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500 750
4
6
0 250 1000
2
0
Air Flow (CFM)
Vacuum
(Inches WG)
SF 2400
LTA 3.1/4.1
PRESSURE DROP - SF2400 Fan
and LFA 3.1/4.1 Arms
LFA 3.1 & 4.1 FUME EXTRACTION ARMS
A-1
INSTALLATION
A-1
Technical Specifications- LFA 3.1 & 4.1 Fume Extraction Arms
NOTE: Technical Specifications are subject to change without prior notice. Specifications and guarantees are
valid only when specified spare parts and filters are used.
Sales Specification K1655-1 K1655-2
Description LFA 3.1, 10 ft. Extraction Arm LFA 4.1, 13 ft. Extraction Arm
Arm Length (including hood) 9.85 ft. (3 m) 13.13 ft. (4 m)
Nominal Diameter 8.0 in. (203 mm)
Recommended Capacity 350 CFM (600 m
3
/h) - 940 CFM (1,600 m
3
/h)
Weight 33 lbs. (15 kg) 37 lbs. (17 kg)
GENERAL
Min. Temperature 41
o
F (5
o
C)
Max. Temperature 113
o
F (45
o
C)
Max. Rel. Humidity 80%
AMBIENT CONDITIONS
0 ft.3 ft.6 ft.10 ft.13 ft.
0 ft.
3 ft.
6 ft.
10 ft.
13 ft.
16 ft.
0 ft. 3 ft. 6 ft. 10 ft. 13 ft.
0 ft.
3 ft.
6 ft.
10 ft.
13 ft.
16 ft.
20 ft.