190mm Industrial Cooling Compact 24V 48V Brushless DC Centrifugal Fan

• Material: Plastic
• Usage: for Air Conditioner, for Manufacture, for Refrigerate
• Flow Direction: Centrifugal
• Pressure: Medium Pressure
• Certification: RoHS, ISO, CE
• Fan Type: Backward Curved Centrifugal Fan
• Model NO.: B3D-XX190-S7-XX
• Motor Type: DC Brushless External Rotor Motor
• Speed Control: 0-10VDC/PWM
• Protection Type: IP44
• Insulation Class: B
• Ambt. Temperature: - 25 ~ +60
• Operation Mode: S1
• Bearing System: Ball Bearing
• Applications: Ventilation, Air Purifier, Cooling
• Transport Package: Standard Exporting Packages
• Specification: DC 190mm
• Trademark: OEM/ODM
• Origin: China
• HS Code: 8414593000
• Production Capacity: 50, 000PCS/Year

Product Description

Product Description

Voltage Type: DC
Motor Type: BLDC External Rotor Motor
Impeller Diameter: 190mm
Impeller Material: PA Plastic + Glass Fiber
Speed Control: 0-10VDC/PWM
Protection Type: IP44
Insulation Class: B
Operation Temperature: - 25 ºC ~ +60 ºC
Motor Protection: Locked-Rotor Protection, Reverse Polarity Protection, Thermal Protection, Soft Start

Model No.	Bearing System	Rated Voltage	Operating Voltage	Rated Current	Rated Power	Rated Speed	Air Flow	Air Pressure	Noise Level
	B/S	VDC	VDC	A	W	RPM	m³/h	Pa	dBA
B3D-24190-S7-00	Ball	24	16~28	2.4	57	2950	621	403	68
B3D-48190-S7-00	Ball	48	36~57	1.2	57	2950	621	403	68
B3D-24190-S7-01	Ball	24	16~28	3	72	3300	665	480	70
B3D-48190-S7-01	Ball	48	36~57	1.5	72	3300	665	480	70

Outline Drawing

Performance Curve

B3D-24190-S7-00/B3D-48190-S7-00 P-Q
B3D-24190-S7-01/B3D-48190-S7-01 P-Q

Suzhou Seemtek Fan Co., Ltd. is located in Suzhou, an ancient garden city with profound cultural background, the national high-tech industrial base as well as one of the important central cities in the Yangtze River Delta.
Seemtek is an established designer and manufacturer of external rotor motor powered backward curved centrifugal fans, forward curved centrifugal fans, blowers(forward curved centrifugal fans with housings) and axial fans, which are primarily supplied to global original equipment manufacturers in ventilation, air conditioning, purification, heating, cooling, and refrigeration area. The company is committed to developing energy efficient and intelligent EC(Electronically Commutated) motors and fans since the foundation. With a strong technical expertise, the R&D team has developed reliable performance products verified by numerous customers.
Serving the market with green products through innovative design and continual improvement in manufacturing processes and customer service has always been of prime importance and a key factor in maintaining Seemtek's position at the forefront of the EC motor and fan market. Whether it's one of the standard products or a custom design, Seemtek is ready to work with you for the optimal solutions.

1. What's your main business?
We provide electronically commutated motor and fan products while offering customized solutions as per demands and consulting service at any time.

2. What are the fans we can get from your company?
Our products all adopt EC technology, fan types involved are centrifugal fans both backward and forward, blowers and axial fans.

3. What are your advantages?
Our team members are professional in fan application industry, skilled in electromagnetic technology and fluid design and experienced in manufacturing processes and production management.

4. Do you provide OEM/ODM service?
We accept custom request for products. Please feel free to tell us your requirements and we will feedback with optimal solutions.

5. What's your quality and warranty?
Performance and reliability tests are carried out during R&D before products are put into production. Our finished products are 100% tested before delivery. The warranty period is 24 months.

6. How long is your lead time?
Sample orders are usually delivered in 1 week; bulk orders delivery time will vary from 20-35 days. Please contact us for valid delivery date.

7. How the shipment is arranged?
Shipment can be arranged by express, air, rail or sea. It depends on customers' budgets and urgency. And usually the quote for samples is based on EXW and for 100pcs above is based on FOB. If you would like to use our forwarders, please let us know.

8. How to place an order?
Please contact the sales person for Proforma Invoice for the confirmed product with approved price. Your order will be arranged after the sales person confirms prepayment receipt to you.