Guide Specs

SERIES 14B BELTED REVERSIBLE RING FANS SK-880-14B NOVEMBER, 1997

The Belted Reversible Ring Fan shall be manufactured by Hartzell Air Movement, Series 14B. Standard sizes are 18" through 60". The fan shall be packaged, completely assembled and ready to install.

The reversible 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 fan shaft using a split taper bushing or a clamp block arrangement. The fan bearings shall be relubricable, heavy duty, self aligning type selected for continuous service. The belt(s) shall be oil, heat and static resistant, sized for continuous duty. Fixed pitch drives shall be standard.

Solid rolled rod motor mounts provide support for the motor. Motors shall be totally enclosed air over type. All fractional motors shall be permanently lubricated, non-regreasable. Integral horsepower motors shall be 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 double fan orifice. Standard surface coating system shall be 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.