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DRR • Aluminium door or transfer grilles

PROJECTS

DISTRIBUTION

Door grilles
Aluminium
Anodized natural color
With counterframe

Datasheet

Aluminium door or transfer grilles for placement in doors and walls from 30 upto 54 mm.

Grille with an average free area of 39%

Brand

Cairox

Application

For air distribution between 2 rooms

Material

Aluminium anodized natural finish

Colour

Anodized natural finish
Other colours available upon request

Composition

Fixed non-vision V-shaped blades
Counterframe

Mounting

Visible screw mounting with counterframe

Order example

DRR, 600, 200

Explanation

DRR = Grille type

600= Length (see table)

200 = Height (see table)

Quick selection

Q	L x H	200x100	300x100	400x100	500x100	300x200	400x200	600x200 400x300	500x300	600x300	600x400
Q	Ak	0.0078	0.0117	0.0156	0.0195	0.0234	0.0312	0.0468	0.0585	0.0702	0.0936
60	Vk	2.14	1.42	1.07
	Ps	14.10	6.30	3.60
	Lw(A)	19	9	1
80	Vk	2.85	1.90	1.42	1.14
	Ps	25	11.10	6.30	4
	Lw(A)	28	18	10	4
100	Vk	3.56	2.37	1.78	1.42	1.19	0.89
	Ps	39.10	17.40	9.80	6.30	4.30	2.40
	Lw(A)	35	24	17	11	6	-
150	Vk		3.56	2.67	2.14	1.78	1.34
	Ps		39.10	22	14.10	9.80	5.50
	Lw(A)		37	29	23	19	11
200	Vk			3.56	2.85	2.37	1.78	1.19
	Ps			39.10	25	17.40	9.80	4.30
	Lw(A)			38	32	27	20	9
250	Vk				3.56	2.97	2.23	1.48	1.19
	Ps				39.10	27.20	15.30	6.80	4.30
	Lw(A)				39	34	27	16	10
300	Vk					3.56	2.67	1.78	1.42	1.19
	Ps					39.10	22	9.80	6.30	4.50
	Lw(A)					40	32	22	16	11
400	Vk						3.56	2.37	1.90	1.58	1.19
	Ps						39.10	17.40	11.10	7.70	4.30
	Lw(A)						41	30	25	20	12
500	Vk							2.97	2.37	1.98	1.48
	Ps							27.20	17.40	12.10	6.80
	Lw(A)							37	31	27	19
600	Vk							3.56	2.85	2.37	1.78
	Ps							39.10	25	17.40	9.80
	Lw(A)							43	37	32	25

Selection table

DRR	Q (2Pa) [m³/h]	Q (10Pa) [m³/h]
200 X 100	22	50
300 X 100	33	75
300 X 200	67	151
400 X 100	45	101
400 X 200	90	202
400 X 300	135	303
500 X 100	56	126
500 X 300	169	379
600 X 200	135	303
600 X 300	203	455
600 X 400	271	606

Symbols and specifications

Ps = Static pressure loss in Pa
Q = Air Volume in m³/h
L x H = Hole in wall or door in mm
Vk = Effective air velocity true the grille in m/s
Ak = Effective area in m²
Lw(A) = Acoustic power in dB(A)

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