AKK_img_01psd.png
Plastic shut-off damper with flange (AKK-FL)

Variant with electric actuator

AKK_img_05psd.png
Variant with circular spigot

Variant with circular spigot

AKK_img_04psd.png
Variant for manual operation

Variant for manual operation

Copy_of_VDI6022_gs_01ai.png
Tested to VDI 6022

Tested to VDI 6022

AKK_img_01psd.png
AKK_img_05psd.png
AKK_img_04psd.png
Copy_of_VDI6022_gs_01ai.png

AKK 

For contaminated air

Plastic circular shut-off dampers for shutting off aggressive media volume flows in air conditioning systems

  • Maintenance-free damper blade mechanism
  • Closed blade air leakage to EN 1751, class 3
  • Casing air leakage to EN 1751, class B

Optional equipment and accessories

  • Electric actuator
  • Spring return actuator
  • Pneumatic actuator
  • Auxiliary switch with adjustable switching points for capturing the end positions

General information



Application

  • Plastic circular shut-off dampers Type AKK for shutting off or restricting the airflow in ventilation ducts of air conditioning systems
  • Suitable for contaminated air


Special features

  • Damper blade can be actuated manually, electrically or pneumatically
  • Low-leakage shut-off
  • Safety function provided by optional spring return actuator


Nominal sizes

  • 125, 160, 200, 250, 315, 400


Variants

  • AKK: Shut-off damper
  • AKK-FL: Shut-off damper with flanges on both ends


Parts and characteristics

  • Ready-to-install shut-off damper
  • Damper blade with blade mechanism


Attachments

  • Open/Close actuators: For the opening and closing of shut-off dampers in air conditioning systems
  • Auxiliary switch for capturing the end positions





Nominal sizes

  • 125, 160, 200, 250, 315, 400

Technical information

Function, Technical data, Specification text, Order code

  • Function
  • TECHNICAL DATA
  • SPECIFICATION TEXT
  • ORDER CODE
AKK: schematic diagram (version with flange) AKK_gc_03ai.png

1 Damper blade

2 Plain bearings

3 Flange (optional)

4 Actuator (optional)

Functional description
For airtight shut-off of volume flows in round plastic air ducts - typically for contaminated extract air in laboratories. The basic version is shut off by manually actuating the damper blade. Electrically or pneumatically operated actuators, which are available in different versions, can also be used to operate the damper blade. The versions differ with regard to the power supply and safety position (de-energised or de-pressurised state). Actuators with auxiliary switches for electrical monitoring of the damper blade position are also available.

The actuator of a damper blade must be controlled by a customer-side circuit and then moves the damper blade to the OPEN or CLOSED position.

Nominal sizes125 – 400 mm
Acceptable static differential pressure1500 Pa
Operating temperature10 – 50 °C

Circular shut-off dampers in PPs plastic for air conditioning systems, available in 6 nominal sizes. Suitable for shutting off or restricting extract air flows containing aggressive substances since all components coming into contact with the airflow are made of plastic (no interior metal parts).

Suitable for duct pressures up to 1500 Pa.

Ready-to-install unit consists of the casing with a damper blade.

Spigot, suitable for ducts according to DIN 8077.

Position of the damper blade indicated externally at the shaft extension.

Closed blade air leakage to EN 1751, class 3.

Casing air leakage to EN 1751, class B.




