Delta Fans Naming Scheme

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Delta fans follow a clear 8-segment naming scheme for their fans, in 2 parts separated by a hyphen (-). Example: AFB1212HE-BF00

  1. The first segment consists of three alphabets, defining the Series Code.
  2. The second segment is 2-3 digits and defines the dimensions of the fan frame.
  3. The third segment is 2 digits specifying the operating voltage of the fan.
  4. The fourth segment can be 1-2 alphabets, it describes the speed of the fan.
  5. The fifth segment is a singular alphabet, specifying the thickness of the fan frame.
  6. The sixth segment describes the frame type.
  7. The seventh segment specifies the signal output of the fan, if any.
  8. The eight segment specifies the signal output voltage of the fan
Example:
1 2 3 4 5 - 6 7 8
AFB 12 12 H E - B F 00

1st segment (Series):

  • AFB - General Standard Axial Fan
  • FFB - Stator Blade Fan Type
  • PFB - Powerful Performance Stator Blade Fan Type
  • QFR - Green Fan with ASR
  • GFB - Redundant Function Fan
  • EFB - >25mm Thickness for 3-blade design
  • AHB - General Axial Fan for High Reliability Applications
  • KFB - Open Blower Type
  • KHB - Open Blower Type for High Reliability Applications
  • BFB - General Blower Type

2nd segment (Frame Dimensions):

  • 02 - 125 x 38 x 45 mm
  • 03 - 30 mm SQUARE / 180 x 38 x 45 mm
  • 032 - ø32 x 9 mm
  • 035 - 35 mm SQUARE
  • 04 - 40 mm SQUARE / 42 x 45 x 19 mm
  • 045 - 45 mm SQUARE
  • 05 - 50 mm SQUARE / 51 x 51 x 15 mm
  • 06 - 60 mm SQUARE
  • 07 - 70 mm SQUARE / 75 x 75 x 30 mm
  • 08 - 80 mm SQUARE
  • 09 - 92 mm SQUARE
  • 10 - 97 x 94 x 33 / ø100 x 46.8 mm
  • 12 - 120 mm SQUARE / 125 x 126 x 34 mm / 120 x 120 x 32 mm
  • 14 - 140 mm SQUARE
  • 15 - 172 x 150 mm
  • 16 - 159 x 165 x 40 mm

17 - ø172 mm / ø175 x 69.0 mm

3rd segment (Voltage):

  • 05 - 5VDC
  • 12 - 12VDC
  • 24 - 24VDC
  • 48 - 48VDC

4th segment (Speed):

  • L - Low
  • M - Medium
  • H - High
  • HH - Extra High
  • VH - Very High
  • SH - Super High
  • EH - External High
  • GH - Grand High
  • UH - Ultra High
  • DH - Drastic High
  • XH - Extreme High

5th segment (Frame Thickness):

  • A - 10 mm
  • C - 13 mm
  • B - 15 mm
  • D - 20 mm
  • (BLANK) - 25.4 mm
  • N - 28 mm
  • F - 32 mm
  • E - 38 mm / Right Side Exhaust (Intake View for BFB Series)
  • G - 50.8 mm / 48mm
  • S - 55 mm
  • T - 69.0 mm
  • W - 76.2 mm

6th segment (Frame Thickness):

  • (BLANK) - FLANGE TYPE
  • B - Rib Type (10mm, 13mm, 15mm, 20mm Thickness)
  • M - Metal Frame

7th segment (Signal Output):

  • F - Frequency Generator Output (Speed Sensor) / Tach Output
  • R - Rotation Detector Output (Failure Detector)

8th segment (Signal Output Voltage):

  • 00 - VCC (Open Collector)