Ring blower — 380V, max airflow 320/380m3/h. The complete factory specification follows. Made by Foshan Luomei Electric Technik Co.,ltd (10 years on the platform, typical reply ≤3h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Ring Blower
- Model Number: 2LM720-H57
- Power Source: Electric
- Horsepower: 10HP
- Voltage: 380V
- Max Airflow: 320/380m3/h
- Material: Aluminum alloy
Technical Specifications
| Application | CNC |
|---|---|
| Structure | double stage vacuum pump |
| Voltage | 380V |
| Power Source | Electric |
| Outlet Size | G2 |
| Motor | copper coil |
| Warranty | 1 Year |
| Customized Support | OEM |
| Horsepower | 10HP |
| Pressure | High Pressure |
| Model Number | 2LM720-H57 |
| Place Of Origin | Guangdong, China |
| Brand Name | LUOMEI |
| Frequency | 50/60 Hz |
| Max Airflow | 320/380m3/h |
| Max Pressure | 610/670mbar |
| Max Vacuum | -420/-400mbar |
| Color | Silver |
| Material | Aluminum alloy |
| Net Weight | 73KG |
| Usage | High Pressure Regenerative Blower |
| Product Name | air vacuum pump |
| Motor Material | 100% copper coil |
| Selling Units | Single item |
| Single Package Size | 62X67X48 cm |
| Single Gross Weight | 88.000 kg |
Product Details
2LM720H57 7.5kw double stage ring blower air vacuum pump
1. Technical Paramater
Phase: 3
Motor: 10.0 HP @ 50Hz / 11.5 HP @ 60Hz
Motor: 7.5 KW @ 50Hz / 8.6 KW @ 60Hz
Current: 14.3A @ 50Hz / 16.7A @ 60Hz
Air Flow: 320/380m³/h (188/224cfm)
Max Pressure: 610/670mbar (245" /269" H2O)
Max Vacuum: -420/-440mbar (-169" /-177" H2O)
Sound Level: 73/76 db
Inlet Diameter: G2"
Weight: 73kg (161lbs)
2. Other main model
| Model | Phase | Frequency (Hz) | Power (KW) | Voltage (V) | Max airflow (m3/h) | Max pressure (mbar) | Max vacuum (mbar) | Weight (KG) |
| Single Stage Ring Blower | ||||||||
| 2LM210-A11 | 1 | 50 | 0.37 | 220-240 | 80 | 110 | -110 | 11 |
| 60 | 0.45 | 220-240 | 96 | 140 | -130 | |||
| 2LM410-A01 | 1 | 50 | 0.7 | 220-240 | 145 | 120 | -120 | 14 |
| 60 | 0.83 | 220-240 | 175 | 130 | -130 | |||
| 2LM510-A21 | 1 | 50 | 1.5 | 220-240 | 210 | 200 | -190 | 24 |
| 60 | 1.75 | 220-240 | 255 | 180 | -188 | |||
| 2LM210-H16 | 3 | 50 | 0.4 | 200-240/345-415 | 80 | 130 | -120 | 10 |
| 60 | 0.5 | 220-275/380-480 | 98 | 160 | -150 | |||
| 2LM410-H06 | 3 | 50 | 0.7 | 200-240/345-415 | 145 | 120 | -120 | 13 |
| 60 | 0.83 | 220-275/380-480 | 175 | 130 | -130 | |||
| 2LM510-H26 | 3 | 50 | 1.5 | 200-240/345-415 | 210 | 190 | -200 | 23 |
| 60 | 2.05 | 220-275/380-480 | 255 | 210 | -220 | |||
| 2LM510-H36 | 3 | 50 | 2.2 | 200-240/345-415 | 210 | 270 | -220 | 25 |
| 60 | 2.55 | 220-275/380-480 | 255 | 290 | -260 | |||
| 2LM710-H26 | 3 | 50 | 3.0 | 200-240/345-415 | 318 | 290 | -270 | 36 |
| 60 | 3.45 | 220-275/380-480 | 376 | 230 | -250 | |||
| 2LM710-H37 | 3 | 50 | 4.0 | 345-415/600-720 | 318 | 330 | -290 | 40 |
| 60 | 4.6 | 380-480/660-720 | 376 | 330 | -330 | |||
| 2LM810-H17 | 3 | 50 | 5.5 | 345-415/600-720 | 530 | 300 | -300 | 63 |
| 60 | 6.3 | 380-480/660-720 | 620 | 280 | -300 | |||
| 2LM810-H27 | 3 | 50 | 7.5 | 345-415/600-720 | 530 | 430 | -320 | 66 |
| 60 | 8.6 | 380-480/660-720 | 620 | 400 | -350 | |||
| 2LM910-H17 | 3 | 50 | 12.5 | 345-415/600-720 | 1050 | 270 | -280 | 93 |
| 60 | 14.5 | 380-480/660-720 | 1250 | 260 | 270 | |||
| Double Stage Ring Blower | ||||||||
| 2LM420-H36 | 3 | 50 | 1.5 | 200-240/345-415 | 150 | 280 | -280 | 25 |
| 60 | 2.05 | 220-275/380-480 | 180 | 310 | -320 | |||
| 2LM420-H46 | 3 | 50 | 2.2 | 200-240/345-415 | 150 | 440 | -330 | 27 |
| 60 | 2.55 | 220-275/380-480 | 180 | 420 | -350 | |||
| 2LM720-H47 | 3 | 50 | 5.5 | 345-415/600-720 | 320 | 500 | -440 | 66 |
