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Lay in 4 Way Diffuser
General Information:
The Ventech lay-in 4 way diffusers are designed to fit any space without sacrificing aesthetics while delivering outstanding performance in a 4 way airflow pattern.
Laboratory tests have demonstrated that lay-in diffusers are ideal for variable volume systems, due to its blade design, with which an adherent jet is obtained (Coanda Effect) with a highly satisfactory efficiency, especially recommended in cold air installations.
The Ventech Lay-in square diffusers are also available in 1, 2, and 3 ways. All square diffusers have standardized neck dimension for duct mounting.
Features:
- Supply or return air applications
- Complete assembly from extruded aluminium sections
- Rigid, heavy gauge extruded frames with reinforced mitered and welded corners
- Special patterns are available (optional opposed blade damper)
- Powder coated finish, standard color white
Nominal Neck Metric ( X ) | Face Size ( A ) |
150 x 150 mm | 295 x 295 mm |
225 x 225 mm | 370 x 370 mm |
300 x 300 mm | 445 x 445 mm |
375 x 375 mm | 520 x 520 mm |
450 x 450 mm | 595 x 595 mm |
* Grilles are powder coated white as standard
* The first number is for horizontal dimension and the second number is for vertical dimension
QUICK SELECTION TABLE
Symbols:
AK – Effective area
Vk – Effective velocity in m/s
X – Throw in metres correspond to a terminal velocity in occupied zone of 0.25m/s
Pressure ( Pt ) – All pressures are in Pa (N/m2)
NR – Noise level index in dB based on a room absorption and one diffuser
QUICK SELECTION TABLE
Symbols:
AK – Effective area
Vk – Effective velocity in m/s
X – Throw in metres correspond to a terminal velocity in occupied zone of 0.25m/s
Pressure ( Pt ) – All pressures are in Pa (N/m2)
NR – Noise level index in dB based on a room absorption and one diffuser