S&P Silenced Mixed Flow Duct Fans



S&P have a range of silent inline, mixed flow, duct fans that are extremely quiet.  They are manufactured in plastic material, with a specifically designed internal skin to direct the sound waves at the right angle for them to be captured by the sound-absorbent material. Fitted with rubber gaskets on the inlet and outlet to absorb vibrations, a body that can be dismantled. Connection box can be rotated 360%, to facilitate easy connection of the power cable.  Speed controllable 230V-50Hz, 2-speed or 3-speed motor(depending on the model – see the table below for more information);  IP44 coded(the electrical wiring is waterproofed).  The motors are class B, with ball bearings and safety thermal overload protection, except the TD-160 SILENT, that is fitted with the special floating motor system patented by S&P.

Have a look at the S&P datasheet for more information

They have the ‘QM’ seal of approval from the Noise Abatement Society, so come in-store and have a listen to just how quiet they are!


Full Product Description

See the table below for the available S&P mixed flow duct fans range –

Model Diameter Airflow m3/hr
TD-160  4″ 180/140
TD-250 SILENT 4″ 240/200
TD-350 SILENT  5″ 360/300
TD-500 SILENT 6″ 550/450/350
TD-800 SILENT 8″ 910/780/690