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Rectangular Silencers - Model 113 industrial grade, all welded construction - dB Noise Reduction



  • Fan inlet and outlet silencers
  • Pressure blower silencers
  • Intake silencers on gas turbine systems
  • Ventilation intake and discharge silencers
  • HVAC duct silencers


  • Designed to match the dimensions of the connecting equipment or ductwork
  • No transitions or plenums required
  • Aerodynamic nose design and tapered tails to minimize pressure drop
  • Double the number of silencer baffle configurations available for more precise matching of silencers to applications


  • Galvanized and stainless steel mesh bird, insect and safety screens
  • Flanges match drilled to connecting equipment or ductwork; rectangular or circular
  • 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/removable baffle designs for dirty applications including special silencers that can be serviced in-situ
  • Tapered transition/evase silencers for attenuation in restricted spaces
  • Insert silencers (baffles and support structure, without casing) for installation in pre-existing ductwork and stacks
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Rectangular silencer features

Rectangular silencer features - image - dB Noise Reduction


Alternative construction - Model 112 standard grade, sheet metal silencers

Product details


Up to 2.0 million acfm


Up to 120" wg


Up to 250° F (standard)
Up to 1,200° F (special)


From 6" X 6" X 24" long
to 240" X 240" X 240" long

Unit weight:

Up to 25,000 lbs


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


14 ga to 3/8" welded casings with 18 ga
acoustic baffles

Paint finishes:

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

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


Servicing clients in the US, Canada, Mexico, and many international locations worldwide.