QP • In-Line Centrifugal Single Duct Fan

Internal mounting only
Centrifugal
Insulation class B
Impellers

Datasheet

Centrifugal Single Duct Fan

Brand

Vent-Axia

Application

The Quiet Pack in-line acoustic fans shall be as supplied from Roof Units, designed around a high performance centrifugal impeller, offering a highly efficient, quiet and compact in-line acoustic fan.

Composition

The Quiet Pack fan range is manufactured from prime quality galvanised sheet steel, ensuring a robust in-line fan for those tough site conditions.

Fan

The motor and backward curved impeller shall be factory matched, statically and dynamically balanced on precision machines, to DIN ISO 1940 Grade 6.3, to give quiet, vibration free running.

Motor

Motor insulation Class B, suitable for operating temperatures from -15°C to +40°C and atmospheres up to 95% RH. All sizes are ideally suitable for speed control by electronic or voltage reduction. Vent-Axia would recommend that a voltage reduction Auto Transformer speed controller is used with all Quiet Pack units to ensure minimum noise levels during speed control and to eliminate any possibility of harmonic noise levels which may occur when using electronic speed controllers at lower speeds.

Order Example

QP 100 C

Explanation

QP - Fan type

100 = Diameter of fan

C = Generation of fan

Air Performance Data

Air Performance Guide
				m3/sec @ pa
Dia.	Motor Phase	Stock Ref	r.p.m	0	100	200	300	400	Motor kW	S.C. Amps	F.L.C Amps	dBA @ 3m
100	1	QP100C	2350	0.06	0.05	0.04	0.03		0.05	0.37	0.23	32
125	1	QP125C	2350	0.07	0.05	0.04	0.02		0.05	0.37	0.23	33
150	1	QP150C	2350	0.12	0.08	0.05	0.03		0.05	0.37	0.23	33
150	1	QP160C	2350	0.12	0.08	0.05	0.03		0.05	0.37	0.23	33
200	1	QP200C	2700	0.24	0.19	0.14	0.09		0.09	0.85	0.38	36
250	1	QP250C	2500	0.32	0.27	0.23	0.18	0.13	0.16	1.25	0.68	36
315	1	QP315C	1330	0.81	0.68	0.46	0.29		0.27	2.2	1.18	38
400	1	QP400C	1340	1.05	0.94	0.79	0.53	0.32	0.47	5.9	2.33	39
500	1	QP500C	1330	1.52	1.33	1.1	0.88	0.66	0.73	6.27	3.21	47

Technical Data

Sound Power Level Spectra dB (ref 10-12 Watts)
Dia.	Motor Phase	Stock Ref	Spectrum	63	125	250	500	1k	2k	4k	8k	dB(A) @ 3m
100	1	QP100C	Inlet	53	59	68	58	50	45	34	33	41
100	1		Outlet	54	57	63	59	60	54	49	42	43
100	1		Breakout	48	52	59	49	41	39	31	32	32
125	1	QP125C	Inlet	51	65	73	62	51	46	36	36	45
125	1		Outlet	52	62	67	64	62	55	52	45	46
125	1		Breakout	51	53	60	49	41	40	33	33	33
150	1	QP150C	Inlet	54	60	70	59	52	46	38	36	42
150	1		Outlet	56	58	63	58	59	56	49	43	43
150	1		Breakout	50	55	60	50	43	38	31	32	33
200	1	QP200C	Inlet	60	65	63	68	58	55	54	46	46
200	1		Outlet	60	63	68	72	68	67	62	53	53
200	1		Breakout	54	58	60	57	46	41	35	34	36
250	1	QP250C	Inlet	64	74	72	67	57	55	56	53	48
250	1		Outlet	64	74	75	69	70	71	65	64	56
250	1		Breakout	p	57	68	52	44	40	36	38	39
315	1	QP315C	Inlet	66	78	68	60	52	49	42	40	45
315	1		Outlet	67	75	77	71	69	62	56	49	53
315	1		Breakout	54	70	63	53	47	41	35	34	38
400	1	QP400C	Inlet	73	82	79	68	62	55	50	49	52
400	1		Outlet	72	78	78	75	74	66	58	53	57
400	1		Breakout	57	71	63	56	51	46	39	35	39
500	1	QP500C	Inlet	77	85	78	71	64	62	54	52	54
500	1		Outlet	74	83	82	78	77	72	64	58	61
500	1		Breakout	68	81	72	63	56	49	42	41	48

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