Backward curved centrifugal fan manufacturer from China-Belmont

Belmont offers an extensive range of high-quality industrial fans and motors, designed to meet the varied needs of customers across multiple industries worldwide. Our diverse product portfolio ensures

Axial Fan

Backward Curved Centrifugal Fan

Forward Curved Centrifugal Fan

Radial Plug Fan

Industries

Belmont Fan provides specialized industrial fan and motor solutions for diverse sectors including HVAC, cooling towers, cleanrooms, and refrigeration, offering advanced airflow management and climate

Air Handling Units (AHUs)

HVAC Systems for Buildings and Commercial Use

Cleanroom and Electronics Cooling

Cooling Towers

Refrigeration and Cold Storage

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Cases

Belmont Fan leads in delivering advanced fan solutions for HVAC and cooling systems. Our case studies showcase our dedication to solving complex client challenges with customized, high-performance sys

Application Case

Why Choose Belmont Backward Curved Centrifugal Fans

Discover how our fans excel in diverse applications, from maintaining precise temperature control in data centers to ensuring efficient ventilation in industrial settings. Below are key areas where our fans make a significant impact:

High Static Pressure & Stable Airflow
Belmont fans deliver stable, high static pressure airflow for consistent air distribution in HVAC systems and other demanding applications.
Energy-Efficient EC & AC Motor Options
Equipped with advanced EC and AC motor technology to reduce energy consumption and operating costs without compromising performance.
Low Noise Operation
Engineered for low noise and vibration levels, ensuring smooth and quiet operation even in environments requiring precise acoustic control.
Durable & Long-Lasting Design
Constructed with high-quality materials to enhance durability and longevity, ensuring reliable performance in various industrial and commercial settings.
Customizable to Your Specifications
Belmont offers flexible customization options for sizes, impeller types, and housing to meet specific ventilation and cooling needs.
Complies with International Certifications
Our fans meet international standards and certifications, providing you with reliable and safe operation in global markets.
Reliable Technical Support & Service
Backed by our dedicated technical team, we provide prompt support and service to assist with installation, maintenance, and troubleshooting.

Backward Curved Centrifugal Fan Products

Backward Curved Centrifugal Fan

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Applications of Belmont Backward Curved Centrifugal Fan

Air Handling Units (AHUs)
Provide stable, high static pressure airflow for effective air distribution in HVAC systems.
Industrial Ventilation
Ensure reliable exhaust and fresh air intake in factories and production facilities.
Data Center Cooling
Maintain precise temperature control with quiet, energy-efficient airflow solutions.
Clean Rooms & Laboratories
Deliver controlled airflow to maintain contamination-free environments.
Commercial Kitchen Ventilation
Effectively remove heat, smoke, and odors while maintaining ventilation balance.
Cold Storage & Refrigeration
Support temperature stability with consistent, energy-efficient airflow.

