Request Information
Unit of Measure

Specifications

Length

 N/A 71 in

Use for

 N/A Woods Varofoil Fans

Casing Side

 N/A 80 in

Inlet Diameter

 N/A 73 in

Outlet Diameter

 N/A 35.50 in

Maximum Air Flow

 N/A 37000 ft³/min

Shape of Inlet/Outlet

 N/A Round Inlet

Silencer Size Class

 N/A B

Type

 N/A Acoustical

Dynamic Insertion Loss

Dynamic Insertion Loss @ 63 Hertz (Hz), 1500 Feet per Minute (FPM)

 N/A 3 dB

Dynamic Insertion Loss @ 125 Hertz (Hz), 1500 Feet per Minute (FPM)

 N/A 10 dB

Dynamic Insertion Loss @ 250 Hertz (Hz), 1500 Feet per Minute (FPM)

 N/A 16 dB

Dynamic Insertion Loss @ 500 Hertz (Hz), 1500 Feet per Minute (FPM)

 N/A 23 dB

Dynamic Insertion Loss @ 1000 Hertz (Hz), 1500 Feet per Minute (FPM)

 N/A 25 dB

Dynamic Insertion Loss @ 2000 Hertz (Hz), 1500 Feet per Minute (FPM)

 N/A 25 dB

Dynamic Insertion Loss @ 4000 Hertz (Hz), 1500 Feet per Minute (FPM)

 N/A 14 dB

Dynamic Insertion Loss @ 8000 Hertz (Hz), 1500 Feet per Minute (FPM)

 N/A 11 dB

Note

Note

 N/A For each 1500 FPM over 1500, add 1 dB per band.