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Inlet Box Silencers
Model 133

Inlet Box Silencers - Model 133
Industrial Grade, All Welded Construction

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 baffles (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; 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
Rectangular silencer features
features-img-4 Alternative construction - Model 132 standard grade, sheet metal silencers
View Model 132
Design options
  • Cleanable/removable baffle designs for dirty applications including special silencers that can be serviced in-situ

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 12" X 12" X 24" long

to 120" X 120" X 240" long

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