User manual

Industrial Air Division
292920 1163 04
6.5.4 Specific data of GA45/GA45 W 1)
Compressor type 7.5 10 13 100 125 150 175
Frequency ....................................................... Hz 50 50 50 60 60 60 60
Number of compression stages ...................... 1 1 1 1 1 1 1
Maximum (unloading) pressure
(for Pack compressors) ...................................bar(e) 7.5 10 13 7.4 9.1 10.8 12.5
Maximum (unloading) pressure
(for Full-feature compressors)......................... bar(e) 7.25 9.75 12.75 7.15 8.85 10.55 12.25
Nominal working pressure ..............................bar(e) 7 9.5 12.5 6.9 8.6 10.3 12
Minimum working pressure .............................bar(e) 4 4 4 4 4 4 4
Maximum air inlet temperature 2) ................... °C 40 40 40 40 40 40 40
Minimum air inlet temperature ........................ °C 0 0 0 0 0 0 0
Temperature of air leaving air outlet valve at
nominal working pressure, approx. (for Pack
compressors) 3) .............................................. °C 33(30) 30 30 33(30) 33(30) 30 30
Temperature of air leaving air outlet valve at
nominal working pressure, approx. (for
Full-feature compressors) 3)........................... °C 28(25) 25 25 26 26 23 23
Oil capacity, approx......................................... l 17.5 17.5 17.5 17.5 17.5 17.5 17.5
Sound pressure level, according
to CAGI PNEUROP......................................... dB(A) 75 74 73 78 77 77 77
Compressor electrical power input 4) ............. kW 49.9(53.0) 49.1(51.7) 49.8(52.2) 54.5 54.9 55.4 55.2
Compressor electrical power input 5) ............. kW 50.8(53.8) 49.9(52.6) 50.7(53.0) 55.8 56.2 56.6 56.4
Compressor motor, SIEMENS type 1LA5 ....... 208-2 208-2 208-2 208-2 208-2 208-2 208-2
Fan motor, SIEMENS type 1PP5 .................... 090-4 090-4 090-4 090-4 090-4 090-4 090-4
For water-cooled compressors also:
Maximum cooling water outlet temperature.... °C 50 50 50 50 50 50 50
Maximum cooling water inlet pressure............ bar(e) 5 5 5 5 5 5 5
6.6 Conversion list of SI units into British units
1) At reference conditions
2) 35°C for Full-feature compressors; 40°C for Full-feature compressors designed for operation in tropical conditions (consult Atlas
Copco)
3) Figures between brackets refer to water-cooled compressors
4) For water-cooled compressors. Figures between brackets refer to Full-feature compressors
5) For air-cooled compressors. Figures between brackets refer to Full-feature compressors
1 mbar = 0.401 in wc
1 N = 0.225 lbf
1 Nm = 0.738 lbf.ft
x°C = (32 + 1.8x) °F
∆t 1°C = ∆t 1.8 °F
1 bar = 14.504 psi
1 g = 0.035 oz
1 kg = 2.205 lb
1 km/h = 0.621 mile/h
1 kW = 1.341 hp (UK and US)
1 l = 0.264 US gal
1 l = 0.220 Imp gal (UK)
1 l = 0.035 cu.ft
1 m = 3.281 ft
1 mm = 0.039 in
1 m
3
/min = 35.315 cfm