4 Inch In Line Duct Extractor Fan - Silent 250m3/hr84138933765895211360600

Name: SLTD250SILENT
SKU: SLTD250SILENT
Price: 136.74 GBP

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Width: 575mm inc 4 inch
option reducers - included
Width: 470mm max
Height: 252mm inc bracket
Depth: 204mm

up to 12 dB (A) less than our
major competitors.

Max Extraction: 240 (m3/h)

Sound pressure level*
19 - 24 (dB(A))

Can also be used with 5" Ducting

Description

The all NEW - TD-SILENT
4 Inch In Line Duct Extractor Fan - Silent 250m3/hr
The world’s most quiet fans in its class.
from Soler & Palau

The compact design of the TD inline fan range allows the central fan body to be
Easily removed without interfering with the duct system.
This greatly simplifies the task of inspection and cleaning, and thus benefits users.

In the latest development of the TD concept S&P engineers have focussed on reducing noise as far as possible.
The new S&P TD-SILENT maintains the air performance and technical features of the original TD but noise is reduced to a much lower level.
Sound levels have been reduced in the inlet and outlet ducts as well as massive reductions in radiated sound levels
making the TD-SILENT up to 12dB(A) quieter than major competitors.

How did S&P engineers achieve this innovation?
The product has a unique perforated inner liner design, enclosed in an outer casing of high density material to reduce sound transmission.
Duct connection is via flexible elastomer gaskets to eliminate air leakage and minimise sound and vibration transmission to ducts.

The TD-SILENT maintains all the excellent characteristics of the original TD
and has a greatly reduced noise level, within an attractive new aesthetic design
that will continue to lead the market well into the future.

You Tube Video:
TD-silent Fans

Twin-material support brackets, which in addition to simplifying installation, serve as joint seals.
A specifically designed internal coating to direct the sound waves in the right angle for them to be captured by the sound-absorbent material.

Connection box can be rotated 360º, to facilitate entry of the power cable
Support bracket for installing on a wall or ceiling, incorporating twin-material support brackets for the motor section that absorb vibrations.
Sound waves produced inside the TD, are directed through the perforated inner cover and absorbed by the layer of sound-absorbent material.

Technical