Products

Product characteristics:

• structural elements are made of pressed aluminum + galvanized steel,
• powder painted white (RAL 9010),
• good for hot or cold air supply/exhaust,
• easy adjustment of air flow direction,
• appropriate for systems with variable air amount,
• light weight even in case of large size,
• easy installation and adjustment thanks to unique technical design,
• product has certificate of the National Hygiene Institute PZH.

There is a big flexibility of usage SDML aluminium slot diffusers while they have the possibility of creating the proper direction of the stream exhaust. This type of the diffusers can also be used with the supply of the hot or cold air and easy regulation of the outlet makes it effective in the systems with the changeable productivity. SDML slot diffusers are offered in the simple modules with the standard lengths. However, there is a possibility that Centrum Klima S.A. will offer the slot diffusers of the free forms corresponding with the interior design. (see picture). They are made for the special order according to the client’s model. There is also an option: SDML slot diffusers can be equipped with the plenum boxes.

Model	A [mm]	B [mm]	C [mm]	B1 [mm]	F [mm]	G [mm]	H [mm]	L [mm]
2 slots	123	28	24	19	42	88	37	1022
3 slots	167	28	24	19	42	131	37	1022
4 slots	207	28	24	19	42	174	37	1022

Characteristics of diffusers SDML

Model	Details
2 slots	V [m³/h]	65	130	205	270
	Ps [Pa]	1	3	8	14
	NC [dB]	-	-	16	23
	T poziom [m]	0,3 - 0,9 - 3,7	1,6 - 3,7 - 7,1	3,7 - 5,3 - 9,0	4,6 - 7,1 - 10,5
	T pion [m]	1,6	3,4	5,0	5,9
2 slots	V [m³/h]	335	400	470	540
	Ps [Pa]	22	32	43	57
	NC [dB]	29	33	37	40
	T poziom [m]	5,9 - 8,4 - 11,8	7,1 - 9,0 - 7,4	8,1 - 9,9 - 14,0	8,7 - 10,5 - 14,9
	T pion [m]	6,8	7,4	8,1	8,7
3 slots	V [m³/h]	100	200	300	400
	Ps [Pa]	1	3	8	14
	NC [dB]	-	-	18	25
	T poziom [m]	0,6 - 1,6 - 4,3	2,5 - 4,3 - 8,7	4,3 - 6,5 - 11,2	5,9 - 8,7 - 13,0
	T pion [m]	2,2	4,0	6,2	7,4
3 slots	V [m³/h]	505	605	710	805
	Ps [Pa]	22	32	43	57
	NC [dB]	30	35	39	42
	T poziom [m]	7,1 - 10,2 - 14,3	8,7 - 11,1 - 15,8	9,9 - 12,1 - 17,1	10,5 - 13,0 - 18,3
	T pion [m]	8,4	9,0	9,9	10,5
4 slots	V [m³/h]	130	270	401	540
	Ps [Pa]	1	3	8	14
	NC [dB]	-	-	19	26
	T poziom [m]	0,9 - 1,9 - 5,0	3,4 - 5,0 - 10,2	5,0 - 7,4 - 13,0	6,8 - 10,2 - 14,9
	T pion [m]	2,5	4,7	7,1	8,7
4 slots	V [m³/h]	670	805	940	1080
	Ps [Pa]	22	32	43	57
	NC [dB]	32	36	40	43
	T poziom [m]	8,4 - 11,8 - 16,7	10,2 - 13,0 - 18,3	11,5 - 14,0 - 19,5	12,1 - 14,9 - 21,1
	T pion [m]	9,6	10,5	11,2	12,1

NC [dB] correction factors for length multiplication factor
Multiplication factor	2	4	6	8	10
Intake	-3	0	+2	+3	+5
Discharge	0	+3	+5	+6	+8

T [m] correction factors for length multiplication factor
Multiplication factor	2	4	8	10	12
Range correction	0.72	1.0	1.5	1.7	1.8

- T [m] - range given respectively for speeds: 0,75 m/s 0,50 m/s and 0,25 m/s
- Ps [Pa] - static pressure
- NC [dB] - noise level with room attenuation assumed to be 10 dB