Product Catalog for Backward Curved Centrifugal Fans

Fan Model	Motor Type	Size (mm)	Fan Size (W×H×D)	Supply	Voltage (V)	Frequency (Hz)	Power Input (W)	Max airflow (m³/h)	Noise (dBA)	IP class
BEF(K)4E133-PLHDAJ0	EC	133	133×133×125	1P,200~255V	230	50/60	61	380	64	IP54
BMF(K)2E175-GH	AC	175	176×176×81	1P,220~240V	230	50/60	58/67	450/510	62/64	IP54
BEF(K)4E192-PLHDAJ0	EC	192	190×190×118	1P,200~277V	230	50/60	120	750	65	IP54
BEF(K)6E192-PLHDAJ1	EC	192	190×190×140	1P,200~277V	230	50/60	196	920	73	IP54
BMF(K)2B192-GH	AC	192	190×190×87	1P,110~127V	120	50/60	70/85	510/550	63	IP54
BMF(K)2E192-GH	AC	192	190×190×87	1P,220~240V	230	50/60	70/90	570/620	62/64	IP54
BEF(K)6E220-PLHDAJ1	EC	220	253×253×151	1P,200~277V	230	50/60	180	1200	68	IP54
BMF(K)2B220-GH	AC	220	253×253×99	1P,110~127V	115	50/60	110/140	890/990	74	IP54
BMF(K)2E220-GH	AC	220	253×253×99	1P,220~240V	230	50/60	100/130	800/900	72/74	IP54
BMF(K)4E220-GH02-LD	AC	220	253×253×99	1P,220~240V	230	50/60	46/60	380/460	58/60	IP54
BEF(K)4E225-PLHDAJ3	EC	225	225×225×155	1P,200~277V	230	50/60	95	1025	65	IP54
BEF(K)6E225-PLHDAJ1	EC	225	225×225×172	1P,200~277V	230	50/60	210	1280	68	IP54
BMF(K)2B225-GH	AC	225	227×227×121	1P,110~127V	115	50/60	160/210	1000/1160	75	IP54
BMF(K)2E225-GH	AC	225	227×227×121	1P,220~240V	230	50/60	150/200	1150/1300	73/75	IP54
BMF(K)4E225-GH	AC	225	227×227×121	1P,220~240V	230	50/60	48/52	580/710	59/61	IP54
BEF(K)6D250-PLHDAJ1	EC	250	283×283×269	3P,380~480V	400	50/60	840	2850	75	IP54
BEF(K)6D250-PLHDAJ1-RF	EC	250	283×283×269	3P,380~480V	400	50/60	840	2850	75	IP54
BEF(K)6E250-PLHDAJ0	EC	250	255×255×176	1P,200~277V	230	50/60	270	1550	72	IP54
BEF(K)6E250-PLHDAJ1-PRF	EC	250	283×283×262	1P,200~277V	230	50/60	540	2850	74	IP54
BEF(K)6E250-PLHDAJ10-PRF	EC	250	283×283×269	1P,200~277V	230	50/60	803	2850	75	IP54
BEF(K)6E250-PLHDAJ2-P	EC	250	283×283×262	1P,200~277V	230	50/60	540	2850	74	IP54
BEF(K)6E250-PLHDAJ2-PRF	EC	250	283×283×262	1P,200~277V	230	50/60	540	2850	74	IP54
BMF(K)2B250-GH	AC	250	255×255×128	1P,110~127V	115	50/60	200/235	1400/1550	75	IP54
BMF(K)2E250-GH	AC	250	255×255×128	1P,220~240V	230	50	200	1500	75	IP54
BMF(K)4E250-GH	AC	250	255×255×128	1P,220~240V	230	50/60	70	820/980	64/64	IP54
BEF(K)6D280-PLHDAJ1	EC	280	325×325×300	3P,380~480V	400	50/60	1140	4150	74	IP54
BEF(K)6D280-PLHDAJ1-RF	EC	280	325×325×300	3P,380~480V	400	50/60	1140	4150	74	IP54
BEF(K)6E280-PLHDAJ0	EC	280	300×300×178	1P,200~277V	230	50/60	245	1700	75	IP54
BEF(K)6E280-PLHDAJ1-PRF	EC	280	325×325×296	1P,200~277V	230	50/60	730	3600	74	IP54
BEF(K)6E280-PLHDAJ3-PRF	EC	280	325×325×300	1P,200~277V	230	50/60	730	3600	74	IP54
BEF(K)6E280-PLHDAJ8-PRF	EC	280	325×325×250	1P,200~277V	230	50/60	790	3390	72	IP54
BMF(K)2B280-GH	AC	280	300×300×127	1P,110~127V	120	50/60	260/320	1570/1750	77	IP54
BMF(K)2D280-GH01-LD	AC	280	280×280×211	3P,360~440V	400	50	620	2800	82	IP54
BMF(K)2D280-GH04	AC	280	280×280×210	3P,200~240/380~440V △/Y	230/400	50	450	2650	77	IP54
BMF(K)2E280-GH	AC	280	300×300×127	1P,220~240V	230	50	250	1800	76	IP54
BMF(K)2E280-GH03	AC	280	280×280×211	1P,220~240V	230	50	590	2960	80	IP54
