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PM Variable Speed Screw Air Compressor

1. IE4 permanent magnet motor, energy saving up to 20%-40%.
2. Constant pressure air supply, stable operation.
3. Intelligent remote control.
4. Well-known bearings, long lifespan.
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Product Introduction

The permanent magnet variable frequency screw compressor is an advanced air compressor that combines a permanent magnet synchronous motor (PMSM), variable frequency drive (VFD), and twin-screw air compression technology. It represents an upgrade from traditional screw compressors, offering key advantages such as high energy efficiency, excellent variable load capability, and reduced operating noise.


Product Advantages

1. RKM Series adopts intelligent frequency conversion technology, energy saving up to 42%.

2. Excellent oil air separation performance, outlet oil content is less than 2 ppm.

3. World famous brand inverter with global warranty.

4. Super IE4 class, IP55 protection grade, 97% efficiency energy-saving PM motor. It is also equipped with independent cooling fan, ensure trouble-free in all weather conditions.

5. Double filtration system, remove impurities and particles in the suction air, longer life of the air end and lubricating oil.

6. Highly automated controller, suitable for variety hard environment conditions.


Product Parameters

Model Air Delivery (m3/min) Power (kW/hp)

Noise

dB(A)

Outlet diameter Dimensions (mm) Weight (kg)
8 bar 10 bar 13 bar L * W * H
RK10APM 0.5-1.2 0.4-1.0 0.3-0.7 7.5/10 63 G3/4 700*600*860 180
RK15APM 0.6-1.7 0.5-1.6 0.4-1.0 11/15 65 G3/4 1000*750*1070 300
RK20APM 1.0-2.4 0.8-2.1 0.7-1.6 15/20 65 G3/4 1000*750*1070 320
RK30APM 1.5-3.7 1.3-3.2 1.1-2.8 22/30 68 G1 1350*850*1120 430
RK40APM 2.0-5.0 1.6-3.9 1.4-3.4 30/40 68 G1 1350*800*1110 460
RK50APM 2.5-6.2 2.2-5.6 2.0-4.9 37/50 69 G1 1/2 1500*1000*1350 650
RK60APM 3.0-7.3 2.4-6.0 2.3-5.9 45/60 70 G1 1/2 1500*1000*1350 730
RK75APM 3.8-9.5 3.5-8.7 3.0-7.3 55/75 70 G2 1700*1220*1550 950
RK100APM 5.1-12.8 4.5-11.3 3.7-9.2 75/100 72 G2 1700*1200*1550 1050
RK125APM 6.2-15.5 5.4-13.6 5.0-12.5 90/125 72 G2 2100*1400*1650 1420
RK150APM 7.8-19.6 7.1-17.8 6.2-15.5 110/150 72 DN65 2500*1650*1900 2200
RK175APM 9.3-23.2 7.8-19.5 7.1-17.8 132/175 72 DN65 2500*1650*1900 2400
RK220APM 11.1-27.8 9.2-23.0 8.0-20.0 160/220 72 DN80 3000*1900*1950 3650
RK250APM 12.5-31.2 11.0-27.5 10.3-25.8 185/250 72 DN80 3000*1900*1950 3950
RK275APM 13.6-34.0 12.2-30.5 11.2-28.0 200/275 76 DN80 3000*1900*1950 4200
RK300APM 14.0-35.0 12.8-32.0 12.0-30.0 220/300 76 DN100 3600*2200*2200 4600
RK350APM 16.6-41.5 15.2-38.0 14.0-34.9 250/350 76 DN100 3600*2200*2200 5900
RK375APM 20.2-50.6 18.4-46.0 16.6-41.5 280/375 82 DN100 3600*2200*2200 6000
RK420APM 22.2-55.9 20.0-50.1 16.8-42.0 315/420 82 DN125 4600*2300*2430 7800
RK420WPM 22.2-55.9 20.0-50.1 16.8-42.0 315/420 82 DN125 4200*2300*2430 7500
RK475APM 26.0-65.4 22.0-55.1 18.4-46.0 355/475 85 DN125 4600*2300*2430 8200
RK475WPM 26.0-65.4 22.0-55.1 18.4-46.0 355/475 82 DN125 4200*2300*2430 7900

Applications of PM Variable Speed Screw Air Compressor

Widely used in textile, injection molding, automotive assembly, food filling and electronic manufacturing, spraying, precision electronics, chemical reaction and pharmaceutical production, electronics and laboratory, food and beverage, pharmaceutical, electronics and chemicals industries.

永磁变频机案例图

FAQ

Q1. What are the payment methods?

A: T/T, L/C, D/P, Western Union, PayPal, credit card, etc. We also accept USD, RMB, EUR, and other currencies.


Q2. What is your after-sales service like?

A: 1. We provide online installation and commissioning guidance.

2. We have trained engineers available for overseas service.


Q3. What is your warranty?

A: One-year warranty for the entire machine and two-year warranty for the screw airend, excluding wearing parts.


Q4. Do you have any certifications?

A: Yes, we can provide CE, ISO, and other certifications based on the market needs of different customers.


Q5. Do you offer OEM services?

A: Yes, we accept both OEM and ODM services.


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Email: Anna@rockymachinery.com
 Address: Room 604, #12, Powerlong Center, No.689 Xiwang Road, Jiading District, Shanghai, China
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