LPA

Circular ceiling diffuser for supply- and extract air

Guide vane perforation with swirl spread pattern
High induction capabilities
Adapted for mounting in drywall ceiling
Simple installation
Can be used with the commissioning box ALS
Standard colour White RAL 9003
- 5 alternative standard colours
- Other colours upon request

Calculate with your requirements

Design

Material and surface treatment

The backing box is manufactured in galvanized sheet steel. The diffuser face is manufactured in sheet steel and powder coated.

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.

AIR FLOW - SOUND PRESSURE ROOM (Lp10A) *)
LPA Size		25 dB(A)		30 dB(A)		35 dB(A)
LPA Size		l/s	m3/h	l/s	m3/h	l/s	m3/h
160		51	184	59	212	70	252
200		76	284	86	310	98	353
250		110	396	120	432	140	504
315		150	540	175	630	205	738
400		210	756	245	882	280	1008

LPA Size	ALS Size	25 dB(A)		30 dB(A)		35 dB(A)
LPA Size	ALS Size	l/s	m3/h	l/s	m3/h	l/s	m3/h
160	125-160	32	115	40	144	48	173
200	160-200	48	173	61	220	73	263
250	200-250	73	263	93	335	111	400
315	250-315	105	378	125	450	147	529
400	315-400	136	490	175	630	225	810
Data is shown for supply air. Data for the combination of LPA and ALS is presented at a total pressure of 50 Pa. *) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m² room absorption area.

ALS

Commissioning box for air diffusers

Nordic Swan listed

The product is listed in the database for building products that can be used in Nordic Swan Ecolabelled buildings.

Filter

Include Accessory documents

Document	Article	Document type	Date
Circular ceiling diffuser for supply- and extract air (pdf 1.23MB)	LPAa	Technical catalogue	19/11/2021
Installation, commissioning, maintenance (pdf 838.85kB)	LPAa	IOM Manual	14/06/2019
Overview - Air diffusers (pdf 4.28MB)	Air diffusers	Brochure	21/02/2025
Commissioning guide - Air diffusers, VAV/CAV- & Commissioning dampers (pdf 7.73MB)	Air diffusers, VAV/CAV- & Commissioning dampers	IOM Manual	27/02/2025
Nano certificate (pdf 71.51kB)	Air diffusers	Quality	03/10/2023
Product description - Air diffusers & dampers (pdf 249.19kB)	Air diffusers & dampers	IOM Manual	19/10/2023

Whilst we have made every effort to ensure information on this website is up to date and accurate, the technical specification and availability of products/services listed on this website may vary market to market and are subject to change without notice. Please contact your regional representative or visit your local website for further details.