BMF(K)2E280-GH06	AC	280	300×300×127	1P,220~240V	220	50/60	250/300	1620/1800	76	IP54
BMF(K)2E280-GH11-LD	AC	280	325×325×225	1P,220~240V	230	50	795	3240	80	IP54
BMF(K)2E280-GH24-LD	AC	280	280×280×185	1P,220~240V	230	50	590	2250	71	IP54
BMF(K)4E280-GH	AC	280	300×300×127	1P,220~240V	230	50	98	940	62	IP54
BEF(K)6E310-PLHDAJ11-PRF	EC	310	360×360×310	1P,200~277V	230	50/60	470	3500	69	IP54
BEF(K)8D310-PLHDAJ1	EC	310	360×360×355	3P,380~480V	400	50/60	1650	5600	82	IP54
BEF(K)8D310-PLHDAJ6-RF	EC	310	360×360×305	3P,380~480V	400	50/60	2170	5700	85	IP54
BEF(K)8E310-PLHDAJ3-RF	EC	310	360×360×355	1P,200~277V	230	50/60	1375	4800	78	IP54
BMF(K)4B310-GH	AC	310	350×350×187	1P,110~127V	115	60	190	2000	61	IP54
BMF(K)4D310-GH	AC	310	350×350×192	3P,360~440V	400	50/60	150/185	1700/1950	62	IP54
BMF(K)4E310-GH	AC	310	350×350×192	1P,220~240V	230	50/60	140/190	1650/1900	61	IP54
BMF(K)4E310-GH07	AC	310	316×316×187	1P,220~240V	230	50/60	160/230	1800/2100	62/62	IP54
BMF(K)6E310-GH	AC	310	350×350×192	1P,220~240V	230	50/60	77/90	1160/1400	53	IP54
BMF(K)2D315-GH-LD	AC	315	350×350×215	3P,360~440V	400	50	860	3100	83	IP54
BEF(K)6E355-PLHDAJ8-PRF	EC	355	360×360×300	1P,200~277V	230	50/60	450	3700	67	IP54
BEF(K)8D355-PLHDAJ0-RF	EC	355	405×405×405	3P,380~480V	400	50/60	2560	7300	86	IP54
BEF(K)8D355-PLHDAJ10	EC	355	403×403×345	3P,380~480V	400	50/60	1100	6360	73	IP54
BEF(K)8D355-PLHDAJ10-RF	EC	355	403×403×345	3P,380~480V	400	50/60	1060	6230	73	IP54
BEF(K)8D355-PLHDAJ10C-RF	EC	355	405×405×315	3P,380~480V	400	50/60	1310	6200	73	IP54
BEF(K)8D355-PLHDAJ11-RF	EC	355	403×403×405	3P,380~480V	400	50/60	3250	8500	86	IP54
BEF(K)8D355-PLHDAJ12	EC	355	403×403×376	3P,380~480V	400	50/60	1700	6600	75	IP54
BEF(K)8D355-PLHDAJ12-RF	EC	355	403×403×376	3P,380~480V	400	50/60	1700	6600	75	IP54
BEF(K)8D355-PLHDAJ16-RF	EC	355	403×403×345	3P,380~480V	400	50/60	1290	6600	75	IP54
BEF(K)8D355-PLHDAJ16A-A	EC	355	403×403×350	3P,380~480V	400	50/60	1290	6800	68	IP54
BEF(K)8D355-PLHDAJ16A-E	EC	355	403×403×345	3P,380~480V	400	50/60	1290	6600	75	IP54
BEF(K)8E355-PLHDAJ0-PRF	EC	355	403×403×350	1P,200~277V	230	50/60	750	4650	72	IP54
BEF(K)8E355-PLHDAJ2-RF	EC	355	403×403×345	1P,200~277V	230	50/60	1040	6450	76	IP54
BMF(K)4B355-GH	AC	355	355×355×196	1P,110~127V	115	60	330	2700	68	IP54
BMF(K)4D355-GH-2	AC	355	355×355×196	3P,380~440V	400	50/60	220/310	2200/2500	65/67	IP54
BMF(K)4D355-GH08-LD	AC	355	403×403×220	3P,380~480V	380	50	290	3100	63	IP54
BMF(K)4E355-GH-2	AC	355	355×355×196	1P,220~240V	230	50/60	220/310	2200/2500	64/68	IP54
BMF(K)4E355-GH03	AC	355	360×360×200	1P,220~240V	230	50	240	2460	66	IP54
BMF(K)4E355-GH06	AC	355	355×355×200	1P,220~240V	230	60	330	2600	68	IP54
BEF(K)8D400-PLHDAJ0-RF	EC	400	455×455×410	3P,380~480V	400	50/60	3350	9100	86	IP54
BEF(K)8D400-PLHDAJ10-RF	EC	400	455×455×430	3P,380~480V	400	50/60	2130	8180	81	IP54
BEF(K)8D400-PLHDAJ11-RF	EC	400	454×454×350	3P,380~480V	400	50/60	2860	8300	80	IP54
BEF(K)8D400-PLHDAJ4-RF	EC	400	455×455×445	3P,380~480V	400	50/60	3600	9800	85	IP54
BEF(K)8E400-PLHDAJ0-PRF	EC	400	455×455×330	1P,200~277V	230	50/60	570	5100	63	IP54
