Welcome to dB Noise Reduction
877 744 8601
logo
Web app

Elbow Silencers
Model 123

Elbow silencers - Model 123
Industrial Grade, All Welded Construction

Applications
  • Fan inlet and outlet silencers
  • Pressure blower silencers
  • Intake silencers on gas turbine systems
  • Ventilation intake and discharge silencers
  • HVAC duct silencers
Benefits
  • Designed to match the dimensions of the connecting equipment or ductwork
  • No transitions or plenums required
  • Much higher attenuations than straight through silencer designs due to acoustic elbow effect
  • Aerodynamically designed long radius elbow baffle passages (CR = 0.5) for minimum pressure drop
Accessories
  • galvanized and stainless steel mesh bird, insect and safety screens
  • Flanges match drilled to 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
Rectangular silencer features
Alternative construction - Model 122 standard grade, sheet metal silencers
View Model 122
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

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

Request a Quote

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 24" X 24" X 36" ctr-line length

to 120" X 120" X 240" ctr-line length

Unit weight

Up to 20,000 lbs

Materials

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

Construction

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

Paint finishes:

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