Profile: Compressor Engineering Corp. offers compressors, refrigeration components, gas transmission, polymer products and laser cutting. We provide a complete line of replacement poppets and springs for CECO, ball, gas & air specialties, clark and cooper poppet valves. Air/oil separators for rotary screw and vane type air compressors provide the ultimate filtration with a micron rating of 0.3. All particles larger than 0.3 microns which pass through the air and lube oil filters will be trapped by the separator.