Pneumatic And Hydraulic Equipment Page 682

NOTE These filters will remove most liquid and solid particles from the compressed air. Water vapor, however, will pass through the filters and could condense into liquid form downstream. Install an air dryer if water condensation will have a detrimental effect on the application. Standard Service Life Indicator - Senses air pressure upstream and downstream from the filter element. The indicator shows green when the pressure drop is below 5 psid. As pressure differential increases across the filter element with retention of solid particles, the indicator changes from green to red. When the indicator shows more red than green, the pressure differential is in excess of 10 psid and the element should be replaced. Activated Carbon Cartridge Element - Acts as an adsorbent to remove oil vapors. Ultra high efficiency of the carbon element optimizes air velocity and contact time to reduce the maximum oil content in the air leaving the filter to 0.003 ppm at 70F. FILTER OPERATION General Purpose Filters Remove liquids and solid particles down to 5 microns, depending on the selected filter element rating. Use for most industrial applications, such as factory compressed air lines and machinery, and as a prefilter for the Oil Removal (Coalescing) Filter. Oil Removal (Coalescing) Filters Remove submicron solid particles and oil aerosols down to 0.01 micron. Maximum remaining oil content of air leaving the filter is 0.01 ppm at 70F with a 10 ppm inlet concentration. Oil Vapor Removal (Adsorbing) Filters Remove oil vapors. Maximum remaining oil content of air leaving the filter is 0.003 ppm at 70F within rated conditions. Optional Service Life Indicator - Senses air pressure upstream and downstream from the filter element. The indicator shows green when the pressure drop is below 5 psid. As pressure differential increases across the filter element with retention of solid particles, the indicator changes from green to red. When the indicator shows more red than green, the pressure differential is in excess of 10 psid and the element should be replaced. Louvers - Air entering the filter is guided into a swirling pattern by the louvers. Coarse solid particles and liquids are forced to the bowl wall by centrifugal force and drop to the bottom. Coalescing Element - Coalesces submicron oil aerosols into large, heavy drops that flow downward through the element sidewall and drop to the bowl bottom. Also removes submicron solid particles. Filter Element - Removes most solid particles. Baffle - Creates a quiet zone at the bowl bottom and prevents air turbulence from picking up liquids and returning them to the air stream. Manual or Automatic Drain - Dumps accumulated liquids. Manual or Automatic Drain - Dumps accumulated liquids. Use in industrial applications that require a very clean air supply virtually free from oil aerosols. NOTE: For a maximum service life and efficiency, oil removal filters should be protected upstream by a 5-micron general purpose filter. Use in industrial applications that demand instrument grade air. NOTE: Vapor removal filters MUST be protected upstream by an oil removal filter. Norgren (314) 427-0600 800-444-0522 (FAX) 314-427-3502 www. j hf.com JHF Catalog [ Volume 7 ] 682 Prices Subject to Change Without Notice John Henry Foster pneumatic and hydraulic equipment

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