Atlas Copco LT2

Instruction book
7.6 Compressor data for LT 20 bar
7.6.1 50 Hz
Compressor type LT2 LT3 LT5 LT7 LT10 LT15/60 LT15 LT20
Maximum working pressure bar(e) 20 20 20 20 20 20 20 20
Temperature at outlet valve,
approx.
- Unsilenced compressor °C 37 49 60 43 56 52 76 90
- Silenced compressor °C 45 57 68 51 64 60 84 96
Power input at max. working
pressure
kW 2.04 2.56 4.21 5.33 6.97 6.25 9.76 12.2
Motor shaft speed r/min 1500 1500 1500 1500 1500 1500 1500 1500
Free air delivery 2) l/s 2.1 2.9 5.0 6.7 9.1 10.2 15.1 18.0
Oil capacity l 0.8 0.8 0.8 1.4 1.4 5.1 5.1 5.1
Opening pressure of relief valve bar(e) 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5
Maximum sound pressure level 1)
-Standard version dB(A) 78 79 79 80 81 85 86.5 86
-Silenced Tank-mounted version dB(A) 65 66 66 70 70 76 77 80
-Base-mounted version dB(A) 63 64 64 68 68 -- 72 75
7.6.2 60 Hz
Compressor type LT2 LT3 LT5 LT7 LT15/60 LT15 LT20
Maximum working pressure bar(e) 20 20 20 20 20 20 20
Temperature at outlet valve,
approx.
- Unsilenced compressor °C 40 53 65 50 55 85 98
- Silenced compressor °C 48 61 73 58 63 90 103
Power input at max. working
pressure
kW 2.48 3.11 5.14 6.66 7.84 12.2 15.1
Motor shaft speed r/min 1800 1800 1800 1800 1800 1800 1800
Free air delivery 2) l/s 2.7 3.6 6.3 8.4 11.9 17.7 20.9
Oil capacity l 0.8 0.8 0.8 1.4 5.1 5.1 5.1
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 1)
-Standard version dB(A) 80 81 81 82 88 89 88
-Silenced Tank-mounted version dB(A) 67 68 68 72 81 85 83
-Base-mounted version dB(A) 65 66 66 70 76 80 78
2920 1585 00 - 68 -