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CU-LT+BFLT24 • Motorized rectangular fire dampers EI120S

Fire dampers
Rectangular
EI120S
Motorized
EN1366-2
BELIMO 24V
LxH: 200x100 – 800x600

Datasheet Certificates / Fire certificates / Declaration of performance

Rectangular fire dampers with a fire resistance of 120 minutes. When the temperature in the damper rises above 70 °C the thermo-electrical link will break and the damper will close. When closed, the expanding material around the fireblade will swell and assure a fire and smoke-tight seal against hot air and smoke. The thin blade is made out of fire resistant calciumsilicate and ensures a relatively high net opening in the damper. The CU-LT+BFLT24 fire dampers are 24V Belimo actuator operated with indication of the blade position. The actuators are connected to a thermo-electrical fuse and equipped with begin-and end of range switch. The mechanism is easily removable for inspection or repair purposes.

For mounting in flexible wall, option +IFW is required. This is a mounting frame that is pre-mounted onto the damper, and ensures its good working when mounted in a flexible wall.

Application

Fire compartimentation
To close and seal off ventilation ducts in case of fire
Range from 200 to 800 mm in width and 100 to 600 mm in height

Material

Calciumsilicate blade
Steel tunnel

Construction

Composition

Steel housing
Calciumsilicate fireproof blade
Swelling seal around the blade
Pre-mounted Belimo BFLT24 actuator with thermal fuse (mounted at same side as the actuator when H>300mm; mounted at opposite side when H≤300mm and L<200mm or mounted underneath when H≤300mm and L>200mm)
Standard equipped with duct connection flages of 20mm
Please note the height of the mechanism at 100 mm heigt of the damper (see drawing)
1. Refractory casing made of galvanised steel
2. Damper blade
3. Operating mechanism
4. Cold sealing
5. Intumescent strip
6. Thermo-electric fuse
7. Connection frame PG20

Mounting

To be inserted in fire resistant walls or floors and to be fixed with fireproof mortar
To be connected with rectangular air ducts by flanges of 20 mm
Flanges have oval holes at the corners of 8,5 x 16 mm
to be mounted according to the delivered mounting instructions with the valve

Certification

Classified EI90(v_e,h_o i<->o)S at 300Pa according EN 13501-3 in ridid wall and rigid floor fixed with mortar
Classified EI120(v_e,h_o i<->o)S at 500Pa according EN 13501-3 in ridid wall and rigid floor fixed with plaster
Classified EI90(v_e i<->o)S at 300Pa according EN 13501-3 in flexible wall with IFW
Certified with test report Efectis 09-A-159 / EFR-19-005414 or WFRG 16129
Airtight EN 1751 class C
CE marked

Accessories

Build-in kit for flexible wall, type IFW

Other available products

For bigger sizes see CU2 + BFT24

Text for tender

The fire dampers shall be of the rectangular type with a fire resistance of 120 minutes, certified according to EN 13501-3. They will consist of a fireproof Steel tunnel and calciumsilicate valve. The control mechanism will be automatically operated by 24V actuator and shall have a blade position indicator and thermo-electrical link of 70 °C
CAIROX type CU-LT + BFLT24

Order example

CU-LT+IFW+BFLT24, 200, 100

Explanation

CU-LT = Rectangular fire damper

IFW = Mountingframe (only required when mounting in flexible wall)

