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HVAC Duct Silencers

NAP Silentflo are the only Australasian company with independently laboratory certified acoustic solutions for almost every acoustic application, whether it be commercial, architectural, or industrial, and their rectangular and circular duct silencers have been the industry standard for over 45 years.

Performance is backed with extensive independent laboratory testing of the insertion loss, regenerated noise level, and aerodynamic performance across the whole range, together with an on-going program of continual product development at their test facilities in Melbourne and Hong Kong.

Cooke Industries have represented NAP in New Zealand for over 40years, and manufacture their entire acoustic products range under license here in New Zealand. We provide a complete acoustic solution, including:

  • Specialist advice for solving your problem in the most cost efficient manner.

  • A tailored acoustic solution, including bespoke design if required.

  • Local manufacture in our purpose-built facilities, with backup from NAP's factories in Australia, The Far East, and Europe.

NAP offer standard and customised designs for HVAC and industrial duct silencers in both rectangular and circular configurations.

Products

Straight through and podded designs for increased attenuation.
Rectangular duct silencers offered in three different series for increasing low frequency acoustic performance.

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