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> New tjernlund ef-12 duct booster fan EF12
New tjernlund ef-12 duct booster fan EF12
NEW TJERNLUND EF-12 12" DUCT BOOSTER FAN
EF-12 DUCT FAN FOR 12" FLEX OR METAL DUCT
Used as a means of increasing air flow through duct work or as an exhaust fan to vent non-combustible air or fumes from enclosed spaces. The maximum air flow operating temperature for the EF-Series is 150
0 F. (650 C.). Can be used as a duct booster fan, outdoor air supply, spot ventliation, bathroom exhaust and warehouse / pole barn exhaust.
EF-12 Air Flow Specifications:
Free air 875 cfm, 25' duct lenght 800 cfm, 50' duct length 700 cfm, 75' duct length 600 cfm. The cfm are based on straight metal duct. 90 degree elbows are equivalent to 10 feet of straight duct. Performance based on 70 degrees F. standard air. MAX TEMP. 150*F
* The number after EF- matches the round duct diameter. Example: The EF-12 connects to 12" round duct.
* For complete performance specifications, consult factory or . See attached link SPECIFICATIONS: http://tjernlund.com/Tjernlund_8506004.pdf PAGE 4
CAUTION: This device is not designed to vent bi-products of combustion or combustible fumes