BFLT24 = Mechanism

200 = Length damper

100 = Height damper

Quick selection

L	H	Ak	v				v				v				v				v				v
			3				4				5				6				7				8
			Q	Vk	Ps	Lw(A)	Q	Vk	Ps	Lw(A)	Q	Vk	Ps	Lw(A)	Q	Vk	Ps	Lw(A)	Q	Vk	Ps	Lw(A)	Q	Vk	Ps	Lw(A)
200	100	0.01	216	6.06	9	17	288	8.08	16	24	360	10.10	25	29	432	12.12	37	34	504	14.14	50	37	576	16.16	65	41
200	150	0.019	324	4.76	5	19	432	6.35	9	26	540	7.94	15	32	648	9.52	21	36	756	11.11	29	40	864	12.70	38	43
200	200	0.028	432	4.30	4	21	576	5.73	7	28	720	7.17	10	33	864	8.60	15	37	1008	10.04	20	41	1152	11.47	27	44
200	250	0.037	540	4.07	3	21	720	5.42	5	28	900	6.78	8	34	1080	8.13	12	38	1260	9.49	16	42	1440	10.84	21	45
200	300	0.046	648	3.92	2	22	864	5.23	4	29	1080	6.54	7	34	1296	7.84	10	39	1512	9.15	13	42	1728	10.46	17	46
200	350	0.055	756	3.83	2	22	1008	5.10	4	29	1260	6.38	6	35	1512	7.65	8	39	1764	8.93	11	43	2016	10.20	15	46
200	400	0.064	864	3.76	2	23	1152	5.01	3	30	1440	6.26	5	35	1728	7.51	7	40	2016	8.76	10	43	2304	10.02	13	46
200	450	0.073	972	3.70	2	23	1296	4.94	3	30	1620	6.17	5	35	1944	7.41	7	40	2268	8.64	9	44	2592	9.88	12	47
200	500	0.082	1080	3.66	2	23	1440	4.88	3	30	1800	6.11	4	36	2160	7.33	6	40	2520	8.55	9	44	2880	9.77	11	47
200	550	0.091	1188	3.63	1	23	1584	4.84	3	30	1980	6.05	4	36	2376	7.26	6	40	2772	8.47	8	44	3168	9.68	10	47
200	600	0.1	1296	3.60	1	24	1728	4.80	2	31	2160	6.01	4	36	2592	7.21	5	40	3024	8.41	7	44	3456	9.61	10	47
250	100	0.013	270	5.93	9	17	360	7.91	16	24	450	9.88	25	30	540	11.86	36	34	630	13.83	49	38	720	15.81	63	41
250	150	0.024	405	4.66	5	20	540	6.21	9	27	675	7.76	14	32	810	9.32	20	36	945	10.87	27	40	1080	12.42	36	43
250	200	0.036	540	4.21	3	21	720	5.61	6	28	900	7.01	9	33	1080	8.42	14	38	1260	9.82	19	41	1440	11.22	24	45
250	250	0.047	675	3.98	3	22	900	5.30	5	29	1125	6.63	7	34	1350	7.95	10	39	1575	9.28	14	42	1800	10.60	18	45
250	300	0.059	810	3.84	2	22	1080	5.12	4	29	1350	6.39	6	35	1620	7.67	8	39	1890	8.95	11	43	2160	10.23	15	46
250	350	0.07	945	3.74	2	23	1260	4.99	3	30	1575	6.24	5	35	1890	7.48	7	40	2205	8.73	10	43	2520	9.98	13	47
250	400	0.082	1080	3.67	2	23	1440	4.90	3	30	1800	6.12	4	36	2160	7.35	6	40	2520	8.57	9	44	2880	9.80	11	47
250	450	0.093	1215	3.62	1	24	1620	4.83	3	31	2025	6.04	4	36	2430	7.25	6	40	2835	8.45	8	44	3240	9.66	10	47
250	500	0.105	1350	3.58	1	24	1800	4.78	2	31	2250	5.97	4	36	2700	7.17	5	41	3150	8.36	7	44	3600	9.56	9	48
250	550	0.116	1485	3.55	1	24	1980	4.74	2	31	2475	5.92	3	36	2970	7.10	5	41	3465	8.29	6	45	3960	9.47	8	48
250	600	0.128	1620	3.53	1	24	2160	4.70	2	31	2700	5.88	3	37	3240	7.05	4	41	3780	8.23	6	45	4320	9.40	8	48
300	100	0.015	324	5.84	9	17	432	7.79	16	24	540	9.74	24	30	648	11.69	35	34	756	13.64	48	38	864	15.58	62	41
