Centrifugal Fan 8040

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Scroll Fan, Scroll Blower, Centrifugal Blower

Covered with PP materials, this type of centrigugal fan is well suited for 100-240V/50-60Hz kitchen ventilators, range hoods and more.

Major Features of Centrifugal Fan
1. Enameled copper wires contribute to stable properties, noiseless operation and long service life.
2. In this scroll fan, the useful blower guarantees low consumption and large airflow.
3. This type of scroll blower reaches international A-degree energy standards.
4. According to customer’s demands, the centrifugal fan can be matched with 80 and 91 series DC blushless capacitors. (Rated power: 50-400W, rated speed: 1200-1800rpm, air flow: 300-1000 m3/h)
5. Precise machines have been purchased to run series of tests on raw materials, including coordinate measuring instrument, image measuring device, flame retardant tester, etc.
6. High automation is realized by using many automatic processing machines, such as automatic inserting machine, automatic winder, welder, to name a few.
7. As for final inspection, dynamometer, noise testing chamber, air flow testing system, consistent temperature chamber, etc.

More Information about Centrifugal Fan
1. The forward curved centrifugal fan makes best use of high standard steel and good cast aluminum endplate, allowing for a firm and strong structure.
2. Produced from qualified stainless steel, the shaft is consistent to rust and possesses high strength.
3. Nylon 66 and AUPO or SET protector have been used for a high level of safety.
4. Noiseless operation is assured by porous bearing and well matched shaft.

Technical Parameters of Centrifugal Fan

Model	Voltage (VAC)	Frequency (Hz)	Air flow (m3/h)	Input current (A)	Input power (W)	Rated speed (rpm)	Rotation (CW/CCW)
YY8040	230	50	630	0.93	210	1300	CW/CCW

Airflow-Pressure and Efficiency Graph

Technical parameters
Room temperature (℃)		26.3		Atmospheric Pressure(Pa)		100830			Humidity (%)		67.8
No.	Airflow	Static pressure	Standard static pressure	Standard total pressure	Rotational speed	Dynamic efficiency of fluid	Power	Total pressure efficiency	Pressure difference	Energy efficiency	Nozzle
	m3/h	Pa	Pa	Pa	RPM	%	W	%	Pa	m3/min*W
1	0	479.7	496.96	496.96	2722	0	91.19	0	0	0	0
2	34.88	491.8	509.52	509.7	2757	5.44	90.74	5.44	1.62	0.01	30,606
3	67.96	482.4	499.8	500.49	2752	10.21	92.42	10.22	6.16	0.01	30,606
4	100.23	478.4	495.68	497.17	2738	14.85	92.9	14.9	13.34	0.02	30,606
5	132.79	474.8	491.92	494.54	2727	19.16	94.72	19.26	23.12	0.02	30,606
6	165.72	472.1	489.11	493.2	2697	22.42	100.43	22.61	35.88	0.03	30,606
7	201.25	463.9	480.64	486.67	2665	25.79	104.19	26.11	52.59	0.03	30,606
8	234.99	454.4	470.8	479.03	2648	28.48	107.89	28.98	71.39	0.04	30,606
9	267.47	443.5	459.52	470.17	2610	30.37	112.41	31.08	92.23	0.04	30,606
10	300.66	428.3	443.77	457.23	2574	31.65	117.1	32.61	115.72	0.04	30,606
11	332.68	412.8	427.69	444.17	2525	32.08	123.2	33.32	141.84	0.05	30,606
12	368.37	393.7	407.87	428.08	2471	31.71	131.6	33.29	173.16	0.05	30,606
13	401.26	372.4	385.86	409.83	2424	31.56	136.29	33.52	205.08	0.05	30,606
14	421.65	357.5	370.37	396.84	2381	31.34	138.41	33.58	226.45	0.05	30,606
15	468.77	319.6	331.16	363.88	2284	29.53	146.01	32.45	278.23	0.05	30,606
16	503.26	276.8	286.83	324.54	2161	26.54	151.09	30.03	320.02	0.06	30,606
17	536.54	235.3	243.74	286.61	2041	23.12	157.13	27.18	364.42	0.06	30,606
18	570.04	183.6	190.18	238.57	1883	18.33	164.31	22.99	411.07	0.06	30,606
19	603.29	113.7	117.84	172.04	1641	11.4	173.23	16.64	460.31	0.06	30,606
20	633.75	0	0	59.8	1198	0	185.58	5.67	505.13	0.06	30,606
Max. airflow (m3/h):				633.75	Max. static pressure (Pa):			496.96	Dynamic efficiency of fluid		32.08
Static pressure under standard airflow (7m3): (Pa)				371.62	Input power under standard airflow (7m3) (W):			138.24	Airflow at optimal efficiency (m3/h):		332.68
Total pressure efficiency under standard airflow (7m3): (η)				33.58	Rotational speed (RPM):			1198	Static pressure at optimal efficiency (Pa):		427.69
Static pressure of intersection under 5Pa (Pa):				48.28	Airflow of intersection under 5Pa (m3/h):			621.27	Power at optimal efficiency (W ):		123.2
Static pressure of intersection under 15 Pa (Pa):				133.35	Airflow of intersection under 15Pa (m3/h):			596.16	Power of illuminating system (W):		6
Static pressure of intersection under 30 Pa (Pa):				225.42	Airflow of intersection under 30 Pa (m3/h):			548	Energy efficiency		49.08

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