| 60 | 6.3 | 380-480/660-720 | 380 | 500 | -440 | |||
| 2LM820-H27 | 3 | 50 | 7.5 | 345-415/600-720 | 520 | 440 | -400 | 86 |
| 60 | 8.6 | 380-480/660-720 | 620 | 330 | -360 | |||
| 2LM820-H37 | 3 | 50 | 11 | 345-415/600-720 | 520 | 600 | -430 | 104 |
| 60 | 12.6 | 380-480/660-720 | 620 | 600 | -460 | |||
| 2LM820-H47 | 3 | 50 | 15 | 345-415/600-720 | 520 | 670 | -460 | 120 |
| 60 | 17.3 | 380-480/660-720 | 620 | 750 | -490 | |||
We have many other model for you choose, if you want, please contact with me ,so we can send catalog to you.
3. Performance curves:
4. Dimensions:
Size( L*W*H ): 571*627*410mm, Inlet and outlet diameter: G2".
5. Features:
- Beautiful surface,Easy installation,Low noise level
- No vibration, and therefore complete dynamic stability
- Pulsation-free discharge,free maintenance
- Higher pressure ratio,100% oil free
- High temperature-resistant bearings with longer grease life
- Suitable for environmental protection
- Wide frequency motor with IP54,CALSS F
- Passed CE,CCC,test
- Air capacity:from 40m3/h to 2500m3/h
- Pressure:from 60mbar to 1040mbar
6. Accessories:
We also have some parts for your application, if you need, welcome to tell me.
Air filter: Filter the dust particles, apply to a bad environment.
Pressure relief valve: Control gas pressure, prevent excessive pressure, damage the machine.
Silencer: reduce blower noise 5-10db, apply to a quiet environment.
7. Application:
1. Pneumatic conveying systems.
2. Vacuum lifting systems.
3. Fish and shrimp pond oxygen supply.
4. Wastewater treatment and electroplating pool aeration.
5. Packing and printing machines.
6. Bottle drying system with air knife.
7. Dental vacuum suction machine and medical equipments.
8. Textile machines.
9. Smoke extraction in industry or kitchen.
10. Food processing drying .
11. Vegetable washing machine.
12. Industry vacuum clenaer.
13. Soil remediation
3KW≥Ring blower, we will pack it in high quality and high strength cartons.
3KW<Ring blower, we will pack it in strong wooden carton.
Shipping way: By sea or By air or By your agent in China.
1. What is the warranty of your machine?
R: 18 months, any product itself question,you can contact with us.
2. What is the material of your machine , is oil free?
R: our machine is aluminum alloy, motor is 100% copper coil , of course, we are oil free.
3. How to operate your machine?
R: Connect with wire, and turn on the power, so you can use it directly, about the wiring method, we will tell you how to do according to your voltage, so at first , you need to tell us your voltage and phase,its important.
4. You are trading company or manufacture?
R: We are manufacture, we can provide long-term supply with fast speed.
5. How to contact with you?
R: You can send messages to me directly by alibaba trade manager, or add me like below
Welcome to contact with us
Wechat/WhatsApp: 0086-18823126158
Email/Skype: luomeiele(at)163.com
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Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–9 piece: US $699 / piece
- 10+ piece: US $650 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this ring blower?
The standard minimum order quantity is 1 piece. 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.
Can the ring blower be supplied for my local voltage?
The standard configuration is 380V. 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 Foshan Luomei Electric Technik Co.,ltd, based in China. The company 10 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Foshan Luomei Electric Technik Co.,ltd range on HVACR Nexus.
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