Description Voortex Tube Air Conditioner Waistcoat Compressed Air Cooling Vest Welding SteelCooling vests which use voortex tube cooling air can be generated by adjusting the 30 degree temperature difference between the upper and lower air conditioning and then through a hose to cool air delivered to all parts of the vest so that users feel cool and comfortable Thereby increasing labor efficiency and production safety Features Cooling power up 2500Btu H 630 Kcal H at 100psi pressure power is 2800BTU H 821Kcal H Gas flow rates up to 35 SCFM 990 SLPM No moving parts portable lightweight inexpensive No electricity freoon or chemical refrigerant only filtered compressed air for industrial use No danger of sparks flash no wireless radio frequency interference No need to clean up the residue without cleaning components Instant on off easy to control cooling does not produce any waste Enter the amount of compressed air 10 15 25 and 35 SCFM 280 420 700 990 SLPM can produce up to 2500 Btu H 630 Kcal H cooling capacity Only manual knobs and adjust the air outlet temperature thermometer If the compressed air inlet pressure and temperature remain constant the outlet temperature of the voortex tube will be kept within the range of ± 1 ° F ± 0 6 ° C for sustained Suitable for high temperature high fever high humidity specially for cold labor protection environments Such as metallurgy forging welding glass fire petroleum pow