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  2. Duct silencer S type for supply ventilation noise countermeasures (Sasakura Co., Ltd.)
Duct silencer S type for supply ventilation noise countermeasures-3S
Duct silencer S type for supply ventilation noise countermeasures-Sasakura Co., Ltd.

Duct silencer S type for supply ventilation noise countermeasures
Sasakura Co., Ltd.

Sasakura Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

42.9hours

About This Product

■Suitable for large air volume with low pressure loss

By using a straight sound-absorbing splitter, the pressure loss is extremely small, so it is usually possible to select a silencer that matches the duct dimensions within the allowable pressure loss.

■Guarantees excellent sound reduction performance

Sound reduction performance has been confirmed as a dynamic insertion loss value through acoustic wind tunnel tests and the large-scale Sasakura Acoustics Laboratory, which consists of two reverberation chambers, and we guarantee excellent sound reduction performance. All functions of the Sasakura Duct Silencer have been measured at the Sasakura Acoustic Laboratory to ensure the following acoustic performance and special airflow.

■Self noise value

This is the secondary sound (wind noise) generated within the silencer due to airflow, and is expressed in sound power level.

■Dynamic insertion loss value

It is an accurate method of expressing sound reduction performance when airflow is involved, and it shows how much the sound pressure level at the sound receiving point before installing the silencer is reduced by installing the silencer.

■Pressure loss value

It represents the static pressure difference before and after the silencer due to air flow. Suitable when average sound reduction performance from low frequency range to high frequency sound range is required at low and medium flow speeds.

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    Duct silencer S type for supply ventilation noise countermeasures

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4 Models of Duct silencer S type for supply ventilation noise countermeasures

Click on the part number for more information about each product

Image Part Number Price (excluding tax) Sound reduction performance Silencer inlet flow velocity (m/s) Sound reduction performance Octave band center frequency Pressure drop (Pa) Silencer inlet flow rate PWL correction value based on inlet area Silencer inlet area Self noise level Octave band center frequency
Duct silencer S type for supply ventilation noise countermeasures-Part Number-3S

3S

Available upon quote

-8~+8

63Hz 6~7dB, 125Hz 10~13dB, 250Hz 15~19dB, 500Hz 26~30dB, 1,000Hz 34~36dB, 2,000Hz 33~35dB, etc.

1m/s 4, 2m/s 14, 3m/s 32, 4m/s 56, 5m/s 88, 6m/s 126, 7m/s 172, 8m/s 224

0.125m2 -9dB, 0.25m2 -6dB, 0.5m2 -3, 1m2 0, 2m2 +3, 4m2 +6, 8m2 +9, 16m2 +12, 32m2 +15

63Hz 54~73dB, 125Hz 48~68dB, 250Hz 48~63dB, 500Hz 46~67dB, 1,000Hz 46~64dB, 2,000Hz 49~67dB, etc.

Duct silencer S type for supply ventilation noise countermeasures-Part Number-5S

5S

Available upon quote

-8~+8

63Hz 7~11dB, 125Hz 16~22dB, 250Hz 22~125dB, 500Hz 38~43dB, 1,000Hz 45~47dB, 2,000Hz 44~46dB, etc.

1m/s 4, 2m/s 16, 3m/s 35, 4m/s 62, 5m/s 96, 6m/s 139, 7m/s 189, 8m/s 246

0.125m2 -9dB, 0.25m2 -6dB, 0.5m2 -3, 1m2 0, 2m2 +3, 4m2 +6, 8m2 +9, 16m2 +12, 32m2 +15

63Hz 54~73dB, 125Hz 48~68dB, 250Hz 48~63dB, 500Hz 46~67dB, 1,000Hz 46~64dB, 2,000Hz 49~67dB, etc.

Duct silencer S type for supply ventilation noise countermeasures-Part Number-7S

7S

Available upon quote

-8~+8

63Hz 9~12dB, 125Hz 18~23dB, 250Hz 34~37dB, 500Hz 44~47dB, 1,000Hz 49~52dB, 2,000Hz 46~48dB, etc.

1m/s 5, 2m/s 17, 3m/s 38, 4m/s 68, 5m/s 105, 6m/s 151, 7m/s 206, 8m/s 269

0.125m2 -9dB, 0.25m2 -6dB, 0.5m2 -3, 1m2 0, 2m2 +3, 4m2 +6, 8m2 +9, 16m2 +12, 32m2 +15

63Hz 54~73dB, 125Hz 48~68dB, 250Hz 48~63dB, 500Hz 46~67dB, 1,000Hz 46~64dB, 2,000Hz 49~67dB, etc.

Duct silencer S type for supply ventilation noise countermeasures-Part Number-10S

10S

Available upon quote

-8~+8

63Hz 12~13dB, 125Hz 20~25dB, 250Hz 41~42dB, 500Hz 52~53dB, 1,000Hz 55dB, 2,000Hz 53dB, etc.

1m/s 4, 2m/s 19, 3m/s 42, 4m/s 75, 5m/s 117, 6m/s 168, 7m/s 229, 8m/s 298

0.125m2 -9dB, 0.25m2 -6dB, 0.5m2 -3, 1m2 0, 2m2 +3, 4m2 +6, 8m2 +9, 16m2 +12, 32m2 +15

63Hz 54~73dB, 125Hz 48~68dB, 250Hz 48~63dB, 500Hz 46~67dB, 1,000Hz 46~64dB, 2,000Hz 49~67dB, etc.

Click on the part number for more information about each product

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About Company Handling This Product

Sasakura Co., Ltd.

Response Rate

100.0%

Response Time

42.9hrs

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