• Nominal diameter: 500 mm. • Reinforced circular panel integrating the shaped inlet cone, epoxy powder coated, granting long-term resistance against atmospheric agents. • 4-pole, three-phase, AC motor, insulation class F, IP55 protection. Power supply: 230 - 400 V / 50 Hz. • Variable pitch impeller with blades made of polyamide reinforced with fiberglass. • Maximum continuous operating temperature: +60°C.