Installation, Operation and Maintenance manual
32
DFPRE Large Dust Collectors
SPECIFICATION
For other specifications on this product refer to the datasheet, publication
number DOCAM1382701 (DFPRE 4L and 6L) or DOCAM1449401 (DFPRE 9L
an 12L).
For controller specifications refer to controller manual, publication number
DOCAM0097301.
TABLE 2 – COMPRESSED AIR MANIFOLD DESIGN DETAILS
Design pressure:
8 bar
Maximum operating pressure, PS:
7 bar (101.5 psig)
Test pressure:
11.5 bar
Design temperature:
-20° to +70°C
Manifold volume:
DFPRE 4L:
7 liters
DFPRE 6L:
9 liters
DFPRE 9L:
13 liters
DFPRE 12L:
13 liters
Product of pressure and capacity:
DFPRE 4L:
49 bar liters
DFPRE 6L:
63 bar liters
DFPRE 9L:
91 bar liters
DFPRE 12L:
91 bar liters
Material used for manifold construction:
Structural hollow section according to EN13445
1 bar = 10
5
Pa
TABLE 3 – COMPRESSED AIR REQUIREMENTS
Collector type
Working
compressed air
pressure
a
Atmospheric air
volume - F.A.D.
b
Pulse
duration
Approximate
compressed air
usage
at 12 sec. intervals
b
DFPRE 4L
6-7 bar
13.5 m
3
/h
100 ms
45 liters per pulse
at 12 sec. intervals
b
DFPRE 6L
6-7 bar
13.5 m
3
/h
100 ms
45 liters per pulse
at 12 sec. intervals
b
DFPRE 9L
6-7 bar
15.3 m
3
/h
100 ms
51 liters per pulse
at 12 sec. intervals
b
DFPRE 12L
6-7 bar
15.3 m
3
/h
100 ms
51 liters per pulse
a
Normal operating pressure.
b
Recommended initial settings; these may be varied with experience.
c
Sizes suitable for runs of pipe up to 30 m (100ft) in length; for longer runs consult with Donaldson.
1 bar = 10
5
Pa
