJ
BACKFLUSH
VENT
COLUMN 1
SAMPLE
LOOP
COLUMN
2
COLUMN
3
DETECTOR
SELECTOR
FLOW ADJ
SELECTOR
VENT
CELL
VENT
Figure 2-8. CHECKING BACKFLUSH FLOW