Aerotech Vortex Fans Aerotech Vortex®Fans 26″, 51″, 55″ Vortex fan line The Vortex® fan line utilizes a number of features which maximize its performance. This fan isbuilt from inside-out to provide maximum performance and efficiency. The 3-blade cast aluminum airfoil propeller gives the Vortex fans higher airflow. Many parts of this fan work together to increase the efficiency standards. The streamlined fiberglass housing and fiberglass Rifled™ discharge cone make it stand out. State-of-art shutter design usingcounter-weighted airfoil blades, intake channel and weather-tight seals. The inside of the fan continues Aerotech’s high standards with the aircraft design drive support for minimum airflow resistance and increased efficiency. The 51″ and 55″ fans feature high quality pillow block bearings and include advanced drive system and high quality belt tensioner with stainless steel hardware and fasteners for long life. The 26″ Vortex takes the same technology fromthe 51″ and 55″ and transforms it to a direct drive variable speed fan. The Vortex fan line is available in single phase, 3 phase and 2 speed, with 50 hertz motors available for most models. Contact your Aerotech Representative or the Aerotech office for moreinformation. PRODUCT INFORMATION U.S. Patents 6,386,828; 6,616,404 and 6,953,320. Cast aluminum 3-blade airfoil propeller Fiberglass housing Shutter design uses counter-weighted airfoil blades and bell mouth intake. Stainless steel hardware and fasteners Fiberglass Rifled'” discharge cone for added performance Aircraft design drive support for minimum airflow resistance 51 ” & 55″ feature pillow block bearings 51 ” & 55″ include advanced drive system and high quality belt tensioner 26″ direct drive variable speed with superior performance 26″ Vortex The 26″ fan takes the technology from the 51″ and 55″ and blends into a direct drive variable speed fan designed for precise control over your building. Performance Information: Fan complete with discharge cone, guard and plastic shutter 0.0″ SP 0.05″ SP 0.10″ SP 0.15″ SP BESS LabTest No. CatalogNo. Prop.Dia. DriveType MotorHP PropRPM Max.BHP ShutterType CFM CFM Watt CFM CFM Watt CFM CFM Watt CFM CFM Watt VX26F1CRVX26F3SCR 26.5″26.5″ DirectDirect 1/31/3 10751130 0.390.49 AirfoilAirfoil 8,1309,060 20.719.0 7,6008,580 18.617.4 7,0008,050 16.615.8 6,2207,550 14.414.5 0013601360 VX511FCR VX5115FCR* VX512FCR* 51″51″51″ Belt Belt Belt 11.52 525575625 1.321.732.20 Airfoil Airfoil Airfoil 28,90031,10032,000 26.522.519.1 27,10029,90031,200 24.020.818.1 24,90028,20030,000 21.018.816.8 22,30026,40028,200 188.8.131.52 992239922504103 VX511FCP VX5115FCP VX512FCP* 51″51″51″ Belt Belt Belt 11.52 540575625 1.371.692.10 Standard Standard Standard 27,70029,50030,900 24.120.917.9 26,10028,00029,700 21.819.116.7 24,20026,30028,200 19.617.415.5 22,30024,70026,600 17.615.914.3 023830238604104 VX5515FCR* VX552FCR* 55″55″ BeltBelt 1.52 485535 1.772.42 AirfoilAirfoil 34,00039,300 22.719.1 32,00037,200 21.017.9 29,80035,000 19.216.7 26,90032,500 17.115.4 0614606147 VX5515FCP*VX552FCP* 55″55″ BeltBelt 1.52 485540 1.772.43 StandardStandard 31,10036,100 20.418.2 29,30034,400 19.116.9 27,40032,500 17.515.7 25,10030,500 15.814.4 0612507192 *Performance values of these fans at lower static pressures exceed the BESS Lab test capabilities and were calculated through regression analysis of CFM and CFM/Watt measurements for higher static pressures. Notes: 1. The ratings shown are based on tests and procedures performed at the BESS Lab, University of Illinois in accordance with ASHRAE Standard 51-1999. 2. BHP values were not measured at the BESS Lab. The BHP values shown were derived from actual Watt measurements using motor efficiency values supplied by the motor manufacturers.