ACOUSTIC Blankets

Acoustic Shields & Blanket Insulation
for Sound Attenuation

Acoustic Blankets are pre-engineered thermal acoustical insulation systems designed to reduce harmful noise levels and improve the surrounding work environment.

Custom-fit, through CAD technology allowing versatility in equipment coverage. Virtually any irregular surface can be insulated and multipiece designs are typical for most equipment applications.

Top quality design construction. The recommended design LT450A-TT features an inner and outer chemical resistant Teflon® fiberglass cloth, with high density fiberglass mat and barium sulfate loaded vinyl.

Removable and reusable. Blanket pieces can be installed with minimal effort and fastened with a stainless steel wiretwist, metal spring tensioner, or metal D-ring strap with Velcro® tab. Installation requires no tools or materials.

Acoustic Blankets Reduce Harmful Noise At The Source
Learn more about our Acoustic Blanket Insulation solutions.

acoustic-blankets

16”x18” CENTRIFUGAL PUMP
Design: LT450A-TT – 1.5” thick
6.0 dBA Reduction

DESIGN FEATURES

  1. Double Sewn and Binded Seams

  2. Durable PTFE Teflon® Impregnated Fiberglass Clot

  3. Aluminum Nameplate Embossed Lettering With Tag Description

  4. Stainless Steel Lacing Hardware With Featured Wiretwist Fastener

  5. Extended Velcro® Flap on Closing Seams

  6. High Density Mass Loaded Vinyl (Reflection)

  7. High Density Needled Fiberglass Mat Filler (Absorption)

advantages

  • Installed with plant personnel
  • Remove and reuse numerous times
  • A closed insulation system
  • Custom-fit to existing conditions
  • An ideal replacement for Asbestos
  • Vibration resistant

APPLICATIONS

  • Ejectors
  • Gear Box Casings
  • Steam and Gas
  • Turbine Casings
  • Compressor Housings
  • Exhaust Ducting
  • Pressure Reducing Valves
  • Custom Sound Curtains
  • Liquid Chillers

ACOUSTIC SHIELD SCROLL COMPRESSOR
Design: LT250AS
6.0 dBA Reduction

HVAC LIQUID CHILLER
COMPRESSOR, COMPRESSOR INLET, MOTOR HOUSING
Design: LT250A-VP
Performance: 4.0-5.0 dBA Reduction

24” PROCESS PIPING
Design: LT450A-TT
Performance: 10-12 dBA Reduction

Reduce chiller noise

CENTRIFUGAL LIQUID CHILLER
Design: LT250A-VP 1.5” thick
Wiretwist / Velcro® Flap Fasteners
Performance: 7 dBA Reduction

AXIAL FAN HOUSING
Design: LT450A-TT – 1.5” thick
Wiretwist / Velcro® Flap Fasteners
Performance: 6 dBA Reduction

water-cooled-screw-liquid-chiller-acoustic-blanket

WATER COOLED SCREW LIQUID CHILLER
Design: LT250A-VP – 1.5” Thickness
Performance: 6.0 dBA Reduction

gas-turbine-inlet-ducting-acoustic-blanket

GAS TURBINE INLET DUCTING
Design: LT450A-TT – 2” Thickness
Performance: 8 – 10 dBA Reduction

multistage-compressor-motor-housing-acoustic-blanket

MULTISTAGE COMPRESSOR & MOTOR HOUSING
Design: LT450A-TT – l.5” thick
Performance: 8.8 dBA Reduction

air-cooled-screw-liquid-chiller-acoustic-blanket

AIR COOLED SCREW LIQUID CHILLER
Design: LT450A-TT – 1.5” Thickness
Stainless Steel Wiretwist / Velcro® Flap Fasteners
Performance: 4-7 dBA Reduction

Test Results FOR acoustic blankets

With the following measured in the A-Weighting, the total noise reduction from the 107 dBA loudspeaker level over a 100-5000 Hz frequency band would be: 20.8 dBA for design LT450A-TT-1″ Thickness and 29.5 dBA for design LT450ATT- 2″ Thickness.

This data represent (ASTM) Test Procedure E-1222-87 for the laboratory measurement of the insertion loss of pipe lagging systems. Shannon will not be warranted for performance results of Blanket Insulation expressed or implied.

acoustic-blanket-test-results

UL1709 TEST METHOD

INSERTION LOSS PERFORMANCE COMPARISONS

insertion-loss-performance-comparisons
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