Type VSD50-1-LT

For the space saving installation into lightweight partition walls with a metal support structure

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
  • Diffuser face with spring clip fixing
  • 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

VSD50-1-LT-AZ-M-L/1175 00142859_0
  • Application
  • Description

Application

  • Type VSD50-1-LT slot diffusers are used as supply air or extract air devices or as supply and extract air combinations in comfort zones
  • Angled one-way air discharge for turbulent flow (mixed flow ventilation)
  • High induction results in a rapid reduction of the temperature difference and airflow velocity (supply air variant)
  • For variable and constant volume flows
  • For supply air to room air temperature differences from –10 to +10 K
  • For room heights up to 4 m (lower edge of suspended ceiling)
  • For the space saving installation into lightweight partition walls with a 50 mm wide metal support structure and a wall thickness of 100 mm

Special characteristics

  • Individually adjustable air control elements to meet individual local requirements
  • High induction results in a rapid reduction of the temperature difference and airflow velocity
  • Diffuser face has been optimised for maximum volume flow rate at low sound power levels
  • Internal acoustic lining that reduces room-to-room cross talk through the ductwork
  • Diffuser face with spring clip fixing that allows for easy installation of the diffuser face after drywalling is complete

Nominal sizes

  • LN: 550, 1175 mm

Variants

  • VSD50 -1-LT: Slot diffuser for supply air or extract air
  • VSD50 -1-LT-AZ: Slot diffuser as a supply and extract air combination (only LN 1175 mm)
  • VSD50 -1-LT-.../WW: White air control elements

Parts and characteristics

  • Diffuser face with individually adjustable air control elements
  • Plenum box for horizontal duct connection
  • Internal acoustic lining to increase transmission loss
  • Spring clip fixing

Attachments

  • Damper blade for volume flow rate balancing

Accessories

  • Lip seal

Construction features

  • Spigot suitable for circular ducts to EN 1506 or EN 13180
  • Spigot with groove for lip seal (if accessory lip seal has been ordered)

Materials and surfaces

  • Diffuser face made from extruded aluminium sections
  • Air control elements made of plastic, UL 94, V-0, flame retardant
  • Plenum box made of galvanised sheet steel
  • End angle made of aluminium
  • Lip seal made of rubber
  • Acoustic lining is mineral wool
  • Diffuser face with anodised finish, E6-C-0, natural colour
  • P1: Powder-coated, RAL CLASSIC colour
  • Air control elements similar to RAL 9005, black
  • WW: Air control elements similar to RAL 9010, white


Mineral wool

  • To EN 13501, fire rating class A1, non-combustible
  • RAL quality mark RAL-GZ 388
  • Biosoluble and hence hygienically safe according to the German TRGS 905 (Technical Rules for Hazardous Substances) and EU directive 97/69/EG
  • Faced with glass fibre fabric as a protection against erosion through airflow velocities of up to 20 m/s
  • Inert to fungal and bacterial growth

Standards and guidelines

  • Sound power level of the air-regenerated noise measured according to EN ISO 5135

Maintenance

  • Maintenance-free as construction and materials are not subject to wear
  • Inspection and cleaning to VDI 6022

Technical information

  • Function
  • Technology
  • Quick sizing
  • Specification text
  • Order code
Schematic illustration of VSD50-1-LT as supply and extract air combination 00203549_0

① Diffuser face
② Adjustable air control element
③ End angle
④ Plenum box with acoustic lining
⑤ Acoustic lining (reduces room-to-room cross talk)
⑥ Spigot
⑦ Suspension hole
Optional
⑧ Lip seal
⑨ Damper blade for volume flow rate balancing

Functional description

Slot diffusers direct the air from air conditioning systems into the room, either horizontally or at an angle. The resulting airflow induces high levels of room air, thereby rapidly reducing the airflow velocity and the temperature difference between supply air and room air. The result is a mixed flow ventilation in comfort zones, with good overall room ventilation, creating only very little turbulence in the occupied zone.

Type VSD50-1-LT slot diffusers have adjustable air control elements. The air pattern can be adjusted to meet different local requirements. The supply air to room air temperature difference may range from –10 to +10 K.

A damper blade (optional) simplifies volume flow rate balancing for commissioning.

To give rooms an aesthetic, uniform look, Type VSD50-1-LT diffusers may also be used for extract air or as a supply and extract air combination.

