Atlas Copco LT 2 - Page 72

Compres
sor type
LT 2 LT 3 LT 5 LT 7 LT 10 LT 15 LT 20
Opening
pressure
of relief
valve
bar(e) 6.5 6.5 6.5 6.5 6.5 6.5 6.5
Maximum sound pressure level (Note 2)
- Tank-
mounted
dB(A) 78 79 79 80 81 86.5 86
- Tank-
mounted
with hood
dB(A) 65 66 66 70 70 77 80
- Base-
mounted
with hood
dB(A) 63 64 64 68 68 72 75
60 Hz (20 bar)
Compress
or type
LT 2 LT 3 LT 5 LT 7 LT 15 LT 20
Maximum
working
pressure
bar(e) 20 20 20 20 20 20
Temperature at outlet valve, approx.
-
Unsilenced
compressor
ºC 40 53 65 50 55 98
- Silenced
compressor
°C 48 61 73 58 63 103
Power input
at max.
working
pressure
kW 2.48 3.11 5.14 6.66 7.84 15.1
Motor shaft
speed
r/min 1800 1800 1800 1800 1800 1800
Free air
delivery
(Note 1)
l/s 2.7 3.6 6.3 8.4 11.9 20.9
Oil capacity l 1 1 1 1.8 5.1 5.1
Opening
pressure of
relief valve
bar(e) 6.5 6.5 6.5 6.5 6.5 6.5
Maximum sound pressure level (Note 2)
- Tank-
mounted
dB(A) 80 81 81 82 88 88
- Tank-
mounted
with hood
dB(A) 67 68 68 72 81 83
Instruction book
70 2920 7089 90