Slot diffusers

VSD50

Slot diffusers with 50 mm diffuser face (nominal width) and adjustable air control elements

Nominal length from 600 to 1950 mm, 1 or 2 slots
Volume flow rate range 20 – 120 (l/s)/m or 72 – 432 (m³/h)/m
Diffuser face made of extruded aluminium sections
For variable and constant volume flows
Suitable for continuous linear arrangement
High induction results in a rapid reduction of the temperature difference and airflow velocity
Individually adjustable air control elements to meet individual local requirements

Optional equipment and accessories

Exposed diffuser face available in RAL CLASSIC colours
Diffuser face with extended border
Damper blade for volume flow rate balancing, can be adjusted through the diffuser face
Concealed screw fixing that simplifies installation of the diffuser after the ceiling has been completed
Symmetric and asymmetric plenum boxes, with or without lining
End plates, end angles, corner sections

VSD15

Note: Except UK and SPAIN - VSD slot diffusers will be discontinued on December 31, 2021 and can be replaced with PURELINE slot diffusers.

Slot diffusers with 15 mm diffuser face (nominal width) and adjustable air control elements

Nominal lengths from 600 to 1500 mm, 1 slot
Volume flow rate range from 7 to 30 (l/s)/m or 25 to 108 (m³/h)/m
Diffuser face made of extruded aluminium sections
For variable and constant volume flows
Suitable for continuous linear arrangement
High induction results in a rapid reduction of the temperature difference and airflow velocity
Individually adjustable air control elements to meet individual local requirements

Optional equipment and accessories

Exposed diffuser face available in RAL CLASSIC colours
Diffuser face with extended border
Damper blade for volume flow rate balancing, can be adjusted through the diffuser face
Plenum box with lining
End angle, end seal
White air control elements

VSD35 Varyset

Slot diffusers with 35 mm nominal width, with adjustable air control elements and self-powered Varyset flap for the adjustment of the active slot diffuser length

Nominal length from 900 to 1500 mm, 1 or 4 slots
Volume flow rate range 8 – 90 (l/s)/m or 29 – 324 (m³/h)/m
Diffuser face made of extruded aluminium sections
For variable volume flows
Excellent room ventilation even with small volume flow rates due to self-powered Varyset flap
Suitable for continuous linear arrangement
High induction results in a rapid reduction of the temperature difference and airflow velocity
Individually adjustable air control elements to meet individual local requirements

Optional equipment and accessories

Exposed diffuser face available in RAL CLASSIC colours
Diffuser face with extended border
End plates, end angles

VSD35-3-AZ

Slot diffusers with 35 mm nominal width, used as supply and extract air combination

Nominal length from 600 to 1200 mm, 3 slots
Volume flow rate range 8 – 40 l/s or 30 – 144 m³/h
Diffuser face made of extruded aluminium sections
For variable and constant volume flows
High induction results in a rapid reduction of the temperature difference and airflow velocity
Individually adjustable air control elements to meet individual local requirements

Optional equipment and accessories

Exposed diffuser face available in RAL CLASSIC colours
Damper blade for volume flow rate balancing, can be adjusted through the diffuser face
Acoustic lining that ensures very good transmission loss
Screw fixing
End angles, fixing brackets

VSD35

Slot diffusers with 35 mm diffuser face (nominal width) and adjustable air control elements

Nominal length from 600 to 1950 mm, 1 to 4 slots
Volume flow rate range 15 – 135 (l/s)/m or 54 – 486 (m³/h)/m
Diffuser face made of extruded aluminium sections
For variable and constant volume flows
Suitable for continuous linear arrangement
High induction results in a rapid reduction of the temperature difference and airflow velocity
Individually adjustable air control elements to meet individual local requirements

Optional equipment and accessories

Exposed diffuser face available in RAL CLASSIC colours
Diffuser face with extended border
Damper blade for volume flow rate balancing, can be adjusted through the diffuser face
Concealed screw fixing that simplifies installation of the diffuser after the ceiling has been completed
Symmetric and asymmetric plenum boxes, with or without lining
End plates, end angles, corner sections

VSD50-1-LT

Slot diffusers with 50 mm diffuser face (nominal width) and adjustable air control elements

Nominal length: 550, 1175 mm, 1 slot
Volume flow rate range 10 – 70 l/s or 36 – 252 m³/h
Diffuser face made of extruded aluminium sections
For variable and constant volume flows
Installation into lightweight partition walls with a 50 mm wide metal support structure and a wall thickness of 100 mm
High induction results in a rapid reduction of the temperature difference and airflow velocity
Individually adjustable air control elements to meet individual local requirements

Optional equipment and accessories

Exposed diffuser face available in RAL CLASSIC colours
Damper blade for volume flow rate balancing, can be adjusted through the diffuser face

ESD

The type ESD slot diffuser is available with 1 to 8 slots and is suitable for supply or return air application. The slot diffusers are suitable for use in systems with constant and variable volume flows.

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