BMF(K)4B400-GH	AC	400	404×404×276	1P,110~127V	115	60	810	4600	71	IP54
BMF(K)4D400-GH	AC	400	404×404×276	3P,360~440V	400	50	540/350	4100/3300	70	IP54
BMF(K)4D400-GH06B-LD	AC	400	405×405×275	3P,200~240/380~440V △/Y	230/400	60	750	4400	69	IP54
BMF(K)4E400-GH	AC	400	404×404×276	1P,220~240V	230	50	560	4100	71	IP54
BMF(K)4E400-GH04	AC	400	405×405×275	1P,220~240V	230	50/60	520/830	4100/4800	71/73	IP54
BMF(K)6E400-GH	AC	400	404×404×276	1P,220~240V	230	50/60	180/240	2700/3100	50	IP54
BEF(K)10D450-PLHDAJ0-RF	EC	450	535×535×575	3P,380~480V	400	50/60	5700	15200	87	IP54
BEF(K)8D450-PLHDAJ3-RF	EC	450	505×505×443	3P,380~480V	400	50/60	2950	10600	83	IP54
BEF(K)8D450-PLHDAJ7-RF	EC	450	505×505×445	3P,380~480V	400	50/60	3200	12000	83	IP54
BEF(K)8E450-PLHDAJ1-P	EC	450	455×455×375	1P,200~277V	230	50/60	795	5800	75	IP54
BEF(K)8E450-PLHDAJ1-PRF	EC	450	455×455×375	1P,200~277V	230	50/60	795	5800	75	IP54
BMF(K)4D450-GH	AC	450	454×454×319	3P,380~440V	400	50	690/350	5300	74	IP54
BMF(K)4D450-GH02	AC	450	454×454×319	3P,200~240/380~440V △/Y	230/400	50	810	5600	74	IP54
BMF(K)4D450-GH16-LD	AC	450	504×504×206	3P,380~440V	380	50	1050	6350	77	IP54
BMF(K)4D450-GH20-LD	AC	450	454×454×300	3P,360~440V	400	50	960	7000	70	IP54
BMF(K)4E450-GH	AC	450	454×454×319	1P,220~240V	230	50	830	5600	74	IP54
BMF(K)4E450-GH03	AC	450	455×455×325	1P,220~240V	230	50/60	900/1400	5700/6650	75	IP54
BMF(K)4E450-GH08	AC	450	455×455×320	1P,220~240V	230	50	740	5200	70	IP54
BMF(K)6D450-GH	AC	450	454×454×319	3P,380~440V	400	50	270	3650	60	IP54
BMF(K)6E450-GH	AC	450	454×454×319	1P,220~240V	230	50	300	3900	60	IP54
BEF(K)10D500-PLHDAJ1-RF	EC	500	630×630×600	3P,380~480V	400	50/60	5600	17850	86	IP54
BEF(K)8D500-PLHDAJ0-RF	EC	500	500×500×410	3P,380~480V	400	50/60	1250	8200	72	IP54
BEF(K)8D500-PLHDAJ2-RF	EC	500	570×570×441	3P,380~480V	400	50/60	3460	12660	86	IP54
BEF(K)8D500-PLHDAJ4-RF	EC	500	570×570×443	3P,380~480V	400	50/60	2800	12800	79	IP54
BEF(K)8D500-PLHDAJ7-RF	EC	500	566×566×463	3P,380~480V	400	50/60	4130	13800	87	IP54
BMF(K)4D500-GH	AC	500	505×505×349	3P,380~440V	400	50	1560/1100	7400/6500	77	IP54
BMF(K)4D500-GH02	AC	500	505×505×350	3P,200~240/380~440V △/Y	230/400	50	1600	7400	77	IP54
BMF(K)4D500-GH51	AC	500	500×500×314	3P,360~440V	400	50	1300/1100	7980/7310	77	IP54
BMF(K)4D500-GH61-LD	AC	500	500×500×315	3P,200~240V	220	60	1700	8450	77	IP54
BMF(K)4E500-GH	AC	500	505×505×349	1P,220~240V	230	50	1550	7600	77	IP54
BMF(K)4E500-GH50	AC	500	500×500×315	1P,220~240V	230	50	1550	7800	77	IP54
BMF(K)4E500-GH50-LD	AC	500	500×500×245	1P,220~240V	230	50	1550	7800	77	IP54
BMF(K)6D500-GH	AC	500	505×505×349	3P,200~240/380~440V △/Y	230/400	50/60	390/600	5200/6100	66/69	IP54
BMF(K)6D500-GH50	AC	500	500×500×240	3P,200~240/380~440V △/Y	230/400	50/60	390/600	5300/6200	66/69	IP54
BMF(K)6E500-GH	AC	500	505×505×349	1P,220~240V	230	50/60	430/650	4800/5600	65/68	IP54
BMF(K)6E500-GH50	AC	500	500×500×314	1P,220~240V	230	50/60	430/650	5300/6200	65/68	IP54
BEF(K)10D560-PLHDAJ1-RF	EC	560	654×654×529	3P,380~480V	400	50/60	5150	19500	84	IP54
BEF(K)8D560-PLHDAJ1-RF	EC	560	570×570×496	3P,380~480V	400	50/60	3100	13500	81	IP54
