Permanent magnet use high-srength NdFeB (neodymium iron boron) magnetic steel, high magnetic energyproduct and coercivity of NdFeB magnetic steel, make rare-earth permanent magnet motor have small size , lightweight , high ffient, good character etc, a series of advantages.
The Huada LGPM-10 is a 7.5kW (10hp) permanent magnet VSD screw air compressor built for small workshops and light-duty air demand, saving about 40% energy versus conventional models.
The Huada LGPM-20 uses an IE4 permanent magnet motor with IP54 totally-enclosed protection, delivering 35–45% energy savings at 15kW for lines demanding safety and efficiency.
The Huada LGPM-50 is an A-series 37kW high-efficiency PM servo screw compressor with low noise and intelligent constant-pressure supply, ideal for medium plants.
The Huada LGPM-30 is a 22kW permanent magnet servo screw compressor with NdFeB magnets and a direct-drive split structure, offering stable pressure and ~40% energy savings under frequent start-stop duty.