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Annular ring circular silencers - Model 242 standard grade, sheet metal construction - dB Noise Reduction

 

Applications

  • Fan inlet and outlet silencers
  • Pressure blower inlet silencers
  • Exhaust stack silencers
  • Ventilation intake and discharge silencers

Benefits

  • Excellent alternative to parallel baffle circular silencers. Ideal for use on large axial fans requiring low pressure, symmetric airflow
  • Good choice for use as insert silencers and when small passage widths are required for mid to high frequency attenuation

Advantages over welded silencers

  • 20% to 30% cost savings
  • Much lighter than welded silencers
  • Suitable for many light/medium industrial applications

Accessories

  • Galvanized and stainless steel mesh bird, insect and safety screens
  • Drilled flanges matched to the connecting equipment or ductwork
  • Mounting brackets, support legs, saddles and feet for silencer installation
  • Access panels and doors for inspection of internals
  • Variety of fabric, film and mesh baffle liners available for different types of service
  • Pressure and flow measurement devices including pressure taps, rings and piezometer tubes

Design options

  • Cleanable and removable annular baffle ring designs for dirty applications
  • Insert silencers (annular rings and support structure, without casing) for installation in pre-existing ductwork and stacks
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Annular ring circular silencer features

Annular ring circular silencer features - image - dB Noise Reduction

Alternative construction - Model 243, industrial grade, all welded construction

Product details

Flows:

Up to 400,000 acfm

Pressures:

Up to 30" wg

Temperatures:

Up to 250° F

Sizes:

From 36" ID X 36" long
to 120" ID X 120" long

Unit weight:

Up to 5,000 lbs

Materials:

Mill galvanized (standard). Stainless steels
and aluminum available

Construction:

20 ga to 16 ga welded sheet metal casings
with 22 ga acoustic baffles

Paint finishes:

Alkyd and enamel finishes available

For other customized silencer designs, please contact us and we will be happy to assist you.