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Model | Weight | Frequency | Voltage | Current | Rated Output | Noise | Max Airglow |
 | KG | Hz | V | A | KW | DB(A) | m³/h |
2LG 520-7HH46 | 27 | 50 | 200-240 â–³/345-415Y |
9.7 â–³/5.6Y | 2.2 | 68 | 230 |
60 | 220-275 â–³/380-480Y |
10 â–³/5.8Y | 2.55 | 69 | 275 |

Our advantages :
1. Adopt SKF & NSK bearing.
2. Use ADC12 aluminum alloy material.(same to BMW's wheel hubs)
3. Random installation( vertical or horizontal)
4. Insulation class: F, Protection class: IP54
5. 100% oil free air delivery ( Impeller connected to the motor directly, without any oil lubricating)Â
6. No routine maintenance (whithout wheel gear and belt,don't need to do maintenance towards those parts)
7. Quiet operation, low noise(adopt low noise motor, meanwhile inlay muffler is available if lower noise required)
8.Variable output control(pressure or vacuum)
9.Pulsation-free compression(use quakeproof footstand)
10.Long term durability(24H running)
11.Strictly tested before leaving the factory

Applications :
1. Aquaculture (fish and prawn pond aeration)
2. Waste water treatment, sewage treatment system.
3. Pneumatic conveying systems.
4. Lifting and holding of parts by vacuum.
5. Packing machines.
6. Filling of bags/bottles/hoppers.
7. Soil remediation
8. Food processing.
9. Laser printers
10. Dental suction equipment.
11. Paper processing.
12. Gas analysis.

Our service:
 Marketing Service
100% tested CE certified blowers.Special customized blowers(ATEX blower,belt-driven blower)Â for special industry.Like gas transportation,Medical industry...Professional advice for model selection and further market development.
After-sale Service
Experienced suggestion for blower installation and use.12 months warranty.Long-term technical support. China Manufacturer Top Quality High Pressure Vacuum Pump Price
Â
Model | Weight | Frequency | Voltage | Current | Rated Output | Noise | Max Airglow |
 | KG | Hz | V | A | KW | DB(A) | m³/h |
2LG 520-7HH46 | 27 | 50 | 200-240 â–³/345-415Y |
9.7 â–³/5.6Y | 2.2 | 68 | 230 |
60 | 220-275 â–³/380-480Y |
10 â–³/5.8Y | 2.55 | 69 | 275 |

Our advantages :
1. Adopt SKF & NSK bearing.
2. Use ADC12 aluminum alloy material.(same to BMW's wheel hubs)
3. Random installation( vertical or horizontal)
4. Insulation class: F, Protection class: IP54
5. 100% oil free air delivery ( Impeller connected to the motor directly, without any oil lubricating)Â
6. No routine maintenance (whithout wheel gear and belt,don't need to do maintenance towards those parts)
7. Quiet operation, low noise(adopt low noise motor, meanwhile inlay muffler is available if lower noise required)
8.Variable output control(pressure or vacuum)
9.Pulsation-free compression(use quakeproof footstand)
10.Long term durability(24H running)
11.Strictly tested before leaving the factory

Applications :
1. Aquaculture (fish and prawn pond aeration)
2. Waste water treatment, sewage treatment system.
3. Pneumatic conveying systems.
4. Lifting and holding of parts by vacuum.
5. Packing machines.
6. Filling of bags/bottles/hoppers.
7. Soil remediation
8. Food processing.
9. Laser printers
10. Dental suction equipment.
11. Paper processing.
12. Gas analysis.

Our service:
 Marketing Service
100% tested CE certified blowers.Special customized blowers(ATEX blower,belt-driven blower)Â for special industry.Like gas transportation,Medical industry...Professional advice for model selection and further market development.
After-sale Service
Experienced suggestion for blower installation and use.12 months warranty.Long-term technical support.
Copper die casting part is similar the aluminum die casting, the die casting machine also the same, but the life of Cu Die Casting Mould is very short, only about 10,000 shots, because the high melting point of copper alloy, it is easy make the mould aging.
The copper die casting, brass die casting production flow chart
Materials of copper alloy die-casting: Cu 59-1, Cu 63, Cu62;
The precision of the Cu die casting part: ±0.15mm;
Smoothness of rough part: Ra3.2;
Shrinkage rate of brass die casting products: 0.6%;
Material wastage rate: 6%;
Cu die-casting machining allowance: 0.5mm~0.7mm;
Surface preparation methods: Sand blasted, Shot blasting, Powder coating, Painting, Plating, Polishing.
Our company's production equipment and management system
copper die casting production equipment: L.K brand die casting machine From 160T, 200T, 280T, 400T,
CNC machining center: 6;
CNC lathe machine: 12;
Work days of one week: From Monday to Saturday;
Shift work: 2 shift per day;
Working hours: From AM 8:00 to PM 4:30;
2D and 3D drawing Software: AutoCAD, UG, Pro/E, SolidWorks 2015;
QC control: New type NANO CMM, FPI M5000 desktop metal analyzer, Mechanical properties tester.
My company`s strengths of Cu die casting, CNC machining, and QA control.
Copper alloy die casting parts
Copper die casting, brass die casting, Cu die casting, aluminium bronze die casitng, tin bronze die casting, beryllium bronze die casting
NINGBO BEILUN LEMA MACHINERY TECHNOLOGY CO.,LTD , http://www.china-lema.com