CQ Series Marine Or Navy Centrifugal Fans

1. General

CQ series marine or navy centrifugal fan is capable of blowing air, ocean air containing salt spray, and corrosive air which contains oil vapor and a small quantity of acid steam generated by the natural evaporation of the batteries. So it can be useful for ventilation of various machinery room and each compartment of boats and ships as well as other likes places.
The ventilator is designed and manufactured according to GB11865《Marine centrifugal fan》 and the Rules and Regulations for the Construction and Classification of Sea-going Steelships approved by the Register of People’s Republic of China.

2. Characteristics

Small in size and light in weight. Low noise and low vibration. Good anticorrosion. Good airtightness. Small starting torque. Strong resistance against swing, vibration and impact.

3. Structure type

The ventilator is designed and manufactured into a horizontal, Structure type or a vertical one, which the vane wheel is mounted directly on the motor shaft extension.
The vane wheel, being riveting structure is made of aluminum alloy and carefully balanced in static and dynamic ways.
Both the machine casing and the inlet are made of welded common steel.
The ventilator can be made for left or right rotation:
Left rotation — viewed from the motor side, it “L” indicates.
Right rotation — viewed from the motor side, the vane wheel rotates clockwise and is indicated as “R”.
The ventilator can be matched with marine AC motor of 380V, 50Hz, or Marine DC motor of 220V.

Performance Parameters

Type	Flow rate m³/h	Total pressure Pa	Total efficiency %	Shaft power kW	Speed r/min	Motor Type	Motor Power Kw
CQ2-J	500	590	54	0.15	2900	A06312	0.37
CQ3-J	800	590	55	0.24	2900	A06312	0.37
CQ4-J	1800	590	56	0.53	2900	Y801-2H	0.75
CQ5-J	2500	590	65	0.63	1450	Y90S-4H	1.1
CQ6-J	3500	590	60	0.96	1450	Y90L-4H	1.5
CQ7-J	6000	590	60	1.64	1450	Y100L-4H	2.2
CQ8-J	8000	590	62	2.18	960	Y132S-6H	3.0
CQ9-J	10000	590	62	2.65	960	Y132M-6H	4
CQ10-J	900	1180	64	0.54	2900	Y801-2H	0.75
CQ11-J	1500	1180	65	0.76	2900	Y802-2H	1.1
CQ12-J	2200	1180	70	0.96	2900	Y90S-2H	1.5
CQ13-J	2800	1180	60	1.53	2900	Y90L-2H	2.2
CQ14-J	5000	1180	60	2.72	1450	Y112M-4H	4
CQ15-J	7500	1180	65	3.78	1450	Y132S-4H	5.5
CQ16-J	9000	1180	65	4.60	1450	Y132S-4H	5.5
CQ17-J	12000	1180	65	6.04	1450	Y132M-4H	7.5
CQ18-J	600	1960	60	0.55	2900	Y801-2H	0.75
CQ19-J	1000	1960	64	1.82	2900	Y90L-2H	2.2
CQ20-J	3500	1960	60	3.18	2900	Y132S-2H	4
CQ21-J	5000	1960	60	4.52	2900	Y132S-2H	5.5
CQ22-J	9000	1960	70	7.00	1450	Y160L-4H	11
CQ23-J	800	4410	62	1.58	2900	Y90L-2H	2.2
CQ24-J	1000	1960	65	0.85	2900	Y802-2H	1.1
CQ25-J	12000	2450	61	13.4	2900	Y160-2H	18.5

Outline Dimensions Table

Type	D1	D2	B1	B2	B3	B4	A1	A2	L1	L2	L3	B5	C1	C2	H	L	d	n×Φ
CQ2-J	157	190	183	130	90	144	294	126	101	90	104	120	80	100	322	63	394	8	28
CQ3-J	157	190	183	130	90	144	294	126	101	90	104	120	80	100	322	63	394	8	27
CQ4-J	205	268	238	185	125	181	379	172	153	120	105	130	160	100	125	445	80	420	10	35
CQ5-J	215	270	283	230	160	216	467	209	180	145	121	130	180	100	140	545	90	471	10	37
CQ6-J	280	340	313	260	180	236	521	225	210	155	150	155	180	125	140	616	90	535	10	44
CQ7-J	322	380	378	325	215	271	638	270	271	179	147	180	205	140	160	700	100	583	12	58
CQ8-J	400	455	434	380	255	311	755	320	315	225	178	210	230	140	216	895	132	712	12	91
CQ9-J	430	475	474	420	270	328	835	360	357	234	175	240	278	160	216	955	132	756	12	132
CQ10-J	190	205	218	165	78	134	401	200	134	97	86	130	160	100	125	426	80	370	10	26
CQ11-J	190	236	218	165	115	171	414	156	142	115	97	130	160	100	125	426	80	410	10	26
CQ12-J	190	258	218	165	115	171	414	156	142	125	89	130	160	100	125	426	80	435	10	38
CQ13-J	210	265	243	190	155	191	495	175	155	137	115	155	160	125	140	464	90	437	10	37
CQ14-J	330	405	365	285	200	266	675	292	276	194	153	215	240	140	170	778	112	619	12	99
CQ15-J	430	479	394	340	240	316	718	319	327	228	182	210	340	140	216	903	132	717	12	118
CQ16-J	380	465	434	380	255	311	755	320	315	225	190	210	340	140	216	895	132	712	12	113
CQ17-J	390	465	474	420	270	328	837	360	322	234	175	245	340	180	216	953	132	756	12	150
CQ18-J	162	205	203	150	74	130	393	195	140	95	70	130	160	100	125	426	80	360	10	26
CQ19-J	184	263	210	160	156	194	420	180	115	140	155	180	120	140	455	90	484	10	45
CQ20-J	240	294	273	220	150	206	442	198	176	154	185	245	140	190	519	112	539	12	66
CQ21-J	240	294	313	260	180	236	472	210	190	158	125	210	180	140	214	543	132	621	12	118
CQ22-J	430	475	434	380	230	288	825	360	367	233	176	220	250	180	216	955	140	781	12	175
CQ23-J	140	190	118	65	95	151	360	275	257	112	94	153	180	125	140	396	90	436	10	65
CQ24-J	150	206	203	150	85	141	400	193	140	92	100	130	160	100	125	426	80	380	10	35

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