Rotary airlock are used as metering devices for dry free flowing materials of various Size shapes, used with mixers, tanks, blenders, silos, classifiers, dryers, dust collectors, hoppers and cyclone collectors. The capacity of digidale valves varies from 50 kg/hr to 50, 000 kg/hr depending on the product characteristics and virtually in almost all industries working under adverse operating conditions of temperature and pressure. As per customer requirment