300	150	0.029	486	4.59	5	20	648	6.12	9	27	810	7.65	13	32	972	9.18	19	36	1134	10.71	26	40	1296	12.24	34	43
300	200	0.043	648	4.15	3	21	864	5.53	6	28	1080	6.91	9	33	1296	8.29	13	38	1512	9.68	18	42	1728	11.06	23	45
300	250	0.057	810	3.92	2	22	1080	5.23	4	29	1350	6.53	7	34	1620	7.84	10	39	1890	9.15	13	42	2160	10.45	17	46
300	300	0.071	972	3.78	2	23	1296	5.04	3	30	1620	6.30	5	35	1944	7.56	8	39	2268	8.82	10	43	2592	10.08	13	46
300	350	0.085	1134	3.69	2	23	1512	4.92	3	30	1890	6.15	5	36	2268	7.38	6	40	2646	8.61	9	44	3024	9.84	12	47
300	400	0.099	1296	3.62	1	24	1728	4.83	3	31	2160	6.04	4	36	2592	7.24	6	40	3024	8.45	8	44	3456	9.66	10	47
300	450	0.113	1458	3.57	1	24	1944	4.76	2	31	2430	5.95	3	36	2916	7.14	5	41	3402	8.33	7	44	3888	9.52	9	48
300	500	0.127	1620	3.53	1	24	2160	4.71	2	31	2700	5.89	3	37	3240	7.06	4	41	3780	8.24	6	45	4320	9.42	8	48
300	550	0.141	1782	3.50	1	25	2376	4.67	2	31	2970	5.83	3	37	3564	7	4	41	4158	8.17	6	45	4752	9.34	7	48
300	600	0.155	1944	3.47	1	25	2592	4.63	2	32	3240	5.79	3	37	3888	6.95	4	41	4536	8.11	5	45	5184	9.27	7	48
350	100	0.018	378	5.79	9	17	504	7.71	15	24	630	9.64	24	30	756	11.57	35	34	882	13.50	47	38	1008	15.43	61	41
350	150	0.035	567	4.55	5	20	756	6.06	8	27	945	7.58	13	32	1134	9.09	19	37	1323	10.61	26	40	1512	12.12	33	43
350	200	0.051	756	4.11	3	21	1008	5.47	5	28	1260	6.84	9	34	1512	8.21	12	38	1764	9.58	17	42	2016	10.95	22	45
350	250	0.068	945	3.88	2	22	1260	5.17	4	29	1575	6.47	6	35	1890	7.76	9	39	2205	9.05	12	43	2520	10.35	16	46
350	300	0.084	1134	3.74	2	23	1512	4.99	3	30	1890	6.24	5	35	2268	7.49	7	40	2646	8.73	10	43	3024	9.98	13	47
350	350	0.101	1323	3.65	1	23	1764	4.87	3	30	2205	6.09	4	36	2646	7.30	6	40	3087	8.52	8	44	3528	9.74	10	47
350	400	0.117	1512	3.59	1	24	2016	4.78	2	31	2520	5.98	3	36	3024	7.17	5	41	3528	8.37	7	44	4032	9.56	9	48
350	450	0.134	1701	3.54	1	24	2268	4.71	2	31	2835	5.89	3	37	3402	7.07	4	41	3969	8.25	6	45	4536	9.43	8	48
350	500	0.15	1890	3.50	1	25	2520	4.66	2	32	3150	5.83	3	37	3780	6.99	4	41	4410	8.16	5	45	5040	9.32	7	48
350	550	0.167	2079	3.47	1	25	2772	4.62	2	32	3465	5.78	2	37	4158	6.93	3	42	4851	8.09	5	45	5544	9.24	6	48
350	600	0.183	2268	3.44	1	25	3024	4.59	1	32	3780	5.73	2	37	4536	6.88	3	42	5292	8.03	4	45	6048	9.17	6	49
400	100	0.021	432	5.74	9	17	576	7.66	15	24	720	9.57	24	30	864	11.48	34	34	1008	13.40	47	38	1152	15.31	61	41
400	150	0.04	648	4.51	5	20	864	6.02	8	27	1080	7.52	13	32	1296	9.02	18	37	1512	10.53	25	40	1728	12.03	33	44
400	200	0.059	864	4.07	3	21	1152	5.43	5	28	1440	6.79	8	34	1728	8.15	12	38	2016	9.51	16	42	2304	10.87	21	45
400	250	0.078	1080	3.85	2	22	1440	5.13	4	29	1800	6.42	6	35	2160	7.70	9	39	2520	8.99	12	43	2880	10.27	15	46
400	300	0.097	1296	3.72	2	23	1728	4.95	3	30	2160	6.19	5	35	2592	7.43	7	40	3024	8.67	9	44	3456	9.91	12	47
