Air Compressor Noise Control

eNoise Control offers a proven engineered solution for air compressor noise. A sound curtain enclosure constructed of M odel UNC-25 Sound Curtain Panels and support frame custom designed and fabricated to meet your application requirements.

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• Sound reduction of 12 – 18 dBA
• Silenced passive or forced air ventilation available
• Easy access to the equipment
• Enclosure easily installed and moved with equipment
• Class A (or 1) flammability rated per ASTM E84

Air Compressor Case Study

Problem:
A shop air compressor located in a corner or against an adjacent wall with constant or intermittant motor and compressed air noise emanating from the compressor. The noise levels are compounded by the sound reflecting off these walls. When the air compressor cycles, the noise becomes a nuisance to personnel in the area.

Solution:
An enclosure made of Model UNC-25 sound curtain panels surrounding the air compressor. These enclosures are typically two, three, or four-sided (and of sufficient height) with an open top. Optional roof and silenced ventilation options are available depending on the application.

The illustrations shown below are: (on the left) a four-sided enclosure with roof and silenced ventilation, (on the right) a two-sided enclosure using sound curtain panels.

Air compressor noise control enclosure with roof

Air compressor noise control enclosure with roof

air compressor noise control enclosure withour roof

ASTM E-90 & E 413 Sound Transmission Loss
OCTAVE BAND FREQUENCIES (Hz)
Product	125	250	500	1000	2000	4000	STC
UNC-25	12	16	27	40	44	43	29

ASTM C 423 Sound Absorption Data
OCTAVE BAND FREQUENCIES (Hz)
Product	125	250	500	1000	2000	4000	NRC
UNC-25	.19	.99	.96	.80	.57	.33	.85

Air compressor noise control material sample

Air compressor enclosure material sample.