Question 1

What is industrial noise control, and why is it important?

Accepted Answer

Industrial noise control involves the application of engineering solutions to reduce noise levels generated by industrial equipment, processes, and facilities. It is important for three primary reasons: protecting worker health and hearing (prolonged exposure to noise above 85 dB(A) causes permanent hearing loss), ensuring regulatory compliance with OSHA occupational noise limits and CPCB environmental noise standards, and improving productivity and communication in the workplace. Effective noise control also reduces community noise impact, helping companies maintain their social license to operate.

Question 2

How does ARK Noise Control approach a new noise control project?

Accepted Answer

Every project begins with a thorough understanding of the noise problem. Upon receipt of any new inquiry, our sales team send an inquiry form requesting the required technical inputs along with photographs, GA drawings, and other relevant details (if available). Based on these inputs, our acoustic engineers analyse the problem and propose the right solution — which may involve acoustic enclosures, silencers, NoiseLAG / HeatLAG jackets, barriers, or other treatments — and send a detailed techno-commercial offer. Upon order confirmation, we proceed with detailed engineering design, in-house manufacturing, and site installation. After installation, we conduct verification measurements to confirm that the target noise levels have been achieved.

Question 3

What noise reduction can I expect from an acoustic enclosure?

Accepted Answer

The noise reduction achieved by an acoustic enclosure depends on the enclosure design, construction quality, and the frequency characteristics of the noise source. Our standard enclosures provide 10 to 40+ dB(A) of noise attenuation. A 10-15 dB(A) enclosure is suitable for moderate noise reduction needs, while a 40+ dB(A) enclosure is used for high-noise equipment like gas turbines and large compressors. The actual attenuation is determined during the design phase based on the target noise level at the receiver location and the noise spectrum of the equipment.

Question 4

What are NoiseLAG / HeatLAG jackets, and how do they differ from traditional pipe lagging?

Accepted Answer

NoiseLAG / HeatLAG jackets are ARK's proprietary removable acoustic + thermal insulation jackets designed to reduce noise and heat loss from pipes, valves, and equipment. Unlike traditional permanent lagging (which is permanently fixed and must be destroyed for maintenance access), NoiseLAG / HeatLAG jackets are fully removable and reusable. They can be taken off in minutes for equipment maintenance and reinstalled afterward without any degradation in acoustic performance. Each jacket is custom-fitted to the exact geometry of the equipment and delivers up to 10 dB(A) noise reduction. With over 1500 units installed worldwide, they are a proven, cost-effective solution for situations where regular maintenance access is required.

Question 5

What types of industrial silencers does ARK manufacture?

Accepted Answer

ARK manufactures nine types of industrial silencers, each optimized for its specific application: Steam Vent Silencers, Blow Down Silencers, Safety Valve Silencers, Air Intake Silencers, Air Discharge Silencers, Gas Vent Silencers, Diffuser Silencers, HVAC Duct Silencers, and Diesel Engine Exhaust Silencers. Each silencer is custom-designed based on the client's operating conditions including flow rate, pressure, temperature, and medium composition. Our silencers deliver up to 40+ dB(A) noise reduction while maintaining low backpressure to minimize impact on system performance.

ARK Noise Control India — Industrial Acoustic Enclosures, Silencers & Noise Control Solutions

One-Stop Solution for:One Stop Solution for Industrial Noise Control

Engineering Quieter Industries Since 1984

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ARK?

■ World-Class Expertise

■ Guaranteed Results

■ Trusted Brand

■ Customized Solutions

Our Products

Acoustic Enclosures & Noise Hoods

Industrial Silencers

NoiseLAG / HeatLAG (Removable Acoustic + Thermal Insulation Jackets)

Engine Test Cell Acoustic Treatment

Noise Barriers

Acoustic Doors

Our Certifications & Accreditations

Frequently Asked Questions