400	350	0.116	1512	3.62	1	24	2016	4.83	2	31	2520	6.04	4	36	3024	7.25	5	40	3528	8.46	7	44	4032	9.66	10	47
400	400	0.135	1728	3.56	1	24	2304	4.74	2	31	2880	5.93	3	36	3456	7.12	5	41	4032	8.30	6	45	4608	9.49	8	48
400	450	0.154	1944	3.51	1	24	2592	4.68	2	31	3240	5.85	3	37	3888	7.02	4	41	4536	8.19	6	45	5184	9.36	7	48
400	500	0.173	2160	3.47	1	25	2880	4.63	2	32	3600	5.78	3	37	4320	6.94	4	42	5040	8.10	5	45	5760	9.25	7	48
400	550	0.192	2376	3.44	1	25	3168	4.59	1	32	3960	5.73	2	37	4752	6.88	3	42	5544	8.03	4	46	6336	9.17	6	49
400	600	0.211	2592	3.41	1	25	3456	4.55	1	32	4320	5.69	2	38	5184	6.83	3	42	6048	7.97	4	46	6912	9.10	5	49
450	100	0.024	486	5.71	9	17	648	7.61	15	24	810	9.51	24	30	972	11.42	34	34	1134	13.32	46	38	1296	15.22	61	41
450	150	0.045	729	4.49	4	20	972	5.98	8	27	1215	7.48	12	32	1458	8.97	18	37	1701	10.47	24	40	1944	11.96	32	44
450	200	0.067	972	4.05	3	21	1296	5.40	5	28	1620	6.75	8	34	1944	8.10	12	38	2268	9.45	16	42	2592	10.80	21	45
450	250	0.088	1215	3.83	2	22	1620	5.10	4	29	2025	6.38	6	35	2430	7.66	8	39	2835	8.93	11	43	3240	10.21	15	46
450	300	0.11	1458	3.69	2	23	1944	4.92	3	30	2430	6.16	5	36	2916	7.39	6	40	3402	8.62	9	44	3888	9.85	12	47
450	350	0.131	1701	3.60	1	24	2268	4.80	2	31	2835	6	4	36	3402	7.21	5	41	3969	8.41	7	44	4536	9.61	9	47
450	400	0.153	1944	3.54	1	24	2592	4.72	2	31	3240	5.90	3	37	3888	7.08	4	41	4536	8.25	6	45	5184	9.43	8	48
450	450	0.174	2187	3.49	1	25	2916	4.65	2	32	3645	5.81	3	37	4374	6.98	4	41	5103	8.14	5	45	5832	9.30	7	48
450	500	0.196	2430	3.45	1	25	3240	4.60	1	32	4050	5.75	2	37	4860	6.90	3	42	5670	8.05	4	45	6480	9.20	6	49
450	550	0.217	2673	3.42	1	25	3564	4.56	1	32	4455	5.70	2	38	5346	6.84	3	42	6237	7.98	4	46	7128	9.12	5	49
450	600	0.239	2916	3.39	1	26	3888	4.53	1	32	4860	5.66	2	38	5832	6.79	3	42	6804	7.92	4	46	7776	9.05	5	49
500	100	0.026	540	5.68	8	17	720	7.58	15	24	900	9.47	24	30	1080	11.36	34	34	1260	13.26	46	38	1440	15.15	60	41
500	150	0.05	810	4.46	4	20	1080	5.95	8	27	1350	7.44	12	32	1620	8.93	18	37	1890	10.42	24	40	2160	11.90	31	44
500	200	0.074	1080	4.03	3	22	1440	5.38	5	28	1800	6.72	8	34	2160	8.06	11	38	2520	9.41	15	42	2880	10.75	20	45
500	250	0.098	1350	3.81	2	23	1800	5.08	4	29	2250	6.35	6	35	2700	7.62	8	39	3150	8.89	11	43	3600	10.16	14	46
500	300	0.122	1620	3.68	2	23	2160	4.90	3	30	2700	6.13	4	36	3240	7.35	6	40	3780	8.58	9	44	4320	9.80	11	47
500	350	0.146	1890	3.59	1	24	2520	4.78	2	31	3150	5.98	3	36	3780	7.17	5	41	4410	8.37	7	44	5040	9.56	9	48
500	400	0.17	2160	3.52	1	24	2880	4.69	2	31	3600	5.87	3	37	4320	7.04	4	41	5040	8.22	6	45	5760	9.39	7	48
500	450	0.194	2430	3.47	1	25	3240	4.63	2	32	4050	5.79	2	37	4860	6.94	3	42	5670	8.10	5	45	6480	9.26	6	48
