4-in-1 All in One Variable Speed Screw Air Compressor Ctg Series 7.5kw 11kw 15kw 22kw

4-in-1 All in One Variable Speed Screw Air Compressor Ctg Series 7.5kw 11kw 15kw 22kw. Variable Speed Drive: Adjusts motor speed to match demand, saving energy and reducing noise. Permanent Magnet Motor: High efficiency up to 15-35% better than asynchronous motors at light load. Single Stage Compression: Oil-cooled design with Ndfeb magnetic steel for high temperature resistance. Compact Structure: Small size and light weight with reliable direct drive and no speed slip. Rear Exhaust Design: Fans suck air instead of blowing, reducing noise and preventing dust blockage. Stainless Steel Pipes: Durable oil and gas pipes made of stainless steel or imported hoses. New Oil-Cooled Motor: Mold-formed with no welding points and uniform cooling oil passage. High Starting Torque: Overload capacity 3 times higher than rated torque compared to 1.6 times for standard motors.