50HP Energy Saving Permanent Magnet VSD Screw Air Compressor 8 Bar 6.8m³/Min

This 50HP permanent magnet variable speed screw air compressor delivers 6.8 m³/min at 8 bar, saving up to 35% energy compared to traditional fixed-speed models.

  • Working Pressure:7~13[ bar ]101.5~188.5[ psig ]
  • Free Air Delivery:70.6~226[ cfm ]2~6.4[ m3/min ]
  • Working Power:37[ kw ]50[ hp ]

Product Details

RK50APM (2).jpg

Key Features & Advantages

  • High Energy Efficiency

    IE4 permanent magnet motor combined with VSD technology saves 20%-35% electricity compared to fixed-speed compressors.

  • Precise Pressure Control

    Inverter regulates motor speed in real time, keeping pressure fluctuation within ±0.1 bar for stable production quality.

  • Ultra-Quiet Operation

    Runs at just 65±2 dB(A), significantly quieter than conventional compressors - ideal for indoor installation.

  • Direct-Drive Transmission

    No belts or gears, eliminating transmission loss and reducing maintenance frequency.

  • Compact & Space-Saving

    Small footprint design fits easily into tight workshop layouts.

  • Heavy-Duty Reliability

    Rugged cast-iron housing, high-quality bearings, and intelligent control system ensure long-term trouble-free operation.

  • Smart Controller 

    User-friendly touchscreen display with real-time monitoring, fault alarms, and auto-restart functions.

Technical Parameters

Intelligent PM VSD Screw Air Compressor
ModelAir Delivery (m3/min)Power
(kW/hp)
Noise
dB(A)
Outlet
diameter
Dimensions (mm)
Weight
(kg)
8 bar10 bar13 barL * W * H
RK10APM0.5-1.20.4-1.00.3-0.77.5/1063 G1/2900*650*860180 
RK15APM0.6-1.70.5-1.60.4-1.011/1565 G3/41150*750*960300 
RK20APM1.0-2.40.8-2.10.7-1.715/2065 G3/41150*750*960320 
RK30APM1.5-3.71.3-3.21.1-2.822/3068 G11350*850*1110430 
RK40APM2.0-5.01.6-4.01.4-3.430/4068 G11350*800*1110460 
RK50APM2.5-6.42.2-5.62.0-4.937/5069 G1 1/21500*1000*1350650 
RK60APM3.0-7.32.4-6.62.3-5.945/6070 G1 1/21500*1000*1350730 
RK75APM3.8-9.53.5-8.73.0-7.355/7570 G2 1/21700*1210*1550950 
RK100APM5.1-12.84.5-11.33.7-9.275/10072 G2 1/21700*1210*15501050 
RK125APM6.2-15.55.4-13.65.0-12.590/12572 G2 1/22100*1420*16501420 
RK150APM7.8-19.97.1-17.86.2-15.5110/15072 DN802600*1900*18902200 
RK175APM9.3-23.27.8-19.77.1-17.8132/17572 DN802600*1900*18902400 
RK220APM11.1-28.59.2-23.08.0-21.5160/22072 DN1003250*2100*22003650 
RK250APM12.5-31.211.0-28.010.3-25.8185/25072 DN1003250*2100*22003950 
RK275APM13.6-34.012.2-30.511.2-28.0200/27576 DN1003250*2100*22004200 
RK300APM14.0-41.512.8-33.012.0-30.0220/30076 DN1253800*2300*22004600 
RK350APM16.6-44.015.2-41.014.0-34.9250/35076 DN1253800*2300*22005900 
RK375APM20.2-50.618.4-46.016.6-41.5280/37582 DN1253800*2300*22006000 
RK420APM22.2-55.920.0-50.116.8-42.0315/42082 DN1504300*2300*24307800 
RK420WPM22.2-55.920.0-50.116.8-42.0315/42082 DN1504200*2300*24307500 
RK475APM26.0-65.422.0-55.118.4-46.0355/47585 DN1504300*2300*24308200 
RK475WPM26.0-65.422.0-55.118.4-46.0355/47582 DN1504200*2300*24307900