500	500	0.218	2700	3.43	1	25	3600	4.58	1	32	4500	5.72	2	37	5400	6.87	3	42	6300	8.01	4	46	7200	9.16	5	49
500	550	0.242	2970	3.40	1	25	3960	4.54	1	32	4950	5.67	2	38	5940	6.81	3	42	6930	7.94	4	46	7920	9.08	5	49
500	600	0.266	3240	3.38	1	26	4320	4.50	1	33	5400	5.63	2	38	6480	6.76	3	42	7560	7.88	4	46	8640	9.01	5	49
550	100	0.029	594	5.66	8	17	792	7.55	15	24	990	9.43	23	30	1188	11.32	34	34	1386	13.21	46	38	1584	15.09	60	41
550	150	0.056	891	4.45	4	20	1188	5.93	8	27	1485	7.41	12	32	1782	8.89	18	37	2079	10.38	24	41	2376	11.86	31	44
550	200	0.082	1188	4.02	3	22	1584	5.36	5	29	1980	6.70	8	34	2376	8.03	11	38	2772	9.37	15	42	3168	10.71	20	45
550	250	0.109	1485	3.80	2	23	1980	5.06	4	30	2475	6.33	6	35	2970	7.59	8	39	3465	8.86	11	43	3960	10.12	14	46
550	300	0.135	1782	3.66	2	23	2376	4.88	3	30	2970	6.10	4	36	3564	7.33	6	40	4158	8.55	8	44	4752	9.77	11	47
550	350	0.162	2079	3.57	1	24	2772	4.76	2	31	3465	5.95	3	36	4158	7.15	5	41	4851	8.34	6	44	5544	9.53	8	48
550	400	0.188	2376	3.51	1	25	3168	4.68	2	31	3960	5.85	3	37	4752	7.02	4	41	5544	8.18	5	45	6336	9.35	7	48
550	450	0.215	2673	3.46	1	25	3564	4.61	2	32	4455	5.77	2	37	5346	6.92	3	42	6237	8.07	5	45	7128	9.22	6	49
550	500	0.241	2970	3.42	1	25	3960	4.56	1	32	4950	5.70	2	38	5940	6.84	3	42	6930	7.98	4	46	7920	9.12	5	49
550	550	0.268	3267	3.39	1	26	4356	4.52	1	33	5445	5.65	2	38	6534	6.78	3	42	7623	7.91	4	46	8712	9.04	5	49
550	600	0.294	3564	3.37	1	26	4752	4.49	1	33	5940	5.61	2	38	7128	6.73	2	43	8316	7.85	3	46	9504	8.98	4	50
600	100	0.032	648	5.64	8	17	864	7.52	15	24	1080	9.40	23	30	1296	11.29	33	34	1512	13.17	46	38	1728	15.05	60	41
600	150	0.061	972	4.43	4	20	1296	5.91	8	27	1620	7.39	12	32	1944	8.87	17	37	2268	10.34	24	41	2592	11.82	31	44
600	200	0.09	1296	4	3	22	1728	5.34	5	29	2160	6.67	8	34	2592	8.01	11	38	3024	9.34	15	42	3456	10.68	20	45
600	250	0.119	1620	3.78	2	23	2160	5.05	3	30	2700	6.31	5	35	3240	7.57	8	39	3780	8.83	11	43	4320	10.09	14	46
600	300	0.148	1944	3.65	1	23	2592	4.87	3	30	3240	6.09	4	36	3888	7.30	6	40	4536	8.52	8	44	5184	9.74	10	47
600	350	0.177	2268	3.56	1	24	3024	4.75	2	31	3780	5.94	3	36	4536	7.12	5	41	5292	8.31	6	45	6048	9.50	8	48
600	400	0.206	2592	3.50	1	25	3456	4.66	2	32	4320	5.83	3	37	5184	6.99	4	41	6048	8.16	5	45	6912	9.32	7	48
600	450	0.235	2916	3.45	1	25	3888	4.60	1	32	4860	5.75	2	37	5832	6.90	3	42	6804	8.05	4	45	7776	9.20	6	49
600	500	0.264	3240	3.41	1	25	4320	4.55	1	32	5400	5.68	2	38	6480	6.82	3	42	7560	7.96	4	46	8640	9.09	5	49
600	550	0.293	3564	3.38	1	26	4752	4.51	1	33	5940	5.63	2	38	7128	6.76	3	42	8316	7.89	4	46	9504	9.01	5	49
600	600	0.322	3888	3.36	1	26	5184	4.47	1	33	6480	5.59	2	38	7776	6.71	2	43	9072	7.83	3	46	10368	8.95	4	50
650	100	0.035	702	5.63	8	17	936	7.50	15	24	1170	9.38	23	30	1404	11.26	33	34	1638	13.13	46	38	1872	15.01	60	41
