Type FLEXTRO

Flexible plenum boxes requiring less transport and storage space

Flexible plenum boxes for supply air and extract air

  • For circular and square diffuser faces
  • Plenum box made of plastic and galvanised sheet steel
  • For supply and extract air
  • For all types of ceiling systems
  • Horizontal duct connection
  • Equalising element that ensures a uniform airflow through the diffuser face (supply air variant)
  • With acoustically optimised and lockable damper blade
  • Spigot with double lip seal
  • Up to 50 % less weight
  • Approximately 60 % less transport and storage space required
  • For comfort zones and industrial zones

FLEXTRO-R-Z 00133433_0
  • Application
  • Description

Application

  • Type FLEXTRO flexible plenum boxes for the connection of circular and square diffuser faces to circular ducts, suitable for supply air or extract air applications in comfort and industrial zones
  • For certain nominal sizes of Type AIRNAMIC, VDW, TDV, FD, TDF, ADLQ or DLQ diffuser faces with central screw fixing
  • Less transport and storage space required
  • For variable and constant volume flows
  • For all types of ceiling systems

Special characteristics

  • Plenum box made of plastic and galvanised sheet steel
  • For all types of ceiling systems
  • For circular and square diffuser faces
  • Easy to transport; easy and quick to erect for installation
  • Newly developed equalising element that ensures a uniform airflow through the diffuser face
  • Acoustically optimised damper blade for volume flow rate balancing, can be set in 15° intervals between 0 and 90°
  • Up to 50 % less weight
  • Approximately 60 % less transport and storage space required

Nominal sizes

  • Q: 600
  • R: 400, 600

Variants

  • FLEXTRO-R: Plenum box for circular diffuser faces
  • FLEXTRO-Q: Plenum box for square diffuser faces
  • FLEXTRO-*-Z: Supply air
  • FLEXTRO-*-A: Extract air

Parts and characteristics

  • Flexible fold-up casing for aerodynamic air patterns
  • Spigot with double lip seal
  • Damper blade for volume flow rate balancing, can be set in 15° intervals between 0 and 90°
  • Equalising element that ensures the best possible airflow through the diffuser face (supply air)
  • Cross bar for fixing the diffuser face
  • Metal angled support rod, with interlock, to erect the plenum box
  • Frame with suspension lugs

Construction features

  • Spigot suitable for circular ducts to EN 1506 or EN 13180
  • Spigot with double lip seal

Materials and surfaces

  • Frame made of galvanised sheet steel
  • Linkage and cross bar made of galvanised steel
  • Spigot, spigot mounting plate and damper blade made of ABS plastic, UL 94, V-0, flame retardant
  • Flexible walls of the plenum box are made of polyester fabric, to DIN 4102, fire rating class B1
  • Equalising element made of synthetic fibre

Maintenance

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

Teknisk information

  • Function
  • Technology
  • Specification text
  • Order code
Schematic illustration 00129715_0

A Plenum box for square diffuser faces
B Plenum box for circular diffuser faces
① Plenum box
② Central fixing screw
③ Cross bar
④ Suspension lug
⑤ Metal angled support rod
⑥ Equalising element (for supply air only)
⑦ Spigot
⑧ Lip seal
⑨ Damper blade for volume flow rate balancing

Functional description

Plenum boxes are used to connect ceiling diffusers to circular ducts and to fix the diffuser face.

Type FLEXTRO plenum boxes are fitted with an equalising element that ensures that the air is evenly distributed to the room.

A damper blade simplifies volume flow rate balancing for commissioning.

Standard combinations

VariantDiffuser face Variant
VariantAIRNAMIC-QVDW-QTDV-SA-QFD-QTDF-SA-QADLQ DLQ
FLEXTRO-Q600 625600 × 24 625 × 24600 625600 625600 625600 625


Standard combinations

VariantDiffuser face Variant
VariantAIRNAMIC-RVDW-RTDV-SA-RFD-RTDF-SA-R
FLEXTRO-R-*/400400L 400H
FLEXTRO-R-*/600600600 × 24 625 × 24600 625600 625600 625


Type FLEXTRO flexible plenum boxes for the connection of circular and square diffuser faces to circular ducts, suitable for supply air or extract air applications. For installation into all types of suspended ceilings.

The plenum box folds flat for transport and storage.

Component which consists of the frame with suspension lugs, flexible walls, equalising element (only for supply air), spigot at an angle of 45° and with an acoustically optimised damper blade, and a cross bar.

The diffuser face is fixed to the cross bar with a central screw, concealed by a decorative cap.

Spigot suitable for ducts to EN 1506 or EN 13180.

Special characteristics

  • Plenum box made of plastic and galvanised sheet steel
  • For all types of ceiling systems
  • For circular and square diffuser faces
  • Easy to transport; easy and quick to erect for installation
  • Newly developed equalising element that ensures a uniform airflow through the diffuser face
  • Acoustically optimised damper blade for volume flow rate balancing, can be set in 15° intervals between 0 and 90°
  • Up to 50 % less weight
  • Approximately 60 % less transport and storage space required

Materials and surfaces

  • Frame made of galvanised sheet steel
  • Linkage and cross bar made of galvanised steel
  • Spigot, spigot mounting plate and damper blade made of ABS plastic, UL 94, V-0, flame retardant
  • Flexible walls of the plenum box are made of polyester fabric, to DIN 4102, fire rating class B1
  • Equalising element made of synthetic fibre

00100893_0

 Type
FLEXTRO       Plenum box

 Diffuser face
R       Circular
Q       Square

 

 System
Z       Supply air
A       Extract air

 Nominal size [mm]
       Specify only for circular diffuser faces
400
600

 

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