EXP Free

Circular extract air diffuser for suspended mounting

Large air flow range
Designed for installation in rooms without suspended ceiling
If necessary, the air distribution plate can be dismantled and rectified easily in connection with installation/commissioning
Fast and simple installation and commissioning with the spring loaded Quick Access front
Can be supplied in a galvanized design
Standard colour White RAL 9003
- 5 alternative standard colours
- Other colours upon request

Functions
- Air extrait

Calculate with your requirements

Design

Material and surface treatment

The diffuser face is made of sheet steel. The commissioning box is made of galvanized sheet steel. The diffuser is finished, internally and externally.

Standard colour:
- RAL 9003, signal white, gloss 40
Alternative standard colours:
- RAL 9006, white aluminium, gloss 80
- RAL 9007, grey aluminium, gloss 80
- RAL 9010, pure white, gloss 40
- RAL 9005, jet black, gloss 35
- RAL 7037, dusty grey, gloss 30
Non-painted finish and other colours available on request.

Adaptation

AIR FLOW - SOUND PRESSURE ROOM (Lp10A) *)
EXP Free Size	25 dB(A)		30 dB(A)		35 dB(A)
EXP Free Size	l/s	m3/h	l/s	m3/h	l/s	m3/h
100	28	101	34	122	42	151
125	49	176	58	209	70	252
160	82	295	97	349	115	414
200	122	439	145	522	172	619
250	170	612	205	738	245	882
315	255	918	310	1116	370	1332
400	370	1332	445	1602	510	1836
The table shows data for open damper. *) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m2 room absorption area.

Filter

Include Accessory documents

Document	Article	Document type	Date
Commissioning guide - Air diffusers, VAV/CAV- & Commissioning dampers (pdf 7.73MB)	Air diffusers, VAV/CAV- & Commissioning dampers	IOM Manual	27/02/2025
Product description - Air diffusers & dampers (pdf 249.19kB)	Air diffusers & dampers	IOM Manual	19/10/2023
Overview - Air diffusers (pdf 4.28MB)	Air diffusers	Brochure	21/02/2025
Nano certificate (pdf 71.51kB)	Air diffusers	Quality	03/10/2023
Circular extract air diffuser for suspended mounting (pdf 7.52MB)	EXP Free b	Technical catalogue	25/04/2022
Installation, Commissioning, Maintenance (pdf 8.24MB)	EXP Free b	IOM Manual	25/04/2022

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