Key specification for this roots blower: type rotary aerator, model number 2″, 3″, 4″, 5″, 6″, 7″, 8″, 9″, 10″. Everything below is reproduced from the factory data sheet. Made by Shandong Huadong Blower Co., Ltd. (9 years on the platform, typical reply ≤2h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Roots Blower
- Model Number: 2", 3", 4", 5", 6", 7", 8", 9", 10"
- Warranty: 1 Year
- Place Of Origin: Shandong, China
- Application: widely used
- Application Filed: Fish Farming Fish Pond Shrimp farming Aquauclture
- Feature: Long Life
Technical Specifications
| Core Components | Bearing, Motor, Gear, Pump |
|---|---|
| Machinery Test Report | Provided |
| Warranty | 1 Year |
| Video Outgoing-Inspection | Provided |
| Key Selling Points | High Productivity |
| Brand Name | XINHUADONG/AIRUS/LONGHUA |
| Place Of Origin | Shandong, China |
| Weight | 150 |
| Model Number | 2", 3", 4", 5", 6", 7", 8", 9", 10" |
| Type | rotary aerator |
| Usage | aquaculture |
| Product Name | Roots Blower for High Stocking Fish |
| Application | widely used |
| Cetificate | ISO9001/ CE / EAC / ATEX / ISO14001 |
| Keywords | shrimp farming aerator |
| Feature | Long Life |
| Application Filed | Fish Farming Fish Pond Shrimp farming Aquauclture |
| Energy | Energy Saving |
| Function | Transfer Oxygen |
| Selling Units | Single item |
| Single Package Size | 80X60X50 cm |
| Single Gross Weight | 143.0 kg |
Product Details






MODEL | FLOW RATE(m³/MIN) | PRESSURE RISE(MMAQ) | MOTOR POWER(KW) |
HDLH50 | 0.15-2.92 | 1000-8000 | 0.55-7.5 |
HDLH65 | 1.09-5.17 | 1000-8000 | 0.65-11 |
HDLH80 | 1.28-8.64 | 1000-8000 | 1.5-15 |
HDLH100 | 2.74-13.36 | 1000-8000 | 2.2-22 |
HDLH125 | 5.65-24.66 | 1000-8000 | 3.5-3.7 |
HDLH150 | 9.61-31.84 | 1000-8000 | 4-55 |








































A: We are 100% factory, located in Shangdong, China.
2.Q: How long is your delivery time?
A: 7-15 days for first order, 20-30 days for the coming order.
3.Q: Do you provide samples?
A: Yes, we could offer the sample.
4.Q: What is your terms of payment ?
A: 50% T/T in advance, balance before shipment or against B/L copy.
If you have another question, pls feel free to contact us.
5.Q: Do you support customization?
A: Yes, we do OEM LOGO or color according to your demand.


Ordering and Pricing
- Minimum order quantity: 1 set
- Volume pricing:
- 1+ set: US $300 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this roots 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.
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 Shandong Huadong Blower Co., Ltd., based in China. The company 9 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Shandong Huadong Blower Co., Ltd. range on HVACR Nexus.
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