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Annular Ring Circular Silencers
Model 243

Annular Ring Circular Silencers - Model 243
Industrial Grade, All Welded Construction

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
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
Parallel baffle circular silencer features
features-img-10 Alternative construction - Model 242, standard grade, sheet metal silencers
View Model 242
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

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

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Product details

Flows

Up to 500,000 acfm

Pressures

Up to 120" wg

Temperatures

Up to 250° F (standard)

Up to 1,200° F (special)

Sizes

From 36" ID X 36" long

to 120" ID X 240" long

Unit weight

Up to 25,000 lbs

Materials

Carbon, galvanized and stainless steels, aluminum, special alloys, high temperature steels, FRP and PVC

Construction

16 ga to 3/8" welded casings with 18 ga acoustic liners and center bullets

Paint finishes:

Alkyd, enamel, high heat, inorganic zinc, epoxy and polyurethane