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PATENTED UPGRADABLE BLOWER

The BELFAB open dust collector modular series comes with our patented upgradable blower, that makes it possible to increase blower performance (on our standard blower) from a 5HP/2500CFM to a 20HP/ 6000 CFM MAX by simply replacing motor and impeller within the same fan housing. Our optional HUMMER 1800 RPM fan offers super quiet operation at up to 9000 CFM* (see note).

*up to 5000CFM for indoor installation. Above 5,000 CFM an outdoor set up is required  (NFPA 664)

 

FEATURES

  • Low maintenance direct drive centrifugal fan
  • AMCA Class B (standard) and Class C (Hummer) anti-spark blower assembly
  • High efficiency TEFC motor, CSA-UL or CSA-US approved
  • High efficiency needle felt filter bags
  • Bag secured by quick release clamps for quick and easy removal of residues
  • Minimal space requirements for indoor installation
  • Fan inlet may be installed on top, bottom, left or right side to facilitate duct assembly (standard blower only)

OPTIONS

  • Extended legs for maximum dust disposal and easier access under the dust collector (height increased by 2 feet)
  • Bottom needle felt filter bag
  • Silencer for standard blower configuration

FILTER MODULES ARRANGEMENTS 

Number of filter modules 1 2 3 4 5 6
Filtration surface (sq.ft.) 35 70 105 140 175 210
Dimension   (W x D X H) in. 48” x 24”x 130” 72” x 24”x 130” 96” x 24”x 130” 120”x 24”x 130” 144” x 24”x 130” 168” x 24” x 130”
Module weight (lbs) 129 174 219 264 309 354

( Note: When equipped with a hummer blower module, add 18” to width)

 

STANDARD BLOWER – 3600RPM HUMMER BLOWER – 1800 RPM
FAN MODULE 5HP 7.5HP 10HP 15HP 20HP 10HP 15HP 20HP
Capacity (CFM) 2 500 3 500 4 600 5 000 6 000 4 600 5 000 6 000
Recommended number of filter modules 2 to 3 3 to 4 3 to 5 4 to 6 5 to 8 3 to 5 4 to 6 5 to 8
Sound pressure (dB) at 10´ 86 88 92 92 92 80 81 83
Inlet diameter (in.) 9 10 12 14 16 12 14 16
Module weight  (lbs) 200 240 250 340 360 350 450 560

 

 

NUMBER OF FILTER MODULES REQUIRED : GUIDELINES

BLOWER LIGHT USAGE – (under 3 hours a day) MEDIUM USAGE – (3 to 6 hours a day) HEAVY USAGE – (more than 6 hours a day)
HP Coarse Mixed Fine Coarse Mixed Fine Coarse Mixed Fine
5HP 2 2  2 to 3 2 to 3 3 to 4 3 to 4 3 to 4 4 ***
7.5HP 3 3  3 to 4 3 to 4 4 to 5 4 to 5 4 to 5 5 ***
10HP 3 3 to 4  3 to 4 3 to 4 4 to 5 4 to 5 5 to 6 6 ***
15HP 4 4  4 to 5 4 to 5 5 to 6 5 to 6 6 to 7 7 ***
20HP 5 6 6 6 to 7 6 to 7 7 to 8 7 to 8 8 ***

*** in case of higher dust  volume concentration, we recommend NBM dust collector models

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