Type AK-Uni

Universal plenum box, available in many variants

Plenum boxes for supply air and extract air

  • For circular and square diffuser faces
  • Plenum box made of 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)
  • For comfort zones and industrial zones


Optional equipment and accessories

  • Damper blade for volume flow rate balancing
  • Pressure tap and cord-operated damper blade for volume flow rate balancing
  • Lip seal

AK-Uni-004-ZL-M-L 00133411_0
  • Application
  • Description

Application

  • Type AK-Uni 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 diffuser faces of Types VDW, TDV, RFD, FD, TDF, ADD, ADLQ, DLQ, ADLR, and DLQL, with central screw fixing
  • For variable and constant volume flows
  • For all types of ceiling systems

Special characteristics

  • Plenum box made of galvanised sheet steel
  • For all types of ceiling systems
  • For circular and square diffuser faces
  • Horizontal duct connection
  • For comfort zones and industrial zones

Variants

  • AK-Uni-...-ZL: Supply air
  • AK-Uni-...-AL: Extract air

Parts and characteristics

  • Casing with spigot and cross bar for fixing the diffuser face
  • Equalising element that ensures a uniform airflow through the diffuser face (supply air variant)
  • Simple installation of the diffuser face due to central fixing screw with decorative cap

Attachments

  • M: Damper blade for volume flow rate balancing
  • MN: Pressure tap and cord-operated damper blade for volume flow rate balancing with the diffuser face in place

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

  • Casing, cross bar and spigot made of galvanised sheet steel
  • Equalising element made of galvanised, perforated sheet steel
  • Lip seal made of rubber

Maintenance

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

Technical information

  • Function
  • Technology
  • Specification text
  • Order code
Schematic illustration 00129249_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 hole
⑤ Spigot

Optional
⑥ Lip seal
⑦ Damper blade for volume flow rate balancing
⑧ Pressure tap
⑨ Green cord for closing the damper blade
⑩ White cord for opening the damper blade
⑪ Measuring tube
⑫ Text label indicating plenum box variant

Functional description

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

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

A damper blade (optional) simplifies volume flow rate balancing for commissioning. Pressure tap and cord-operated damper blade (optional) allow for volume flow rate balancing with the diffuser face in place.

Standard combinations

VariantØDDiffuser face Variant
VariantØDVDW-QTDV-SA-QFD-QTDF-SA-QADD-QADLQ DLQADLR-QDLQL
AK-Uni-001 158 300 × 8300300300300
AK-Uni-002 198 400 × 16400400400400400
AK-Uni-003 198 500 × 24500500500
AK-Uni-004 248 600 × 24 625 × 24600 625600 625600 625
AK-Uni-005 248 600 × 48
AK-Uni-006 248 625 × 54
AK-Uni-007 313 825 × 72
AK-Uni-008 158 250250
AK-Uni-009 158 300
AK-Uni-010 248 500500
AK-Uni-011 313 600 625
AK-Uni-012 313 600
AK-Uni-019 123 2501
AK-Uni-020 158 3002
AK-Uni-021 198 4003
AK-Uni-022 248 4504
AK-Uni-023 248 5005
AK-Uni-024 313 6
AK-Uni-025 313 600 6257
AK-Uni-026 313 8


Alternative combinations

VariantØDDiffuser face Variant
VariantØDVDW-QFD-QADLQ DLQ
AK-Uni-004 248 600<, 625<
AK-Uni-005 248 600 × 24 625 × 24600 625600< 625<
AK-Uni-006 248 625 × 24625625<
AK-Uni-010 248 500 × 24>500>
AK-Uni-011 313 600 × 24> 625 × 24>600> 625>
AK-Uni-012 313 600 × 24> 625 × 24>600< 625<600 625
AK-Uni-012 313 600 × 48>
AK-Uni-027 313 625 × 24>625>625
AK-Uni-027 313 625 × 54>

< Smaller connection diameter

> Larger connection diameter


Standard combinations

VariantØDDiffuser face Variant
VariantØDVDW-RTDV-SA-RFD-RTDF-SA-RADD-RADLR
AK-Uni-013 158 300 × 8300300300
AK-Uni-014 198 400 × 16400400400
AK-Uni-015 198 500 × 24500500500
AK-Uni-016 248 600 × 24 625 × 24600 625600 625600 625
AK-Uni-017 248 600 × 48
AK-Uni-019 123 2501
AK-Uni-020 158 3002
AK-Uni-021 198 4003
AK-Uni-022 248 4504
AK-Uni-023 248 5005
AK-Uni-024 313 6
AK-Uni-025 313 6007
AK-Uni-026 313 8


Alternative combinations

VariantØDDiffuser face Variant
VariantØDVDW-RFD-RADLR
AK-Uni-013 158 2
AK-Uni-014 198 4>
AK-Uni-016 248 7<
AK-Uni-017 248 600 × 24 625 × 24600 6257
AK-Uni-018 248 625 × 246258<
AK-Uni-022 248 400 × 16>400>
AK-Uni-024 313 500 × 24>500>
AK-Uni-025 313 600 × 24> 625 × 24>600> 625>
AK-Uni-025 313 600 × 48>
AK-Uni-026 313 625 × 24>625>

< Smaller connection diameter

> Larger connection diameter


Standard combinations

VariantØDDiffuser face type
VariantØDRFD
AK-Uni-028 98 125
AK-Uni-029 123 160
AK-Uni-030 158 200
AK-Uni-031 198 250
AK-Uni-032 248 315
AK-Uni-033 313 400


Universal 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.

Ready-to-install component which consists of the plenum box, equalising element (only supply air variants), side entry spigot, cross bar, and suspension holes.

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 galvanised sheet steel
  • For all types of ceiling systems
  • For circular and square diffuser faces
  • Horizontal duct connection
  • For comfort zones and industrial zones

Materials and surfaces

  • Casing, cross bar and spigot made of galvanised sheet steel
  • Equalising element made of galvanised, perforated sheet steel
  • Lip seal made of rubber

00129030_0

 Type
AK-Uni       Plenum box

 Variant
001 to 033

 

 System
ZL       Supply air
AL       Extract air

 Damper blade for volume flow rate balancing
No entry: none
M       With
MN       With cords and pressure tap

 Accessories
No entry: none
L       With lip seal

 

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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