... are all authorized the ISO9001:2000 Quality Management System Certificate and we established an Automatic Unit Inspection ... 0Z, NJ-BF5.0Z:Copeland semi-hermetic piston compressor, oil separators, air-cooled condenser, axial flow fan, liquid reservoir, filter ... NJ-BF20Z, NJ-BF25Z:Copeland semi-hermetic piston compressor, oil separators, air-cooled condenser, axial flow fan, liquid reservoir, filter ...