Drawing Package
NYB Class 4 Fans extend the performance of Single-Width Fans to the higher pressure ranges required by some industrial-process applications. The Class 4 features AcoustaFoil® wheels for highly efficient handling of clean and dry gas streams and PLR-wheels for moist or mildly contaminated gas streams.
Backward Inclined Single Width Class 4 Fans PDF Brochure| Wheel Design: | Backward Inclined-Airfoil Backward Inclined-Single Thickness Wheel Design
Backward Inclined-Airfoil: Aerodynamic airfoil-blade is the most efficient design with the lowest sound levels for clear air applications.
Backward Inclined-Single Thickness: Flat, single-thickness blade surface best suited for airstreams with light material. |
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Design Features: |
VOLUME - to 170,000 CFM (288,800 m3/hr) PRESSURES - to 20" WG (4,980 Pa) TEMPERATURES - to 750°F (400°C) 14 SIZES - 18"-73" (457mm-1,855mm) ARRANGEMENTS - 1,3,7, 8 AMCA Class 4 |
Available Materials of Construction: |
Carbon Steel |
Product Bulletin: |
Backward Inclined Centrifugal Class IV Fans (161) SWSI Fans, Size 80 and 89 (CS-137) |
Guide Specifications: |
Specifying Class 4 Fans with AcoustaFoil Wheels (GS-161) Specifying Class 4 Fans with PLR Wheels (GS-162) |
Engineering Supplements: |
Direct Drive - Class 4 Backwardly Inclined Fans (ES-163) |
Installation, Operation & Maintenance Manual: |
IM-100 |
Material Specifications: |
SWSI_CLASS-4_Dims.pdf |
Similar Products: |
AF Fans (For higher pressure requirements) |
Fan-to-Size Online: |
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Online Drawings: |
