supply, installation and commissioning of noiseless / silent air compressor along with air purification system, ss tubing, pure gas handling chamber and 19 inch rack for ring test and static injection facility supply, installation and commissioning of noiseless / silent air compressor along with air purification system, ss tubing, pure gas handling chamber and 19 inch rack for ring test and static injection facility at rd bengaluru , part a , air compressor 250 lit capacity ( noise less ) . , charcoal filter , regeneration dryer , other charges , part b , supplying and fixing of stainless steel pipes for calibration gas flow , pure gas handling chamber , 19” ( inch ) rack for housing analysers, calibrators, mfc controller and ozone generator. , other charges