Guide Specs

SERIES 01R DIRECT DRIVE RING FAN, REVERSE FLOWSK-880-01RFEBRUARY, 2002

The Direct Drive Ring Fan, Reverse Flow shall be manufactured by Hartzell Fan, Inc., Series 01R. Standard sizes are 12" through 72". The fan shall be packaged, completely assembled and ready to install.

The ring fan propeller shall be an airfoil design, cast of 319 aluminum in compliance with Federal Specification QQ-A-601E and ASTM B26. Propellers shall be retained on the motor shaft utilizing a split taper bushing or a clamp block arrangement.

Solid rolled rod motor mounts shall provide support for the motor. Steel motor base and solid steel support rods shall be oversized to provide structurally rugged construction. Steel mounting pads can be attached to either the small diameter or the large diameter of the orifice ring for alternate mounting options. Motors shall be totally enclosed air over type. All fractional motors shall be permanently lubricated, non-regreasable. Integral horsepower motors are supplied with regreasable bearings. Fans shall be designed for mounting in any position from horizontal to vertical.

The propeller shall be mounted in a high efficiency air seal fan orifice with the smaller diameter of the ring overlapping the propeller tips. 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, 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 in accordance with the latest revision of AMCA Standard 210 for air performance and AMCA Standard 300 for sound performance. Fans shall be licensed to bear the AMCA Certified Air Performance Rating Seal.