New heatless desiccant compressed air dryerThe new Hydrobloc HB Series heatless desiccant compressed air dryer features maintenance-free shuttle valves, high efficiency coalescing prefilter, and particulate removal afterfilter. The optional -100° F. dew point package provides ultradry air for compressed air applications.The maker says the key to the reliability of its dryer is the proprietary shuttle valve. Specially designed to meet the operating demands of continuous-service desiccant dryers, the switching valve has only one moving part and requires no lubrication. The nonlubricated switching valve works in conjunction with two solenoid-operated purge valves. The valve design and u...

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