WS-85-6 Centrifugal Fiberglass Roof Fan

Corrosion‑resistant & Weatherproof：The impeller, casing and mushroom‑shaped wind hood are made of fiberglass‑reinforced plastic (FRP), and motors & metal components are anti‑corrosion treated, enabling resistance to rain, snow and humid air.
High‑efficiency & Stable Performance：Precision‑designed impellers with fine machining are dynamically balanced; patented support structures serve as rear flow guides to reduce airflow rotation and improve fan efficiency.
Good Thermal Insulation & Nice Appearance：Inlet dampers reduce indoor heat loss in winter; streamlined casing and wind hood with resin coating provide smooth surface, uniform color and elegant look.

The WS-85-6 Centrifugal Fiberglass Roof Fan boasts an attractive look, compact structure, high strength, corrosion resistance, light weight and low noise. Made of high‑quality fiberglass‑reinforced plastic, it can convey corrosive gas and is widely applied to ventilation of factories, laboratories, office buildings and other sites, matched with a three‑phase motor. Designed for outdoor environments, its impeller, casing and wind hood are FRP‑made, with motors and metal parts treated for corrosion resistance against rain, snow and damp air. The inlet damper reduces indoor heat loss in winter. Precisely‑processed and dynamically‑balanced impellers ensure stable operation, while the patented support structure guides airflow to improve efficiency. Streamlined casing and wind hood with resin‑coated surface feature smooth texture, uniform color and elegant appearance.

Performance Parameter Table

The WS‑85‑6 series FRP centrifugal roof fan covers multiple models from 3.6 to 5.3, with two rotating speeds of 960 r/min and 1450 r/min. It offers a wide air volume range of 960–12000 m³/h and static pressure of 100–564 Pa, with matched power from 0.55 kW to 2.2 kW and noise controlled below 86 dB(A). Featuring stable performance, low noise and high efficiency, this corrosion‑resistant fan is suitable for ventilation and exhaust in factories, laboratories, office buildings and other industrial and commercial places with corrosive gas.

Model No.	Rotating Speed(r/min)	Working Condition	Air Volume(m鲁/h)	Static Pressure(Pa)	Power(kW)	Noise(dB(A))
3.6	1450	1	1400	210	0.55	56
		2	1680	196		56
		3	1990	188		57
		4	2200	168		57
		5	2600	145		57
	960	1	960	155	0.55	53
		2	1090	139		53
		3	1230	121		54
		4	1520	109		54
		5	1700	100		54
4.6	1450	1	4400	415	1.5	85
		2	5270	407		85
		3	5960	398		85
		4	6490	390		85
		5	7000	365		86
	960	1	2900	288	1.1	80
		2	3480	288		80
		3	3920	285		81
		4	4260	245		81
		5	4800	210		59
4	1450	1	2200	285	0.75	58
		2	2520	273		58
		3	2870	251		59
		4	3160	234		59
		5	3500	210		59
	960	1	1450	215	0.55	55
		2	1670	196		55
		3	1980	182		56
		4	2170	160		56
		5	2350	145		56
4.3	1450	1	3200	395	1.1	61
		2	3640	378		61
		3	4080	356		62
		4	4520	334		62
		5	5000	315		62
	960	1	2100	285	0.75	58
		2	2430	268		58
		3	2840	249		58
		4	3220	224		59
		5	3600	210		61
4.9	1450	1	5900	495	2.2	75
		2	6600	480		75
		3	7490	466		75
		4	8600	448		76
		5	9500	420		76
	960	1	3900	355	1.1	62
		2	4480	338		62
		3	5120	324		62
		4	5950	310		63
		5	6100	285		63

WS-85-6 Centrifugal Fiberglass Roof Fan

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