Lubricated rotary screw compressor

Atlas Copco GA 55

Under construction. This comparison tool is still being built: do not base a purchasing decision on this data. Always confirm with your local distributors.

Reference flow: 385 cfm100 psig (≈ 6.9 bar)
Power: 75 hp55 kW
Type: Fixed speed
Manufacturer: Atlas Copco
Line: GA 30+-90
Stages: n/a
Cooling: Air
Voltage: n/a
Frequency: 50 Hz · 60 Hz
Brochure market: Worldwide
CSA: n/a
CRN: n/a
Source: Manufacturer’s page

Published flow by pressure

60 Hz

Pressure	Flow	In m³/min
100 psig (≈ 6.9 bar)	385 cfm	≈ 10.9 m³/min
125 psig (≈ 8.6 bar)	354 cfm	≈ 10.02 m³/min
150 psig (≈ 10.3 bar)	331 cfm	≈ 9.37 m³/min
175 psig (≈ 12.1 bar)	304 cfm	≈ 8.61 m³/min

50 Hz

Pressure	Flow	In m³/min
7 bar (≈ 102 psig)	378 cfm	≈ 10.7 m³/min
8 bar (≈ 116 psig)	362 cfm	≈ 10.25 m³/min
9.5 bar (≈ 138 psig)	321 cfm	≈ 9.09 m³/min
12.5 bar (≈ 181 psig)	287 cfm	≈ 8.13 m³/min

Values published by the manufacturer, at its reference conditions; no interpolation. “≈” = converted from another published unit.

Comparable models

Compare side by side

Model	Flow	At pressure	Power	Market
ELGi EG 55	380 cfm	7 bar (≈ 102 psig)	75 hp	Worldwide
Kaeser CSD 110	≈ 376.1 cfm	7.5 bar (≈ 109 psig)	≈ 74 hp	Worldwide
Chicago Pneumatic CPI75	368 cfm	7 bar (≈ 102 psig)	75 hp	North America
Sullair ST5508	348 cfm	115 psig (≈ 7.9 bar)	75 hp	North America
Hertz Kompressoren HSC 55	≈ 341.1 cfm	7.5 bar (≈ 109 psig)	75 hp	Worldwide
Gardner Denver ESM55FC	≈ 392 cfm	7.5 bar (≈ 109 psig)	≈ 74 hp	Europe / international
ABAC FORMULA M55 A 7,5	≈ 364.3 cfm	7.5 bar (≈ 109 psig)	75 hp	Europe / international
FINI PLUS 75-08	431 cfm	7.5 bar (≈ 109 psig)	100 hp	Europe / international

Same type, flow within ±25% at the same pressure. The closest model from each manufacturer. Flows at each manufacturer’s conditions, no ranking.

Other GA 30+-90 models

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