HTFC Square ​Inline Duct Blower

position of the inlet and outlet

The square inline duct blower is a centrifugal cabinet fan that operates with high efficiency and minimal noise. Its inlet and outlet ducts can be manufactured in 16 different positions and angle to meet your requirements. Square inline duct blowers are particularly suited for environments with low noise and high air volume movement requirements. They are widely applied for ventilation and smoke exhaust systems in various places including hotels, factories, mines, tunnels, office buildings, and much more.

Features The square inline duct blowers are made up of a cabinet, frame, and plate. The plate is multiple layers with an interlayer of superfine glass fiber to prevent condensation buildup in humid environments. This also minimizes vibration and noise. Equipped with a high quality 4-pole medium speed motor. Different motors can be applied according to your requirements. This series of square inline duct blower comes in three structural options for you to choose from. The A type is designed with an external motor. B type duct blowers have a built-in motor. And C type blowers are designed with a lateral motor or rear motor. Its impeller provides high efficiency, low noise, high airflow, and smooth running which results in high-quality performance with a long service life. Operating Conditions When the blower is applied for air exhaust, the air should be non-corrosive, free from sticky substances, and the dust and solid particulate matter concentration should not exceed 150mg/m². The built-in motor blowers are suitable for universal ventilation. Blowers with external motors are designed for both universal ventilation and smoke exhaust in case of fire. It can run in environments up to 280℃ for more than 30 minutes. These blowers can be specially designed as explosion proof blowers or flame-retardant blowers if you need to use them in flammable and explosive environments. Dimensions Specifications of HTFC 9 Series Duct Blower

No.	Speed(rpm)	Operating Point	Airflow (m3/h)	Pressure(pa)	Motor Power(Kw)	Noise dB(A)	Weight (kg)
1	900	1	2581	214	0.55	＜58	50
		2	2683	219
		3	2948	222
		4	3244	219
		5	3703	214
2	1000	1	2540	260	0.75	＜62	52
		2	2958	273
		3	3386	275
		4	3805	260
		5	4233	255
3	1100	1	2876	316	1.1	＜63	55
		2	3346	321
		3	3815	324
		4	4284	326
		5	4753	306
4	1200	1	3126	367	1.5	＜66	58
		2	3590	377
		3	4080	388
		4	4544	388
		5	5049	372

Specifications of HTFC 10 Series Duct Blower

No.	Speed(rpm)	Operating Point	Airflow (m3/h))	Pressure(pa)	Motor Power(Kw)	Noise dB(A)	Weight (kg)
1	800	1	2484	212	0.55		72
		2	2785	209
		3	3091	206
		4	3397	204
		5	3703	199
2	900	1	2718	270	0.75		74
		2	3116	265
		3	3443	264
		4	3794	260
		5	4113	255
3	1000	1	3040	332	1.1		80
		2	3417	328
		3	3774	324
		4	4146	316
		5	4692	300
4	1100	1	3437	393	1.5		83
		2	3949	404
		3	4366	405
		4	4894	393
		5	5286	384
5	1200	1	3582	454	2.3		87
		2	4116	458
		3	4745	452
		4	5297	434
		5	5877	431

Specifications of HTFC 12 Series Duct Blower

No.	Speed(rpm)	Operating Point	Airflow (m3/h)	Pressure(pa)	Motor Power(Kw)	Noise dB(A)	Weight (kg)
1	700	1	3599	243	0.75		110
		2	4138	247
		3	4654	248
		4	5182	246
		5	5710	247
2	800	1	4102	308	1.1		114
		2	4665	310
		3	5229	318
		4	5792	310
		5	6355	311
3	900	1	4877	390	1.5		117
		2	5452	394
		3	6026	394
		4	6601	388
		5	7176	386
4	1000	1	5123	473	2.2		128
		2	5827	479
		3	6531	478
		4	7235	475
		5	7939	477
5	1100	1	5674	572	3		137
		2	6461	577
		3	7246	578
		4	8033	583
		5	8818	571

Specifications of HTFC 15 Series Duct Blower

No.	Speed(rpm)	Operating Point	Airflow (m3/h)	Pressure(pa)	Motor Power(Kw)	Noise dB(A)	Weight (kg)
1	700	1	6179	353	1.5		171
		2	7058	361
		3	7939	364
		4	8818	359
		5	9698	362
2	800	1	6953	457	2.2		178
		2	7997	469
		3	9088	471
		4	10179	479
		5	11164	463
3	850	1	7293	510	3		183
		2	8408	525
		3	9522	531
		4	10637	532
		5	11810	518
4	900	1	7645	569	4		190
		2	8818	580
		3	9991	589
		4	11164	594
		5	12337	595
5	1000	1	8466	701	5.5		198
		2	9909	694
		3	11364	722
		4	12701	734
		5	14156	722

Specifications of HTFC 18 Series Duct Blower

No.	Speed(rpm)	Operating Point	Airflow(m3/h)	Pressure(pa)	Motor Power(Kw)	Noise dB(A)	Weight (kg)
1	600	1	8288	352	2.2		248
		2	9475	357
		3	10718	356
		4	11821	354
		5	12959	350
2	700	1	9170	463	3		250
		2	10695	468
		3	12220	470
		4	13745	474
		5	15329	473
3	750	1	10319	532	4		265
		2	11821	539
		3	13322	532
		4	14857	542
		5	16325	541
4	800	1	11176	601	5.5		280
		2	12771	607
		3	14367	607
		4	15962	614
		5	17557	617
5	900	1	12208	753	7.5		315
		2	14015	760
		3	15821	765
		4	17628	768
		5	19434	763

