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KAITAIN PMVF18 18.5kw Electric Motor Driven High Efficiency Silent ECO Permanent Magnet Variable Frequency Screw Air Compressor for Industrial
The high-efficiency PM variable frequency screw air compressor has advantages:
1. Have a high-efficient screw compression unit
2. Have a high-efficient PM synchronous motor
3. Have first-class PM variable control technology
The technical advantages of Kaishan PM variable frequency screw air compressor:
1. Energy-efficient advantage in screw air compression unit
The company's manager Dr. Tangyan is one of the world’s best-know air compressor experts, high-efficient screw main unit designed by Dr. Tangyan enables each of the company's screw air compressors to achieve national Grade one energy-efficient
2. High-efficient advantage in PM synchronous motor
As a result of the use of rare-earth PM materials, Kaishan PM synchronous motor possesses wide regulation range and better efficiency.
The high efficiency of PM synchronous motor generates very low heat itself, so it utilizes a fully enclosed design (levels of protection, IP65) with oil cooling system inside, so it has better reliability, higher efficiency, longer in its life time and lower noise (the operating noise of 37KW Kaishan PM variable frequency screw air compressor is as low as 65 db).
The heat-resisting temperature of Kaishan PM synchronous motor is up to 180℃, therefore, in any case it will not be demagnetized.
The rotor of Kaishan PM synchronous motor utilizes the rare-earth PM technology, the precision of speed adjustment is high, which greatly reduces the discharge pressure fluctuations of compressor.
3. Advantage in PM variable frequency control technology
The control technology of Kaishan PM variable frequency screw air compressor is the patented field weakening magnetic control, pressure control, as well as the simple and stable open-loop control of PM synchronous motor, can adapt to various inclement conditions, and the system is more stable. The PM variable frequency control technology achieved highly integrated control, combined with the control system of inverter and the screw air compressor, which provide more stable supply pressure.
The specification of Kaishan PM variable frequency screw air compressor:
| Model | Working Pressure | Capacity | Motor Power | Exhaust interface | Weight | Dimension | ||
| Mpa | bar | m³/min | kw | hp | kg | mm | ||
| PMVF7.5 | 0.6 ~ 0.9 | 6 ~ 9 | 1.10 ~ 1.31 | 7.5 | G1 | |||
| PMVF7.5 | 0.8 ~ 1.0 | 8 ~ 10 | 1.03 ~ 1.16 | 7.5 | G1 | |||
| PMVF11 | 0.6 ~ 0.9 | 6 ~ 9 | 1.66 ~ 1.98 | 11 | G1 | 380 | 1050*830*1240 | |
| PMVF11 | 0.8 ~ 1.0 | 8 ~ 10 | 1.57 ~ 1.76 | 11 | G1 | 380 | 1050*830*1240 | |
| PMVF15 | 0.6 ~ 0.9 | 6 ~ 9 | 2.37 ~ 2.88 | 15 | G1 | 380 | 1050*830*1240 | |
| PMVF15 | 0.8 ~ 1.0 | 8 ~ 10 | 2.25 ~ 2.52 | 15 | G1 | 380 | 1050*830*1240 | |
| PMVF18 | 0.6 ~ 0.9 | 6 ~ 9 | 2.99 ~ 3.61 | 18.5 | G1 | 480 | 1200*830*1290 | |
| PMVF18 | 0.8 ~ 1.0 | 8 ~ 10 | 2.80 ~ 3.15 | 18.5 | G1 | 480 | 1200*830*1290 | |
| PMVF22 | 0.6 ~ 0.9 | 6 ~ 9 | 3.61 ~ 4.22 | 22 | G1 | 480 | 1200*830*1290 | |
| PMVF22 | 0.8 ~ 1.0 | 8 ~ 10 | 3.37 ~ 3.79 | 22 | G1 | 480 | 1200*830*1290 | |
| PMVF30 | 0.6 ~ 0.9 | 6 ~ 9 | 4.84 ~ 5.77 | 30 | G1½ | 710 | 1300*1000*1540 | |
| PMVF30 | 0.8 ~ 1.0 | 8 ~ 10 | 4.58 ~ 5.15 | 30 | G1½ | 710 | 1300*1000*1540 | |
| PMVF37 | 0.6 ~ 0.9 | 6 ~ 9 | 6.28 ~ 7.42 | 37 | G1½ | 710 | 1300*1000*1540 | |
| PMVF37 | 0.8 ~ 1.0 | 8 ~ 10 | 5.95 ~ 6.70 | 37 | G1½ | 710 | 1300*1000*1540 | |
| PMVF45 | 0.6 ~ 0.9 | 6 ~ 9 | 7.73 ~ 9.27 | 45 | G1½ | 990 | 1500*1160*1700 | |
| PMVF45 | 0.8 ~ 1.0 | 8 ~ 10 | 7.31 ~ 8.24 | 45 | G1½ | 990 | 1500*1160*1700 | |
| PMVF55 | 0.6 ~ 0.9 | 6 ~ 9 | 9.99 ~ 11.95 | 55 | G1½ | 990 | 1500*1160*1700 | |
| PMVF55 | 0.8 ~ 1.0 | 8 ~ 10 | 9.43 ~ 10.6 | 55 | G1½ | 990 | 1500*1160*1700 | |
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