Two-stage three-phase Tandem belt compressor with star delta starter suitable for high performance by professionals due to higher air intake and higher volumetric efficiency. It is equipped with two highly efficient 10 hp pumping units with cast iron cylinders with large manifolds and finned tubes for better air cooling and robust metal belt covers protecting moving parts. The 900-litre tank for a large air reserve with four sturdy support feet with vibration dampers make it stable in use.