4-68 Type A centrifugal blower

Schematic diagram

The main parameters

Number	rotate speed(r/min)	Equipped with motor(Kw-p)	flow rate(m³/h)	Full pressure(Pa)
2.8A	2900	1.1-2	1131-2262	971-657
	1450	0.55-4	660-1131	245-167
3.15A	2900	1.5-2	1825-3435	1246-853
	1450	0.55-4	912-1718	314-216
3.55A	2900	3.0-2	2708-5013	1608-1108
	1450	0.55-4	1354-2507	402-275
4A	2900	4.0-2	3984-7281	2069-1432
	1450	0.75-4	1992-3641	520-353
4.5A	2900	7.5-2	5790-10485	2658-1834
	1450	1.1-4	2895-5242	667-461
5A	2900	2-15	8050-14490	3315-2305
	1450	2.2-4	4025-7245	824-579
6.3C	2240	2-22	12852-22803	3159-2197
	1800	11-2	10328-18324	2040-1422
	1400	5.5-2	8032-14251	1236-863
	1000	2.2-4	5737-10179	628-441
	800	1.1-4	4590-8144	402-284
6.3D	1450	5.5-4	8320-14761	1324-922
	960	2.2-6	5508-9773	579-402
8C	1800	37-2	21830-38202	3315-2315
	1400	18.5-4	16979-29713	2010-1402
	1120	11-4	13583-23770	1285-892
	1000	7.5-4	12128-21224	1020-716
	800	4.0-4	9720-16979	657-461
8D	1450	18.5-4	17585-30774	2185-1501
	960	5.5-6	11643-20375	942-657
	730	3.0-8	8853-15403	549-383
10C	1250	37-4	30534-52740	2560-1795
	1000	4-22	24427-43000	1640-1100
	800	11-4	19600-33800	1050-730
	630	5.5-4	15400-26600	640-460

Number	C	D	E	F	1	2	K	G	H
2.8A	160	210	220	270	280	340	215	220	246
3.15A	180	235	240	295	315	375	240	240	260
3.55A	205	260	265	320	355	415	290	260	330
4A	230	295	290	355	400	460	304	290	370
4.5A	258	330	318	390	450	510	340	330	410
5A	286	365	340	425	500	560	380	350	480