
The product page for AF-133 mentions the following standards and certifications: - **ISO 9001**: Quality management system certification. - **UL181**: Standard for factory-made air ducts and air connectors. - **EN 13180**: European standard for ventilation for buildings—ductwork—dimensions and mechanical requirements for flexible ducts. - **BS**: British Standard. - **M1**: Fire classification indicating limited combustibility. - **M0**: Fire classification indicating non-combustibility. These standards and certifications are referenced in the product's technical specifications and quality certifications.
Non-insulated flexible duct made of white PVC, supported by a bronze-coated wire helix. Suitable for temperatures from -30°C to +70°C, with a maximum pressure of 3000 PA and maximum air velocity of 30 m/s.
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