Fans & Blowers
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- Axial fans have been designed from experience and techniques borrowed from the Airbus design, computer simulation, and customer input. Axial fans are available in both direct drive and belt drive. The axial flow fan involves the motor rotating a hub with blades mounted to or cast into it, which moves air parallel to the axis of rotation. This type of blower is primarily used in ventilation systems.Navy Axial impellers are cast of aluminium that are not adjustable. These undergo stringent controls and inspections. The impeller is manually adjustable through the full range of pitch angles. All impeller components are X-rayed using real time radiography, and examined to ASTM E-155, prior to machining to assure casting integrity and quality. All impellers are precision balanced as a fan assembly to minimise vibration levels and assure smooth operation. Axial fan casings are made of heavy gauge steel with flanges and welded seams. The casing is manufactured to a stringent tolerance for roundness, which assures proper blade tip clearance for optimal performance. Axial Products Performance Ranges
- A centrifugal blower uses a motor to rotate the bladed impeller within a scroll or housing. The flow of air or gas is moved around a fixed point, allowing sediments in the air to be caught. This very fact makes them great for pollution control, but they also serve as a high-pressure cooling mechanism.American Fan's range of centrifugal fans consists of fans for general air movement, emergency smoke extraction, and in the United Kingdom, ATEX explosive atmospheres. One piece or continuously welded outlet flanges with mounting holes and continuously welded are standard. Industrial centrifugal fans are designed with eccentric or spring lock bearings for positive bearing to shaft locking. Narrow width fans, unitary bases, and all arrangements are pre-engineered for lead-time reduction. We certify that the centrifugal fan models BCA, BCS, QBCA, QBCS, are licensed to bear the AMCA seal, based on tests and procedures performed in accordance with AMCA 211 and AMCA 311 and to also show compliance with the requirements of the AMCA Certified Ratings Program.Centrifugal Products Performance Ranges
Product Category Max CFM Max SP (in wg) Max Temp (F) Wheel Diameter Range Bulletin DBCA / DBCS 190,000 20 120 12 1⁄4" to 54 1⁄4" AS-0953 DQBCA / DQBCS 128,000 17 120 12 1⁄4" to 54 1⁄4" AS-0953 BCA / BCS 100,000 17 1000 12 1⁄4" to 66" AS-0953 PBCA / PBCS 90,000 12 700 12 1⁄4" to 54 1⁄4" PBCS-1201 Plenum 50,000 10 104 315mm to 1250mm PLP-12-08 QBCA / QBCS 43,000 17 1000 12 1⁄4" to 44 1⁄2" AS-0953 IE 40,000 23 1000 12 3⁄16" to 57 1⁄2" IE-0606 RB 12,000 110 700 18 1⁄2" to 39 1⁄2" RB-0502 OVP 8,000 73 700 17" to 30" VP-0404 BC 5,000 65 250 16" to 31 1⁄2" VP-0404 AF 5,000 20 250 8" to 18" AF-0302 SMB 4,800 3 180 8" to 12" SMB-1101 N 1,730 69 200 16" to 31 1⁄2" VP-0404 SC 1,400 4 120 3 3⁄16" to 12" SC-1000
