日本消音研究所

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Q & A Frequently Asked Questions

I would like to request a noise calculation at the design stage. Is there anything I need?

Please prepare air volume (CMH) and duct size. We will calculate and reply.

What is the pressure loss of the silencer?

Please prepare air volume (CMH) and duct size. We will calculate and reply.

How long is the delivery time?

Usually, we receive two weeks from order placement, but not during the busy season.
Contact your sales representative.

Can I request a noise measurement?

Is possible. Available for a fee.

There is no product for outdoor measures on the product page. Is outdoor measure possible?

Is possible. We will propose countermeasures according to the situation.

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You may receive about 2-5 business days for answers.
In the case of urgent business, please
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the telephone counter (Tokyo Sales Office) 03-6402-3233
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