Parts and characteristics

  • Ready-to-install shut-off damper
  • Damper blade with blade mechanism



Technical data

  • Nominal sizes: 125 – 400 mm
  • Acceptable static differential pressure: 1500 Pa


AKK–FL/160/GK/BP0/NO
||||||
123456
1 Type
AKK Shut-off damper, plastic

2 Flange
No entry: none
FL Flanges on both ends

3 Nominal size [mm]
125, 160, 200, 250, 315, 400

4 Accessories
No entry: without accessories
GK Matching flanges both ends

5 Actuator
No entry: Shut-off damper, manually adjustableOpen/Close actuators
B30 24 V AC/DC, 3-point
B32 24 V AC/DC, 3-point, with auxiliary switch
B40 230 V AC, 3-point
B42 230 V AC, 3-point, with auxiliary switchOpen/Close actuators with safe position
BP0 24 V AC/DC, spring return
BP2 24 V AC/DC, spring return, with auxiliary switch
BR0 24 - 240 V AC, 24 - 125 V DC, spring return
BR2 24 - 240 V AC, 24 - 125 V DC, spring return, with auxiliary switchModulating actuators
B20 24 V AC/DC, modulating, 2 – 10 V DCPneumatic actuator with safe position
TN0 Pneumatic actuator 0.2 – 1 bar

6 Damper blade position
Only with spring return actuator or pneumatic actuator
NO pressure off/power off to OPEN (Normally Open)
NC power off/pressure off to CLOSE (Normally Closed)Order example: AKK-FL/160/GK/BP0/NO
TypeAKK
FlangeFlanges on both ends
Nominal size [mm]160
AccessoriesMatching flanges both ends
Actuator24 V AC/DC, spring return actuator
Nominal sizepressure off/power off to OPEN (Normally Open)

Varianten, Installation and commissioning

  • Varianten
  • INSTALLATION AND COMMISSIONING
Plastic shut-off damper with spigot (AKK)
AKK_img_02psd.png

Variant without actuator, manual operation

AKK_img_02psd.png
AKK_img_03psd.png

Application

  • Runde Absperrklappen aus Kunststoff zur Absperrung oder Drosselung von Luftleitungen in raumlufttechnischen Anlagen
  • Für kontaminierte Luft geeignet

Access to attachments TVR_gc_05ai.png

Schematic illustration of required installation space

Installation and commissioning

  • Any installation orientation

Space required for commissioning and maintenance

Sufficient space must be kept clear near any attachments to allow for commissioning and maintenance. It may be necessary to provide sufficiently sized inspection access openings.

Dimensions and weights

  • DIMENSIONS AND WEIGHTS
Access to attachments TVR_gc_05ai.png

Schematic illustration of required installation space

Dimensions and weights

AKK

NS

ØD

L

B3

H3

m [kg]
1251253941951451.2
1601603942301801.5
2002003942702201.9
2502505943202703.1
3153155943853355
4004005944704207.2

AKK/.../B**

NS

ØD

L

B3

H3

m [kg]
1251253941951453.1
1601603942301803.4
2002003942702203.8
2502505943202705
3153155943853356.9
4004005944704209.1

AKK/.../TN0

NS

ØD

L

B3

H3

m [kg]
1251253941951452.9
1601603942301803.2
2002003942702203.6
2502505943202704.8
3153155943853356.7
4004005944704208.9

AKK-FL

NSAKK-FLAKKFL/.../B**AKKFL/.../TN0

ØD

L

B3

H3

ØD1

ØD2

n

T

m [kg]
1251.53.43.212540019514516518588
1601.93.83.616040023018020023088
2002.44.34.120040027022024027088
2503.75.65.4250600320270290320128
31567.97.73156003853353503951210
4008.510.410.24006004704204454751610
Attachments

1

2

3

Without actuator

250150200

With electric actuator

300200300

With pneumatic actuator

400350300

Downloads

product information

  • Print page AKK

  • Product data sheet Type AKK

    AKK_PD_2023_11_23_DE_en Product data sheet 430 KB pdf

certificates

  • AKK_HC_2020_06_08_DE_enpdf.pdf

    690 KB pdf

  • Declaration of conformity or declaration of incorporation Type AKK

    Declaration of conformity or declaration of incorporation 94 KB pdf

  • Declaration of hygiene conformity Type AKK

    AKK_HC_2020_06_08_DE_en Hygiene certificate 1,7 MB pdf

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