In this post, CPMC China would love to present you the specification of the Atlas Copco Centrifugal Air Compressors models such has ZH and ZH+ (ZH plus): ZH 355-900 (355-900 kW/500-1200 hp) ZH+ & ZH 630-1600 (630-1600 kW/900-2250 hp) ZH 1000-3150 (1000-3150 kW/1400-4350 hp).