Specifications of HTFC 20 Series Duct Blower

No.	Speed(rpm)	Operating Point	Airflow (m3/h)	Pressure(pa)	Motor Power(Kw)	Noise dB(A)	Weight (kg)
1	550	1	10660	378	3		310
		2	12032	377
		3	13405	367
		4	14777	356
		5	16150	329
2	600	1	11739	449	4		328
		2	13194	445
		3	14648	435
		4	16103	421
		5	17557	390
3	650	1	12607	522	5.5		340
		2	14226	514
		3	15845	499
		4	17361	496
		5	19084	457
4	700	1	13533	606	7.5		371
		2	15269	600
		3	16994	585
		4	18730	562
		5	20454	529
5	800	1	15399	778	11		400
		2	17581	771
		3	19750	759
		4	21932	708
		5	24114	684

Specifications of HTFC 22 Series Duct Blower

No.	Speed(rpm)	Operating Point	Airflow (m3/h)	Pressure(pa)	Motor Power(Kw)	Noise dB(A)	Weight (kg)
1	550	1	13311	402	4		380
		2	15047	401
		3	16783	387
		4	18519	374
		5	20255	362
2	600	1	14964	476	5.5		397
		2	16947	470
		3	18929	447
		4	20912	440
		5	22894	405
3	650	1	16009	552	7.5		410
		2	17944	542
		3	19891	524
		4	21827	503
		5	23774	482
4	700	1	17205	645	11		430
		2	19340	631
		3	21486	618
		4	23621	587
		5	25756	563
5	800	1	20032	827	15		460
		2	22507	814
		3	24982	799
		4	27457	762
		5	29932	733

Specifications of HTFC 25 Series Duct Blower

No.	Speed(rpm)	Operating Point	Airflow (m3/h)	Pressure(pa)	Motor Power(Kw)	Noise dB(A)	Weight (kg)
1	500	1	20055	412	5.5		412
		2	22531	413
		3	24994	404
		4	27469	406
		5	29932	381
2	550	1	21968	495	7.5		430
		2	24666	485
		3	27351	492
		4	30049	479
		5	32736	456
3	600	1	23962	589	11		480
		2	26788	584
		3	29616	571
		4	32442	555
		5	35270	531
4	650	1	26084	682	15		510
		2	29264	678
		3	32454	672
		4	35633	664
		5	38823	632
5	700	1	28161	785	18.5		541
		2	31668	785
		3	35176	766
		4	38682	749
		5	42190	713

Specifications of HTFC 28 Series Duct Blower

No.	Speed(rpm)	Operating Point	Airflow (m3/h)	Pressure(pa)	Motor Power(Kw)	Noise dB(A)	Weight (kg)
1	450	1	25369	413	7.5		526
		2	27844	410
		3	30320	407
		4	32794	399
		5	35270	390
2	500	1	27716	508	11		550
		2	30753	509
		3	33803	496
		4	36853	486
		5	39879	472
3	550	1	31199	606	15		615
		2	34272	605
		3	37345	599
		4	40407	582
		5	43481	562
4	600	1	33604	726	18.5		660
		2	37111	718
		3	40606	712
		4	44114	690
		5	47610	665
5	650	1	36607	854	22		675
		2	40334	844
		3	44031	831
		4	47750	810
		5	51457	782

Specifications of HTFC 30 Series Duct Blower

No.	Speed(rpm)	Operating Point	Airflow(m3/h)	Pressure(pa)	Motor Power(Kw)	Noise dB(A)	Weight (kg)
1	400	1	28172	388	11		610
		2	32348	390
		3	36125	384
		4	38870	375
		5	41700	368
2	450	1	31551	489	15		670
		2	35058	492
		3	38542	485
		4	42108	476
		5	45838	458
3	500	1	35903	601	18.5		715
		2	40079	599
		3	44430	593
		4	48630	577
		5	51762	568
4	550	1	36665	719	22		725
		2	41627	718
		3	46542	720
		4	51457	704
		5	56360	675
5	600	1	40900	848	30		764
		2	46471	854
		3	52383	843
		4	57967	827
		5	63315	805

Specifications of HTFC 33 Series Duct Blower

No.	Speed(rpm)	Operating Point	Airflow (m3/h)	Pressure(pa)	Motor Power(Kw)	Noise dB(A)	Weight (kg)
1	400	1	40783	454	15		681
		2	45814	462
		3	51867	450
		4	56337	440
		5	61087	425
2	450	1	44923	569	18.5		712
		2	51867	577
		3	58248	571
		4	63164	552
		5	68852	536
3	500	1	49638	698	22		755
		2	57685	708
		3	64301	696
		4	70530	676
		5	76594	657
4	550	1	54659	844	30		787
		2	63515	852
		3	70776	837
		4	77790	815
		5	84406	792
5	600	1	60641	997	37		850
		2	69227	1004
		3	77391	990
		4	84969	966
		5	91866	929

Specifications of HTFC 36 Series Duct Blower

No.	Speed(rpm)	Operating Point	Airflow (m3/h)	Pressure(pa)	Motor Power(Kw)	Noise dB(A)	Weight (kg)
1	400	1	45127	486	18.5		790
		2	52071	479
		3	58452	466
		4	63368	447
		5	69056	436
2	450	1	64505	622	22		823
		2	70734	620
		3	76799	591
		4	77054	562
		5	77309	553
3	500	1	71023	742	30		856
		2	78045	741
		3	84661	714
		4	84967	671
		5	87294	670
4	550	1	77707	898	37		890
		2	81049	891
		3	86251	862
		4	89536	833
		5	110827	798
5	600	1	111947	1073	45		920
		2	115517	1058
		3	117746	1018
		4	118913	969
		5	120452	940