dB Noise Reduction LogodB Noise Reduction Logo
dB Noise Reduction Facebook page. dB Noise Reduction LinkedIn page.
 dB Noise Reduction toll free
Elbow silencers - Model 122 standard grade, sheet metal construction - dB Noise Reduction

 

Applications

  • Fan inlet and outlet silencers
  • Pressure blower silencers
  • 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

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
  • 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

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
Request a quote | dB Noise Reduction

 

Elbow silencer features

Elbow silencer sheet metal features - image - dB Noise Reduction

Alternative construction - Model 123 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 24" X 24" X 36" ctr-line length
to 120" X 120" X 120" ctr-line length
(modules provided in banks for
fast site assembly)

Unit weight:

Up to 1,500 lbs per module

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.


 

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