E1-16, E3-16, E5-16, E7-16, and E9-16 represent the full range of filter cartridge models from Hankison, Inc. (or their compatible alternatives) for compressed air pipeline precision filters. The "-16" indicates the filter housing or flow rate specification, while the prefix corresponds to different filtration levels (precision).
Below is a comparison of the filtration levels, main functions, and complete technical specifications for each model in this series: Filtration Level and Function Analysis According to Hankison's official standards, the filtration precision and function of this series of filter cartridges increase progressively from E9 to E1:
E9-16 (Nine-stage - Main Pipeline Filter) Main Function: Used to remove large amounts of liquid and condensates larger than 3 microns. Precision Specifications: Residual oil content not exceeding 5 ppm. Typical Applications: Typically used as the first line of defense in air compressor aftertreatment, protecting downstream equipment such as refrigerated dryers.
E7-16 (Seven-stage - Air Line Filter) Main function: Filters liquids and moisture in main pipelines and removes solid particles as small as 1 micron. Accuracy index: Residual oil content not exceeding 1 ppm. Typical application: Suitable for intake protection of conventional pneumatic equipment such as tools, motors, and cylinders.
E5-16 (Five-stage - High-efficiency Oil Removal Filter) Main function: Condenses water vapor and fine oil mist, removing solid particles as small as 0.01 microns. Accuracy index: Residual oil content not exceeding 0.01 ppm. Typical application: Protects precision control instruments, pneumatic logic systems, and other oil-sensitive equipment.
E3-16 (Three-stage - Ultra-high-efficiency Oil Removal Filter) Main function: Extremely efficient at condensing fine oil mist and ultrafine solid particles, also targeting 0.01 micron particles. Accuracy index: Residual oil content not exceeding 0.001 ppm. Typical application: As a pre-filter for adsorption dryers, high-precision measuring instruments, or process gases.
E1-16 (Level 1 - Activated Carbon Micro-Oil Vapor Filter) Main Function: Contains an activated carbon adsorption layer, specifically designed to adsorb oil vapor and odors that cannot be filtered out by typical condensation filter cartridges. Accuracy Index: Residual oil content not exceeding 0.003 ppm. Typical Applications: Suitable for industries with extremely high requirements for gas cleanliness, such as food processing, pharmaceutical packaging, painting, and chip manufacturing.