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Inlet box silencers - Model 132 standard grade, sheet metal construction - dB Noise Reduction

 

Applications

  • Fan inlet silencers
  • Pressure blower inlet silencers
  • Motor silencers

Benefits

  • Reduces cost on fans and blowers by serving as a combination silencer/fan inlet box, all in one
  • 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; 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
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Inlet box silencer features

Inlet box silencer sheet metal features - image - dB Noise Reduction

Alternative construction - Model 133 industrial grade, all welded construction

Product details

Flows:

Up to 100,000 acfm

Pressures:

Up to 30" wg

Temperatures:

Up to 250° F

Sizes:

From 12" X 12" X 24" long
to 60" X 60" X 120" long

Unit weight:

Up to 1,500 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.