Key specification for this centrifugal blower: 380V/440V, blade material Cast Iron. Everything below is reproduced from the factory data sheet. Made by Wuxi Luoshe Jiangnan Fan Factory (18 years on the platform, typical reply ≤9h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Centrifugal Blower
- Model Number: JNDG2
- Voltage: 380V/440V
- Blade Material: Cast Iron
- Warranty: 1 Year
- Certification: ce
- Place Of Origin: Jiangsu, China
Technical Specifications
| Mounting | Duct Fan |
|---|---|
| Voltage | 380V/440V |
| Blade Material | Cast Iron |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM |
| Place Of Origin | Jiangsu, China |
| Brand Name | JN exhaust ventilator |
| Model Number | JNDG2 |
| Temperature | <250°c |
| Medium Density | <150mg/cbm |
| Color | grey or as your requirements |
| Service | OEM |
| Certification | ce |
| Type | Centrifugal Fan |
| Selling Units | Single item |
| Single Volume | 0 cm³ |
| Single Gross Weight | 0.0 kg |
Product Details




No. | Power (Kw) | Rotation Speed (r/min) | Volume Flow(m³/h) | Total Pressure (Pa) |
2.8A | 1.5 | 2900 | 1131-2356 | 994-606 |
3.2A | 2.2 | 2900 | 1688-3517 | 1300-792 |
1.1 | 1450 | 844-1758 | 324-198 | |
3.6A | 3 | 2900 | 2664-5268 | 1578-989 |
1.1 | 1450 | 1332-2634 | 393-247 | |
4A | 5.5 | 2900 | 4012-7419 | 2014-1320 |
1.1 | 1450 | 2006-3700 | 501-329 | |
4.5A | 7.5 | 2900 | 5712-10562 | 2554-1673 |
1.1 | 1450 | 2856-5281 | 634-416 | |
5A | 15 | 2900 | 7728-15455 | 3187-2019 |
2.2 | 1450 | 3864-7728 | 790-502 | |
6A | 4 | 1450 | 6677-13353 | 1139-724 |
1.5 | 960 | 4420-8841 | 498-317 | |
6C | 15 | 2240 | 10314-20628 | 2734-1733 |
11 | 2000 | 9209-18418 | 2176-1380 | |
7.5 | 1800 | 8288-16576 | 1760-1116 | |
5.5 | 1600 | 7367-14734 | 1389-881 | |
3 | 1250 | 5756-11511 | 846-537 | |
2.2 | 1000 | 4605-9209 | 541-344 | |
1.1 | 800 | 3684-7367 | 346-220 | |
7C | 18.5 | 1800 | 13161-26322 | 2395-1519 |
15 | 1600 | 11698-23397 | 1890-1199 | |
11 | 1450 | 10602-21204 | 1553-984 | |
7.5 | 1250 | 9140-18279 | 1151-731 | |
5.5 | 1120 | 8189-16378 | 924-586 | |
4 | 1000 | 7312-14623 | 736-468 | |
8C | 37 | 1800 | 28105-36427 | 2920-2302 |
30 | 1800 | 19646-25240 | 3143-3032 | |
22 | 1600 | 17463-22435 | 2478-2390 | |
11 | 1250 | 13643-25297 | 1507-1106 | |
7.5 | 1120 | 12224-15705 | 1209-1166 | |
5.5 | 1000 | 10914-14022 | 963-929 | |
5.5 | 900 | 14052-18213 | 725-572 | |
3 | 800 | 8732-16190 | 615-452 | |
2.2 | 710 | 7749-11085 | 485-450 | |
10C | 37 | 1250 | 34863-48797 | 2373-1877 |
30 | 1120 | 31237-43722 | 1902-1505 | |
18.5 | 1000 | 27890-39038 | 1514-1199 | |
15 | 900 | 25101-35134 | 1225-970 | |
11 | 800 | 22312-31230 | 967-766 | |
7.5 | 710 | 19802-27717 | 761-603 | |
5.5 | 630 | 17571-24594 | 599-475 | |
12C | 75 | 1120 | 53978-75552 | 2746-2172 |
55 | 1000 | 63953-67457 | 1859-1729 | |
37 | 900 | 43375-60712 | 1767-1399 | |
30 | 800 | 38556-53966 | 1395-1104 | |
18.5 | 710 | 34218-47895 | 1097-869 | |
15 | 630 | 30362-42498 | 863-684 | |
11 | 560 | 31774-37776 | 646-540 | |
7.5 | 500 | 24097-33728 | 543-430 | |
12C | 110 | 1000 | 76535-107124 | 2985-2361 |
75 | 900 | 68881-96412 | 2412-1908 | |
55 | 800 | 61228-85699 | 1903-1506 | |
37 | 710 | 54340-76058 | 1497-1185 | |
30 | 630 | 48217-67488 | 1177-932 | |
18.5 | 560 | 42859-59990 | 929-736 | |
15 | 500 | 38267-53562 | 741-587 | |
11 | 450 | 34441-48206 | 599-474 | |
7.5 | 400 | 30614-42850 | 474-375 | |
5.5 | 355 | 27170-38029 | 372-295 |


2.Designing and manufacturing of non-standard equipment
4.Tele-technical consulting and services
5.Other special technical service according to client’s requirements
6.Close follow-up of all orders and keep customers informed timely
7.Product quality and delivery time is strictly controlled


A:air flow, total pressure or static pressure,voltage,working condition.
Q2:How long is the warranty time?
Q3:Can you produce the OEM orders?
A:Yes,we have R&D dept which can provide professional solutions for you.
Q4:What kind of certificates can you provide?
A:Our factory have ISO9001 and CE certificates.
Q5:How do you control the product's quality?
A:All the products have quality testing and dynamic balance before delivery.
Ordering and Pricing
- Minimum order quantity: 1 set
- Volume pricing:
- 1–4 set: US $2000 / set
- 5–9 set: US $1800 / set
- 10+ set: US $1600 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this centrifugal blower?
The standard minimum order quantity is 1 set. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this centrifugal blower carry?
It is supplied with ce documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the centrifugal blower be supplied for my local voltage?
The standard configuration is 380V/440V. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Wuxi Luoshe Jiangnan Fan Factory, based in China. The company 18 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Wuxi Luoshe Jiangnan Fan Factory range on HVACR Nexus.
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