Standard 199 testing aims to challenge dust collectors in ways that mimic real-life use. The testing methodology requires use of calcium-carbonate dust with a specific particle size, bulk density, and moisture content, as outlined in the standard. The methodology includes six stages:
As measured by pound per square inch (Psig) gauge, differential pressure is the energy required to move a given volume of water through a system. Higher differential pressure readings mean higher operational costs. A well-designed primary filter for a dust collector, manufactured properly, can release dust during the reverse-pulse cleaning cycle and reduce cleaning frequency, which helps the system maintain a low pressure drop throughout the service life of the filter.
As measured in milligrams per cubic meter of air or mg/m3, measures how much material passes through the dust collector filters during normal operations. Measuring emissions potentially helps meet certain EPA regulations.
As measured in ft3/1000ft3, the amount of compressed air consumed can be used as an indicator for the amount of energy required to power the pulse cleaning system. This measurement indicates the effectiveness of the self-cleaning system because more efficient pulse cleaning consumes less compressed air.
As measured by kWh over the time of the test, less energy used means lower overall energy costs. Energy is required to run the dust collector’s filter pulse cleaning system, the fan that pulls air through the system and the variable frequency drive that helps to maintain a constant air flow and static pressure. More efficient pulse cleaning and lower average pressure drop across the filters reduces the amount of energy required by the fan, extends the service life of the filter and reduces overall energy consumption.