Accessories
PL
Overpressure shutter made of plastic material
Characteristics:
• The overpressure shutter fits directly onto the wall.
• Several fittings for round and rectangular ducts.
• Aperture by overpressure due to air flow.
• Closed when the fan is at rest.
• Construction in plastic material.
• Recommended maximum speed of 12m/sec., for models 80, 90 and 100.
• Models 56, 63, 71 and 80: are supplied in two parts.
• Models 90 and 100: are supplied in three parts.
• The overpressure shutter fits directly onto the wall.
• Several fittings for round and rectangular ducts.
• Aperture by overpressure due to air flow.
• Closed when the fan is at rest.
• Construction in plastic material.
• Recommended maximum speed of 12m/sec., for models 80, 90 and 100.
• Models 56, 63, 71 and 80: are supplied in two parts.
• Models 90 and 100: are supplied in three parts.
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