Fan Silencer Selection

Project:

Company:
Contact:

Phone:
Email:

Type of Silencer Required: InletDischargeVent

Connection:
Flow Rate (CFM):
Pressure (”WG):

Temperature (°F):
Max Pressure (”WG):

Fan Manufacturer:
Fan Model:

Estimated Fan Sound Level:

Present Sound Levels
Frequency	63	125	250	500	1000	2000	4000	8000
Corrected Fan Lw (dB)
Dynamic Insertion Losses (dB)

Required Sound Level (dBA):
Distance (ft):

Readings Taken:
In front of silencer outlet90° from silencer outlet

Materials of Construction:
Paint:

Flanges:
Inlet/OutletOne EndDrilled

Accessories:
Weather HoodBird Screen

Send

Project:

Company:

Contact:

Phone:

Email:

Type of Silencer Required:

InletDischargeVent

Connection:

Flow Rate (CFM):

Pressure (”WG):

Temperature (°F):

Max Pressure (”WG):

Fan Manufacturer:

Fan Model:

Estimated Fan Sound Level:

Present Sound Levels
Frequency	Corrected Fan Lw (dB)	Dynamic Insertion Losses (dB)
63 Hz
125 Hz
250 Hz
500 Hz
1000 Hz
2000 Hz
4000 Hz
8000 Hz

Required Sound Level (dBA):
Distance (ft):

Readings Taken:

In front of silencer outlet90° from silencer outlet

Materials of Construction:

Paint:

Flanges:

Inlet/OutletOne EndDrilled

Accessories:

Weather HoodBird Screen

Send