Lau Industries(Minneapolis) has introduced a new generation of VXD (compact Vaneaxial direct drive) and VXB (belt drive) vaneaxial fans. Performance capabilities include volumes exceeding 120,000 cfm, static pressures to 7 in wg, operational tip speeds to 22,000 fpm, and power requirements under 150 hp. The fans are available in sizes 120 through 600.