QDPF Square Inline Duct Fan Manufacturer

QDPF Square Inline Duct Fan

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The square inline duct fan is a high efficiency air moving unit applied for ventilation and the exhausting of smoke. It is suitable for installation in various places including large entertainment centers, underground parking lots, hospitals, offices, clean rooms, and many other environments.

Features

The square inline duct fan is equipped with an optimized volute and strengthened blades with optimized angles to maximize its airflow and pressure compared to equipment with the same power level.
Its impeller is made in the US. Its stamped reinforced sheet ensures better tightness and greatly reduces operating noise.
The whole square inline duct fan is connected by screw bolts which results in a solid structure and good-looking appearance. It is easy to dismount, assemble, transport, install, and use.

Structure Types

The square inline duct fan comes in various structures for you to choose from, including galvanized sheet ordinary type, cold plate with spray paint type, frame structure luxury type, stainless steel shell type, and ultra-quiet type.

Specifications

Model	Power(KW)	Current(A)	Speed (r/min)	Flow (m/s)	Airflow (㎡/h)	Pressure (Pa)	Noise Db(A)
Model	Power(KW)	Current(A)	Speed (r/min)	Flow (m/s)	Airflow (㎡/h)	Pressure (Pa)	Common	Mute
QD9''	0.55	1.5	840	8.1	1681-2355	147-106	≤56	≤42
QD9''	0.75	2	960	8.6	1822-2524	179-143	≤57	≤43
QD9''	1.1	2.7	1080	9.2	2040-2731	213-166	≤58	≤44
QD10''	0.75	2	840	9.5	2371-3210	162-116	≤57	≤43
QD10''	1.1	2.7	960	10.2	2618-3605	257-202	≤58	≤44
QD10''	1.5	3.7	1080	10.5	2870-4060	321-243	≤59	≤45
QD12''	1.1	2.7	900	10.6	4090-4960	249-182	≤62	≤46
QD12''	1.5	3.7	880	13.4	4951-5805	289-231	≤63	≤47
QD12''	2.2	5	940	13.8	5196-6033	334-261	≤64	≤48
QD15''	1.5	3.7	780	11.5	5222-7655	147-106	≤63	≤46
QD15''	2.2	5	830	13.4	7620-8611	179-143	≤64	≤48
QD15''	3	6.8	960	13.8	7821-8756	198-176	≤65	≤49
QD18''	3	6.8	720	14.2	8371-12790	374-328	≤68	≤51
QD18''	4	8.8	770	16.9	9215-14950	405-350	≤69	≤52
QD18''	5.5	11.6	860	17.6	10466-16230	435-386	≤70	≤53
QD20''	4	8.	720	15.3	14750-18140	475-431	≤74	≤60
QD20''	5.5	11.6	760	16.3	17093-20649	492-448	≤75	≤61
QD20''	7.5	15.4	810	18.1	16342-21060	534-481	≤76	≤62
QD22''	5.5	11.6	650	15.5	19620-23464	448-403	≤71	≤55
QD22''	7.5	15.4	720	17.7	22960-26952	583-524	≤72	≤56
QD22''	11	22.6	760	20.5	23740-28615	679-633	≤72	≤57
QD25''	7.5	15.4	650	15.9	26755-31125	617-576	≤73	≤56
QD25''	11	22.6	720	17.1	27236-33118	647-610	≤74	≤57
QD25''	15	30.3	790	18.8	30522-35430	705-671	≤75	≤58
QD27''	11	22.6	580	20.3	38760-44480	702-668	≤74	≤60
QD27''	15	30.3	620	21.8	39252-46830	732-692	≤75	≤61
QD27''	18.5	35.9	660	22.6	41875-48923	775-738	≤76	≤62
QD30''	11	22.6	520	17.0	41520-46100	686-648	≤78	≤61
QD30''	15	30.3	580	19.4	47322-52560	755-761	≤79	≤62
QD30''	18.5	35.9	620	20.0	49972-55350	862-817	≤80	≤63
QD30''X36''	15	30.3	480	15.3	44180-55610	678-588	≤83	≤69
QD30''X36''	18.5	35.9	500	17.2	47980-58660	687-597	≤84	≤70
QD30''X36''	22	42.5	550	18.5	49970-60680	702-626	≤85	≤71
QD36''X36''	18.5	35.9	480	15.5	47860-57620	768-680	≤87	≤70
QD36''X36''	22	42.5	500	17.1	53100-64740	776-690	≤88	≤72
QD36''X36''	30	56.8	550	18.5	61470-71250	816-735	≤89	≤73