- Rolled sheet steel support frame. Corrosion-proof finish in polyester resin, polymerised at 180oC.
- Aluminium sheet impeller.
- Motor for models 20, 25, 30 and 35: Single phase, 4-pole shading ring 230V, closed construction, IP-44, Class B self-protective and self-lubricated.
- Working temperature -30oC to 60oC.
- Motor model 40: Single phase, asynchronous motor with squirrel-cage rotor and ball bearings, 230V.
- IP-54, Class F.
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