650	150	0.066	1053	4.42	4	20	1404	5.90	8	27	1755	7.37	12	32	2106	8.84	17	37	2457	10.32	24	41	2808	11.79	31	44
650	200	0.098	1404	3.99	3	22	1872	5.33	5	29	2340	6.66	8	34	2808	7.99	11	38	3276	9.32	15	42	3744	10.65	19	45
650	250	0.129	1755	3.77	2	23	2340	5.03	3	30	2925	6.29	5	35	3510	7.55	8	39	4095	8.81	10	43	4680	10.07	13	46
650	300	0.161	2106	3.64	1	24	2808	4.86	3	30	3510	6.07	4	36	4212	7.28	6	40	4914	8.50	8	44	5616	9.71	10	47
650	350	0.192	2457	3.55	1	24	3276	4.74	2	31	4095	5.92	3	36	4914	7.10	5	41	5733	8.29	6	45	6552	9.47	8	48
650	400	0.224	2808	3.49	1	25	3744	4.65	2	32	4680	5.81	3	37	5616	6.98	4	41	6552	8.14	5	45	7488	9.30	7	48
650	450	0.255	3159	3.44	1	25	4212	4.59	1	32	5265	5.73	2	37	6318	6.88	3	42	7371	8.02	4	46	8424	9.17	6	49
650	500	0.287	3510	3.40	1	26	4680	4.54	1	32	5850	5.67	2	38	7020	6.80	3	42	8190	7.94	4	46	9360	9.07	5	49
650	550	0.318	3861	3.37	1	26	5148	4.49	1	33	6435	5.62	2	38	7722	6.74	2	43	9009	7.87	3	46	10296	8.99	4	49
650	600	0.35	4212	3.35	1	26	5616	4.46	1	33	7020	5.58	2	38	8424	6.69	2	43	9828	7.81	3	47	11232	8.92	4	50
700	100	0.037	756	5.61	8	17	1008	7.49	15	24	1260	9.36	23	30	1512	11.23	33	34	1764	13.10	45	38	2016	14.97	59	41
700	150	0.071	1134	4.41	4	20	1512	5.88	8	27	1890	7.35	12	32	2268	8.82	17	37	2646	10.29	23	41	3024	11.76	30	44
700	200	0.105	1512	3.98	3	22	2016	5.31	5	29	2520	6.64	7	34	3024	7.97	11	38	3528	9.30	14	42	4032	10.63	19	45
700	250	0.139	1890	3.77	2	23	2520	5.02	3	30	3150	6.28	5	35	3780	7.53	8	39	4410	8.79	10	43	5040	10.04	13	46
700	300	0.173	2268	3.63	1	24	3024	4.84	3	31	3780	6.06	4	36	4536	7.27	6	40	5292	8.48	8	44	6048	9.69	10	47
700	350	0.207	2646	3.54	1	24	3528	4.73	2	31	4410	5.91	3	37	5292	7.09	5	41	6174	8.27	6	45	7056	9.45	8	48
700	400	0.241	3024	3.48	1	25	4032	4.64	2	32	5040	5.80	3	37	6048	6.96	4	41	7056	8.12	5	45	8064	9.28	7	48
700	450	0.275	3402	3.43	1	25	4536	4.58	1	32	5670	5.72	2	38	6804	6.86	3	42	7938	8.01	4	46	9072	9.15	5	49
700	500	0.309	3780	3.39	1	26	5040	4.52	1	33	6300	5.66	2	38	7560	6.79	3	42	8820	7.92	4	46	10080	9.05	5	49
700	550	0.343	4158	3.36	1	26	5544	4.48	1	33	6930	5.61	2	38	8316	6.73	2	43	9702	7.85	3	46	11088	8.97	4	50
700	600	0.377	4536	3.34	1	26	6048	4.45	1	33	7560	5.56	2	39	9072	6.68	2	43	10584	7.79	3	47	12096	8.90	4	50
750	100	0.04	810	5.60	8	18	1080	7.47	15	24	1350	9.34	23	30	1620	11.21	33	34	1890	13.08	45	38	2160	14.94	59	41
750	150	0.077	1215	4.40	4	20	1620	5.87	8	27	2025	7.34	12	32	2430	8.81	17	37	2835	10.27	23	41	3240	11.74	30	44
750	200	0.113	1620	3.98	3	22	2160	5.30	5	29	2700	6.63	7	34	3240	7.95	11	38	3780	9.28	14	42	4320	10.61	19	45
750	250	0.15	2025	3.76	2	23	2700	5.01	3	30	3375	6.26	5	35	4050	7.52	7	40	4725	8.77	10	43	5400	10.02	13	46
