1.compressor head 2.ISO9001:2000 Quality Certification 3.Safety Certification compressor head (compressor pump, air compressor head) is for industrial use. The compressor pump has two types: unloading and automatic. Heavy duty design. Stable and reliable quality.Specification of HET120two stage, 12.5 bar, popular for car shop using. heavy duty design. Model Bare PumpSuitable RangeBore(mm) x ...