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Advanced Acoustical Cones with Round Inlet

45 Inch (in) Casing Side Advanced Acoustical Cone for Greenheck Vane Axial Fan
Advanced Acoustical Cones with Round Inlet

50 Inch (in) Casing Side Advanced Acoustical Cone for Greenheck Vane Axial Fan
Advanced Acoustical Cones with Round Inlet

58 Inch (in) Casing Side Advanced Acoustical Cone for Greenheck Vane Axial Fan
Advanced Acoustical Cones with Round Inlet

69 Inch (in) Casing Side Advanced Acoustical Cone for Greenheck Vane Axial Fan
Advanced Acoustical Cones with Round Inlet

82 Inch (in) Casing Side Advanced Acoustical Cone for Greenheck Vane Axial Fan
Description N/A
Length N/A 37 in N/A 43 in N/A 50 in N/A 60 in N/A 73 in
Use for N/A Greenheck Vane Axial Fans
Casing Side N/A 45 in N/A 50 in N/A 58 in N/A 69 in N/A 82 in
Inlet Diameter N/A 38 in N/A 43 in N/A 51 in N/A 62 in N/A 75 in
Outlet Diameter N/A 18.375 in N/A 20.375 in N/A 24.375 in N/A 30.375 in N/A 36.375 in
Maximum Air Flow N/A 10000 ft³/min N/A 13000 ft³/min N/A 118000 ft³/min N/A 27000 ft³/min N/A 39000 ft³/min
Shape of Inlet/Outlet N/A Round Inlet
Silencer Size Class N/A A N/A A N/A A N/A A N/A B
Type N/A Acoustical
Dynamic Insertion Loss @ 63 Hertz (Hz), 1500 Feet per Minute (FPM) N/A 2 dB N/A 2 dB N/A 2 dB N/A 2 dB N/A 3 dB
Dynamic Insertion Loss @ 125 Hertz (Hz), 1500 Feet per Minute (FPM) N/A 6 dB N/A 6 dB N/A 6 dB N/A 6 dB N/A 10 dB
Dynamic Insertion Loss @ 250 Hertz (Hz), 1500 Feet per Minute (FPM) N/A 12 dB N/A 12 dB N/A 12 dB N/A 12 dB N/A 16 dB
Dynamic Insertion Loss @ 500 Hertz (Hz), 1500 Feet per Minute (FPM) N/A 21 dB N/A 21 dB N/A 21 dB N/A 21 dB 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 N/A For each 1500 FPM over 1500, add 1 dB per band.