750	300	0.186	2430	3.63	1	24	3240	4.83	3	31	4050	6.04	4	36	4860	7.25	6	40	5670	8.46	8	44	6480	9.67	10	47
750	350	0.223	2835	3.54	1	24	3780	4.72	2	31	4725	5.89	3	37	5670	7.07	4	41	6615	8.25	6	45	7560	9.43	8	48
750	400	0.259	3240	3.47	1	25	4320	4.63	2	32	5400	5.79	2	37	6480	6.95	3	42	7560	8.10	5	45	8640	9.26	6	48
750	450	0.296	3645	3.42	1	25	4860	4.57	1	32	6075	5.71	2	38	7290	6.85	3	42	8505	7.99	4	46	9720	9.13	5	49
750	500	0.332	4050	3.39	1	26	5400	4.52	1	33	6750	5.65	2	38	8100	6.77	3	42	9450	7.90	4	46	10800	9.03	5	49
750	550	0.369	4455	3.36	1	26	5940	4.48	1	33	7425	5.59	2	38	8910	6.71	2	43	10395	7.83	3	46	11880	8.95	4	50
750	600	0.405	4860	3.33	0	26	6480	4.44	1	33	8100	5.55	1	39	9720	6.66	2	43	11340	7.77	3	47	12960	8.89	3	50
800	100	0.043	864	5.59	8	18	1152	7.46	15	24	1440	9.32	23	30	1728	11.19	33	34	2016	13.05	45	38	2304	14.92	59	41
800	150	0.082	1296	4.40	4	20	1728	5.86	7	27	2160	7.33	12	33	2592	8.79	17	37	3024	10.26	23	41	3456	11.72	30	44
800	200	0.121	1728	3.97	3	22	2304	5.29	5	29	2880	6.62	7	34	3456	7.94	11	38	4032	9.26	14	42	4608	10.59	19	45
800	250	0.16	2160	3.75	2	23	2880	5	3	30	3600	6.25	5	35	4320	7.50	7	40	5040	8.76	10	43	5760	10.01	13	47
800	300	0.199	2592	3.62	1	24	3456	4.83	2	31	4320	6.03	4	36	5184	7.24	5	40	6048	8.45	7	44	6912	9.65	10	47
800	350	0.238	3024	3.53	1	24	4032	4.71	2	31	5040	5.88	3	37	6048	7.06	4	41	7056	8.24	6	45	8064	9.42	8	48
800	400	0.277	3456	3.47	1	25	4608	4.62	2	32	5760	5.78	2	37	6912	6.93	3	42	8064	8.09	5	45	9216	9.25	6	49
800	450	0.316	3888	3.42	1	25	5184	4.56	1	32	6480	5.70	2	38	7776	6.84	3	42	9072	7.98	4	46	10368	9.12	5	49
800	500	0.355	4320	3.38	1	26	5760	4.51	1	33	7200	5.64	2	38	8640	6.76	3	42	10080	7.89	4	46	11520	9.02	5	49
800	550	0.394	4752	3.35	1	26	6336	4.47	1	33	7920	5.59	2	38	9504	6.70	2	43	11088	7.82	3	47	12672	8.94	4	50
800	600	0.433	5184	3.33	0	26	6912	4.44	1	33	8640	5.54	1	39	10368	6.65	2	43	12096	7.76	3	47	13824	8.87	3	50

Symbols and specifications

Ak = Effective area in m²
v = Air velocity in the duct in m/s
Q = Air volume in m³/h
Vk = Effective velocity through the damper in m/s
Ps = Static pressure in Pa
Lw(A) = Acoustic power in dB(A)
LxH = Duct size in mm

Dimensions

	x	y
CU-LT + BFLT	=(H-6)/2-70	=(H-6)/2-230

Electrical connection

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	Introduction

A	Products for air diffusion

B	Valves & volume control dampers

C	Air duct systems

D	Air duct components and accessories

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	E01	Fire dampers

	E02	Fire resistant grilles

	E03	Fireproof air valves

	E04	Fireproof collars

	E05	Fireproof strips

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