• Durability: Vinylester resin, UV protection, extended service life.
• Customizable: Computer strain analysis, G2.5 balance, low vibration risk.
• Easy Maintenance: Oil bath bearings, heat/corrosion resistant, cost-effective.
• Professional Team: Expert wind turbine guidance.
• High aerodynamic efficiency, low noise, corrosion resistance.
• Medium temp range: -20℃ to 80℃, ≤ humidity, ≤ 100mg/m3 dust content.
• Durable Fiberglass Build: Ensures long-lasting performance.
• Ethylene-based fiberglass blades optimize airflow.

4-70 Centrifugal Fan Product Description

The 4-70 Centrifugal Fan, a versatile and efficient ventilation solution, is designed for indoor use in general factories and large buildings. Available in 13 models, this fan is perfect for both air intake and exhaust applications, ensuring a constant and clean airflow. It is engineered to handle air and other non-flammable, non-explosive, and non-corrosive gases, making it suitable for various industrial environments.

Key Features:

Versatility: The 4-70 Centrifugal Fan supports both right-handed (clockwise) and left-handed (counterclockwise) impeller rotations, ensuring flexibility in installation and operation.
Performance: Capable of operating with gas temperatures up to 80℃, this fan ensures efficient ventilation while maintaining safety and reliability.
Durability: Constructed to handle gases containing dust and hard particles up to 150mg/m³ without affecting performance, the fan is built to withstand challenging industrial conditions.
Configuration: The outlet position is defined by the casing's outlet angle, allowing customization to meet specific ventilation requirements.

Applications:

The 4-70 Centrifugal Fan is ideal for general ventilation in industrial settings, including factories, warehouses, and large commercial buildings. It is designed to provide optimal air circulation, reducing the risk of airborne contaminants and maintaining a comfortable working environment.

Choose the 4-70 Centrifugal Fan for a reliable and efficient solution to your industrial ventilation needs. With its robust construction and versatile application, it is an essential addition to any large-scale ventilation system.

4-70Performance and optional parts of centrifugal fans
No.	Rotational Speed/(r/min)	Pressure /Pa	Air Flow /(m³/h)	Moter
				Model No.	power/kW
2.8A	2900	970 940 910 860 800 730 670 600	1330 1470 1650 1810 1970 2130 2290 2450	Y802-2	1.1
3A	2900	607 836 904 1047 1100 1161 1181 1209	3133 2823 2648 2314 2197 1990 1859 1715	Y802-2	1.1
	1450	152 209 235 262 275 290 295 302	1567 1412 1324 1157 1098 995 930 857	Y802-4	0.7
3.2A	2900	1270 1230 1190 1120 1040 990 880 800	1975 2210 2450 2670 2930 3155 3400 3640	Y90S-2	1.5
	1450	320 310 300 270 260 240 220 200	991 1120 1253 1385 5115 1646 1778 1829	Y90S-4	1.1
3.5A	2900	827 1138 1280 1425 1497 1581 1608 1640	4975 4454 4025 3674 3489 3162 2653 2723	Y90L-2	2.2
	1450	207 284 320 356 374 395 402 411	2488 2242 2102 1837 1744 1580 1476 1362	Y90S-4	1.1
3.6A	2900	1650 1620 1570 1500 1410 1320 1200 1090	2930 3284 3638 3992 4346 4700 5054 5408	Y100L-2	3
	1450	410 400 390 380 360 330 300 280	1470 1640 1820 1990 2170 2350 2530 2710	Y90S-4	1.1
4A	2900	1080 1456 1672 1861 1955 2064 2100 2150	7427 6693 6276 5485 5207 4718 4407 4065	Y132S-2	5.5
	1450	270 372 418 465 489 516 525 537	3714 3346 3138 2742 2604 2359 2204 2032	Y90S-4	1.1
4.5A	2900	1366 1881 2116 2355 2474 2613 2658 2721	10575 9529 8936 7810 7415 6718 6275 5788	Y132S2-2	7.5
	1450	342 470 529 589 619 653 665 680	5288 4765 4468 3905 3707 3359 3138 3894	Y90S-4	1.1
5A	2900	1687 2322 2612 2908 3054 3226 3282 3359	14506 13072 12258 10173 10171 9215 8608 7939	Y160M1-2	11
	1450	422 581 653 727 756 806 820 840	7253 6536 6129 5353 5085 4608 4304 3970	Y100L1-4	2.2
6A	2900	607 836 941 1046 1091 1160 1181 1209	12533 11294 10591 9256 8788 7962 7437 6859	Y112Y-4	4
	960	266 366 412 459 482 501 517 530	3298 7477 7012 6128 5818 5271 4924 4541	Y100L-6	1.5

4-70 No.7C-No.12C Performance and optional parts of centrifugal fans
Machine number No.	Rotational Speed/(r/min)	Pressure /Pa	Air Flow /(m³/h)	Moter
				Model No.	power/kW
8C	1800	1664 2290 2577 2868 3012 3181 3237 3313	36880 33233 31164 27236 25858 23428 21884 20184	Y200L-4	30
	1600	1314 1810 2036 2266 2380 2514 2557 2618	32782 29540 27702 24209 22945 20825 19453 17941	Y108L-4	22
	1250	802 1105 1243 1383 1453 1534 1561 1598	25611 23078 21642 18914 17957 16270 15198 14016	Y132M-4	11
	1120	664 887 997 1110 1166 1232 1252 1283	22948 20678 19391 16947 16089 14578 13617 12559	Y132M-4	7.5
	1000	513 707 795 885 930 982 999 1023	20489 18463 17314 15131 14365 13016 12158 11213	Y132S-4	5.5
	900	416 573 644 717 753 795 809 828	18440 16616 15582 13618 12929 11714 10942 10092	Y112M-4	4
	800	329 452 509 566 595 628 639 654	16391 14770 13851 12105 11492 10413 9762 8971	Y100L2-4	3
	710	259 356 401 446 569 495 504 515	14547 13108 12293 10743 10199 9241 8632 7961	Y100L1-4	2.2
	630	204 281 316 351 369 390 396 406	12908 11631 10908 9532 9050 8200 7660 7024	Y100L-6	1.5
10C	1300	1356 1867 2100 2337 2445 2503 2638 2700	52023 46878 43960 38418 36475 33048 30870 31323	Y225S-4	37
	1170	1098 1512 1701 1893 1989 2100 2137 2187	46820 42190 39564 39576 32827 29743 27783 25624	Y200L-4	30
	1040	868 1195 1344 1496 1591 1659 1688 1728	41618 37502 35168 30735 29180 26438 24696 22777	Y180L-4	18.5
	940	709 976 1098 1222 1284 1356 1379 1412	37616 33896 31787 27779 26374 23896 22321 20586	Y160L-4	7.5
	830	553 761 856 953 1001 1057 1075 1101	33214 29930 28067 24529 23288 21100 19709 18178	Y160M-4	11
	742	439 605 608 757 796 840 855 875	29613 26684 25024 21868 20763 18812 17572 16207	Y132M-4	75
	660	349 481 541 602 633 668 680 696	26411 23799 22318 19505 18518 16778 15672 14452	Y132M2-6	5.5
	580	270 372 418 405 480 516 525 537	23210 20914 19613 17140 16273 14744 13772 12702	Y132M1-6	4
	520	217 299 356 374 393 415 422 432	20809 18751 17584 15367 14590 13219 12348 11388	Y132S-6	3

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