G NEMA aluminium motor range covers product with output 0.50 Hp to 20Hp in frame sizes NEMA 56 to 256, by changing the standard end shield you can change it for flange or face version
Some of the benefits of aluminium over cast iron include high resistance to corrosion and atmospheric attack (except chlorine, sulphuric acid) and the fact that aluminium is approximately one third the weight of cast iron