AIRFOIL FANS - Aerovent

More documents

Recommendations

Info

Optional Construction Spark Resistant Construction Fan applications may involve the handling of potentially explosive or flammable particles, fumes or vapors. Such applications require careful consideration by the system designer to insure the safe handling of such gases. Aerovent offers the following classifications of spark resistant construction per AMCA Standard 99-0401. It is the specifier or the user’s responsibility to specify the type of spark resistant construction with full recognition of the potential hazards and the degree of protection required. Type A All parts of the fan in contact with the airstream must be made of non-ferrous material — usually aluminum and limited to 250°F operation. Type B The fan shall have a non-ferrous wheel and non-ferrous ring about the opening through which the shaft passes — usually aluminum wheel and rub ring and limited to 250°F construction. Type C The fan shall be so constructed that the shift of the wheel or shaft will not permit two ferrous parts of the fan to rub or strike. This is accomplished with an aluminum inlet cone and rub ring. This construction is limited to 500°F. Construction to 800°F is available using a steel inlet cone with copper/bronze lining. Notes: 1. Bearings shall be placed outside the airstream. Therefore, spark resistant construction is not available on Arrangement 3 or 7. 2. The user shall electrically ground all fan parts. Refer to the above listed AMCA standard for full details Split Housings All fans are designed to permit wheel removal through the fan inlet. To suit installation as well as transportation requirements, Aerovent offers horizontal split, pie-shaped, as well as other special split housing designs. Pie-shaped split housings allow fan wheel and shaft removal without disconnecting ductwork. Arrangement 8 fan with horizontal split housing with bolted access door Swingout Construction Swingout fans are ideal for applications requiring frequent cleaning and inspection of the fan wheel and interior of the housing such as found in spray painting booth exhaust. Special Metals To suit the demanding applications of today’s industry, Aerovent offers a variety of material for construction, including aluminum and stainless steel. We offer AWS and ASME certified welding procedures and welding technicians to assure quality construction when using special metals as well. ® 6 Aerovent Catalog 725
Standard Configurations Designation for Rotation and Discharge Clockwise Clockwise Clockwise Clockwise Counterclockwise Counterclockwise Counterclockwise Counterclockwise Upblast Top Angular Up Top Horizontal Top Angular Down Upblast Top Angular Up Top Horizontal Top Angular Down CW 360 CW45 CW90 CW135 CCW360 CCW45 CCW90 CCW135 Clockwise Clockwise Clockwise Clockwise Counterclockwise Counterclockwise Counterclockwise Counterclockwise Downblast Bottom Angular Down Bottom Horizontal Bottom Angular Up Downblast Bottom Angular Down Bottom Horizontal Bottom Angular Up CW 180 CW225 CW270 CW315 CCW180 CCW225 CCW270 CCW315 Direction of rotation is determined from drive side of the fan. On single inlet fans, the drive side is always considered the side opposite the fan inlet. On double inlet fans with drives on both sides, the drive side is that with the higher power drive unit. The direction of discharge is determined in accordance with the diagrams shown above. The angle of discharge references the vertical axis of the fan and is designated in degrees above or below that reference axis. On fans inverted for ceiling suspension or side-wall mounting, the discharge is determined when the fan is resting on the floor. Motor Positions The drawing above illustrates the AMCA motor position standards for Arrangement 1 and 3 fans (Arrangement 1 shown). The location of the motor is determined by facing the drive side of the fan and designating the motor position by letters W, X, Y, or Z, in accordance with the diagram shown above. Illustrations reprinted from AMCA Publication 99 Standards Handbook, with the express written permission from the Air Movement and Control Association International, Inc., 30 West University Drive, Arlington Heights, IL 60004-1983. www.aerovent.com 7
Page 1 and 2: ® The Industrial Choice. AIRFOIL F
Page 3 and 4: Wheel Construction High efficiency,
Page 5: SWSI Arrangements Arrangement 9 SWS
Page 9 and 10: Accessories Variable Frequency Driv
Page 11 and 12: Piezometer Ring (Airflow Measuring
Page 13 and 14: DWDI SIZE Maximum RPM, Wheel Weight
Page 15 and 16: SWSI Class III Features & Weights H
Page 17 and 18: CAE SWSI | Size 122 Fan Efficiency
Page 29 and 30: CAE DWDI | Size 165 Fan Efficiency
Page 37 and 38: Arrangement 1 & 9, SWSI Rotatable,
Page 39 and 40: ARRANGEMENTS 1 & 9 ARR. 1 ONLY Arra
Page 41 and 42: Arrangement 1 & 9, SWSI Non-Rotatab
Page 43 and 44: Arrangement 1 & 9, SWSI Non-Rotatab
Page 45 and 46: Arrangement 3, SWSI Non-Rotatable,
Page 47 and 48: Arrangement 3, DWDI Non-Rotatable,
Page 49 and 50: Arrangement 3, DWDI Non-Rotatable,
Page 51 and 52: DWDI Fans shall be Model CAE-DW Air

AIRFOIL FANS - Aerovent

Create successful ePaper yourself

Delete template?

Save as template?