BEF(K)8D560-PLHDAJ5-RF	EC	560	570×570×443	3P,380~480V	400	50/60	3530	13500	85	IP54
BEF(K)8D560-PLHDAJ6-RF	EC	560	570×570×496	3P,380~480V	400	50/60	3200	15100	81	IP54
BMF(K)4D560-GH	AC	560	570×570×392	3P,360~440V	400	50	1850/850	10500/7500	79/76	IP54
BMF(K)4D560-GH03	AC	560	570×570×392	3P,200~240/380~440V △/Y	230/400	50	2200	10600	79	IP54
BMF(K)4D560-GH50	AC	560	570×570×383	3P,360~440V	400	50	1800/850	11000/7770	79	IP54
BMF(K)4D560-GH52	AC	560	570×570×383	3P,380~440V	400	50	2700/2070	13000/11700	81	IP54
BMF(K)4D560-GH52-LD	AC	560	570×570×385	3P,380~440V	400	50	2700/2070	13000/11700	81	IP54
BMF(K)4D560-GH54	AC	560	570×570×383	3P,380~440V	400	50	2300	12000	76	IP54
BMF(K)4K560-GH01-LD	AC	560	570×570×335	3P,460~500V	460	60	2900	12300	81	IP54
BMF(K)6D560-GH	AC	560	570×570×392	3P,200~240/380~440V △/Y	230/400	50	780	7500	69	IP54
BMF(K)6D560-GH50	AC	560	570×570×383	3P,200~240/380~440V △/Y	230/400	50	780	8400	69	IP54
BMF(K)6E560-GH	AC	560	570×570×392	1P,220~240V	230	50	700	7600	69	IP54
BMF(K)6E560-GH50	AC	560	570×570×383	1P,220~240V	230	50	700	8050	69	IP54
BEF(K)8D630-PLHDAJ10A-RF	EC	630	645×645×440	3P,380~480V	400	50/60	3500	20000	81	IP54
BEF(K)8D630-PLHDAJ4-RF	EC	630	634×634×527	3P,380~480V	400	50/60	3760	17000	79	IP54
BMF(K)4D630-GH50	AC	630	634×634×406	3P,200~240/380~440V △/Y	230/400	50	4300	16900	81	IP54
BMF(K)4D630-GH52-LD	AC	630	640×640×365	3P,200~240/380~440V △/Y	230/400	50	3600	14200	86	IP54
BMF(K)6D630-GH50	AC	630	634×634×405	3P,200~240/380~440V △/Y	230/400	50	1200	11750	76	IP54
BMF(K)6D720-GH	AC	720	720×720×460	3P,200~240/380~440V △/Y	230/400	50	2200	16800	79	IP54
BMF(K)6D720-GH14A-LD	AC	720	720×720×430	3P,380~440V	380/400	50	2480	18000	74	IP54

FAQs – Belmont Backward Curved Centrifugal Fan

Q: What are the main benefits of backward curved centrifugal fans?
A: They provide high static pressure with energy-efficient airflow, low noise levels, and durable performance suitable for HVAC and industrial applications.
Q: What sizes and airflow capacities do you offer?
A: Our fans come in multiple sizes, typically ranging from 133mm to 720mm diameter, with customizable airflow and pressure ratings to meet diverse requirements.
Q: Can you customize fans to fit specific system needs?
A: Yes, we offer customization in impeller design, motor type (EC or AC), voltage, mounting options, and material to perfectly match your application.
Q: What certifications do your centrifugal fans hold?
A: Our products meet international standards including CE, RoHS, and others relevant for export markets.
Q: Do you provide technical support and installation guidance?
A: Absolutely. Our engineering team is available to assist with product selection, installation advice, and troubleshooting.
Q: What is the minimum order quantity (MOQ)?
A: MOQ varies by model and customization level. We are flexible and welcome sample orders or small initial batches.
Q: Do you support OEM/ODM services?
A: Yes, we collaborate on OEM and ODM projects, including branding and design modifications tailored to your needs.