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75kw 2 Compression Stage VSD Electric Energy Saving Air Compressor with PM motor







Host:
1.) Two-stage compression mainframe, large rotor and low speed.
2.) The upper and lower integrated design concept combines the primary compression rotor and the secondary compression rotor in one casing to achieve the highest compression transfer efficiency.
3.) The compression ratio of each stage is small, the leakage is smaller, and the volume utilization rate is high. The bearing has a small force and a long service life.
Intake system:
1.) Vertical straight-through air intake structure minimizes pressure loss, special air inlet sealing material, guarantees long service life, no wearing parts, reliable performance and long service life.
Piping system:
1.) The pipeline system adopts the American standard pipeline design. Due to the large inner diameter of the transportation pipe and the small flow resistance, the transportation rate is usually higher than the hose, stable, long service life and maintenance-free for life.
Permanent magnet motor:
1.) Variable frequency permanent magnet motor has the characteristics of high efficiency, high power factor, high efficiency interval, stable speed, zero slip and energy saving. Therefore, the permanent magnet frequency conversion equipment under the two-stage screw compressor can do more.
Controller:
1.) Using advanced microcomputer control to realize intelligent operation and humanized operation, the operation situation is clear at a glance.
2.) Equipped with advanced intelligent control system, various parameters such as pressure and temperature are continuously monitored, controlled and displayed according to preset values.
3.) With automatic fault alarm and protection function, store historical operation records in time.

Technical Parameter
| Model | LGM22A-II | LGM30A-II | LGM37A-II | LGM45A-II | LGM55A-II | LGM75A-II |
| Air Displacement(m3/min) | 4.1 | 6.1 | 7.2 | 10.2 | 12.5 | 16.1 |
| Working Pressure(Mpa) | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Compression stage | 2 | 2 | 2 | 2 | 2 | 2 |
| Motor power(kw) | 22 | 30 | 37 | 45 | 55 | 75 |
| Rotate speed(rpm) | 1480 | 1480 | 1480 | 1480 | 1480 | 1480 |
| Voltage(V/P/Hz) | 380/3/50 | 380/3/50 | 380/3/50 | 380/3/50 | 380/3/50 | 380/3/50 |
| Start | Soft start | Soft start | Soft start | Soft start | Soft start | Soft start |
| Driven | Direct | Direct | Direct | Direct | Direct | Direct |
| Connector size | G1-1/2" | G1-1/2" | G1-1/2" | G1-1/2" | G2" | G2" |
| Cooling method | Air Cooling | Air Cooling | Air Cooling | Air Cooling | Air Cooling | Air Cooling |
| Dimension(L*W*H)mm | 1785*1110*1435 | 1785*1110*1435 | 1785*1110*1435 | 1785*1110*1435 | 2215*1350 *1600 | 2215*1350 *1600 |
| Weight(kg) | 1200 | 1300 | 1350 | 1350 | 2000 | 2150 |
| Model | LGM90A-II | LGM110A-II | LGM132A-II |
| Air Displacement(m3/min) | 20 | 24 | 28 |
| Working Pressure(Mpa) | 0.8 | 0.8 | 0.8 |
| Compression stage | 2 | 2 | 2 |
| Motor power(kw) | 90 | 110 | 132 |
| Voltage(V/P/Hz) | 380/3/50 | 380/3/50 | 380/3/50 |
| Start | Soft start | Soft start | Soft start |
| Driven | Direct | Direct | Direct |
| Rotate speed(rpm) | 1480 | 1480 | 1480 |
| Connector size | DN80 | DN80 | DN80 |
| Cooling method | Air Cooling | Air Cooling | Air Cooling |
| Dimension(L*W*H)mm | 2702*1756*1984 | 2702*1756*1984 | 2702*1756*1984 |
| 2400 | 2700 | 3000 |
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Factory installed air compressor system connection diagram

It's better to purchase the needed whole equipments here,and we will advise the suitable machines to you.
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Our factory was founded in 1997,covers an area of 173,160 square meters,inside there are 70,000 square meters standard workshops. In May 25th 2016 Our factory signed a strategic cooperation agreement with Atlas Copco (China) Investment Co., Ltd. Under the agreement, Atlas Copco and our group will jointly develop, produce and sell mining & construction equipments.

1. How long is your air compressor & drilling rig warranty?
∗ 1 years for the whole machine after leave the factory
2. Do you provide After- sales service parts?
∗Of course, we have.
3.How long could your machine be used?
∗More than 10 years if have regular maintenance.
4. How is your machine quality?
∗All the machines must pass the strict test before leave factory.
And our factory has above 20 years manufacturing experience,can gurantee the quality.
5.Which payment term you accpet?
∗Now we will accpet TT,LC,Western Union,Trade Assurance online,Paypal,Cash,etc.
6.How about the delivery time?
∗Within about 1 week.
7.Can visit your factory?
∗Yes,welcome to our factory. We will treat you in China,and pick you up at airport.
We are near to Pudong Airport.
8.Are you a manufacturer?
∗We are trade offcie in Shanghaim,our factory is in Zhejiang.
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