Guide Specs

SERIES 22F UTILITY FAN, STATIONARY, FLAT BASE SK-880-22FNOVEMBER, 1997

The Utility Fan, Stationary, Flat Base, shall be manufactured by Hartzell Fan, Inc.®, Series 22F. Standard sizes are 20" through 36". The fan shall be a rugged heavy duty industrial design, with the Series 22 having an extra heavy base and tilt head. The fan shall be packaged, completely assembled and ready to install.

The utility fan propeller shall be an airfoil design, cast of 319 aluminum alloy in compliance with Federal Specification QQ-A-601E and ASTM B26. The propeller shall be guarded by OSHA approved guards and shall run in a solid ring with rolled angle tip seal.

The motors shall be totally enclosed air over continuous duty. Motors shall be mounted for easy maintenance.

Fan housing shall be minimum 14 gauge commercial quality carbon steel welded in compliance with AWS D1.1 standard. Standard surface coating system shall be phosphatized surface preparation with an industrial grade air dry enamel paint.

The fan assembly shall be dynamically balanced at the Hartzell factory prior to shipping. Fans shall be balanced in accordance with AMCA Standard 204-96, fan application category BV-3 (comparable to Grade G6.3). Fans shall be manufactured in accordance with Hartzell's standard quality assurance procedures. Fan performance shall be based on tests conducted in Hartzell's AMCA accredited test laboratory and in accordance with the latest revision of AMCA Standard 210 for air performance and AMCA Standard 300 for sound.