Nominal length550, 1175 mm
Number of slots1
Minimum volume flow rate10, 25 l/s or 36, 90 m³/h
Maximum volume flow rate, with LWA ≅ 50 dB(A)35, 70 l/s or 126, 252 m³/h
Supply air to room air temperature difference–10 to +10 K


Quick sizing – sound power level and total differential pressure

Nominal lengthVDamper blade position
Nominal lengthV45°90°
Nominal lengthVΔptLWAΔptLWAΔptLWA
Nominal lengthl/sm³/hPadB(A)PadB(A)PadB(A)
550 10 36 7<1511<1529<15
550 15 54 171824236422
550 25 90 4634663817940
550 35 126 90451304735051
1175 25 90 181926246326
1175 45 162 6036864020442
1175 55 198 89431284530547
1175 70 252 145502075249454


Quick sizing – sound power level and total differential pressure

Nominal lengthVDamper blade position
Nominal lengthV45°90°
Nominal lengthVΔpt supply airΔpt extract airLWAΔpt supply airΔpt extract airLWAΔpt supply airΔpt extract airLWA
Nominal lengthl/sm³/hPadB(A)PadB(A)PadB(A)
1175 10 36 76<15121015303317
1175 15 54 151320262326687529
1175 25 90 43353672644018820845
1175 40 144 11090501861635348253261


Slot diffusers with individually manually adjustable air control elements and an aesthetically shaped face section with one wide slot, for angled air discharge. For supply air, extract air or as a supply and extract air combination. For installation in lightweight partition walls with metal support structure.

Ready-to-install component which consists of the diffuser face with individually adjustable black or white air control elements, and of a plenum box with side entry spigot and acoustic lining to reduce room-to-room cross talk.

Diffuser face with spring clip fixing to the plenum box.

Spigot suitable for circular ducts to EN 1506 or EN 13180.

Sound power level of the air-regenerated noise measured according to EN ISO 5135.

Special characteristics

  • Individually adjustable air control elements to meet individual local requirements
  • High induction results in a rapid reduction of the temperature difference and airflow velocity
  • Diffuser face has been optimised for maximum volume flow rate at low sound power levels
  • Internal acoustic lining that reduces room-to-room cross talk through the ductwork
  • Diffuser face with spring clip fixing that allows for easy installation of the diffuser face after drywalling is complete

Materials and surfaces

  • Diffuser face made from extruded aluminium sections
  • Air control elements made of plastic, UL 94, V-0, flame retardant
  • Plenum box made of galvanised sheet steel
  • End angle made of aluminium
  • Lip seal made of rubber
  • Acoustic lining is mineral wool
  • Diffuser face with anodised finish, E6-C-0, natural colour
  • P1: Powder-coated, RAL CLASSIC colour
  • Air control elements similar to RAL 9005, black
  • WW: Air control elements similar to RAL 9010, white


Mineral wool

  • To EN 13501, fire rating class A1, non-combustible
  • RAL quality mark RAL-GZ 388
  • Biosoluble and hence hygienically safe according to the German TRGS 905 (Technical Rules for Hazardous Substances) and EU directive 97/69/EG
  • Faced with glass fibre fabric as a protection against erosion through airflow velocities of up to 20 m/s
  • Inert to fungal and bacterial growth

Technical data

  • Nominal length 550, 1175 mm
  • Number of slots: 1
  • Minimum volume flow rate: 10, 25 l/s or 36, 90 m³/h
  • Maximum volume flow rate, with LWA ≅ 50 dB(A): 35, 70 l/s or 126, 252 m³/h
  • Supply air to room air temperature difference: –10 to +10 K

00135405_0

 Type
VSD50-1-LT       Slot diffuser for lightweight partition walls

 Construction
       No entry: supply or extract air
AZ       Supply and extract air combination (only nominal size 1175 mm)

 Damper blade for volume flow rate balancing
No entry: none
M       With

 Accessories
No entry: none
L       With lip seal

 

 Nominal size [mm]
       Nominal length LN
550
1175

 Exposed surface
       No entry: anodised, E6-C-0, natural colour
P1       Powder-coated, specify RAL CLASSIC colour

       Gloss level
       RAL 9010 50 %
       RAL 9006 30 %
       All other RAL colours 70 %

 Colour of air control elements
       No entry: similar to RAL 9005, black
WW       Similar to RAL 9010, white

 

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Contact

Thank you for your message!

Visual contact Visual contact

Your message is send and will be processed shortly.
Our department for Service-Requests will contact you asap.
For general question regarding products or services you can also call:
Tel.: +49 (0)2845 / 202-0 | Fax: +49 (0)2845/202-265