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6: Supporting a full load of 6 amps (up to 7 amps with 3 wire configuration)
the intumescent material expands inward to seal the duct opening
Engineered for reliable performance
Standard lengths typically 1–2 × internal diameter
Bird Beak with Mesh and Seal Dampers 6: Supporting a full loadAir outlets with 45 degree inclination and protection grill with mesh Manufactured from corrosion resistant galvanised steel as standard Complies with HVCA specification DW144 Suitable for high, medium, and low pressure systems The integrated EPDM rubber seal provides an airtight connection without additional sealants, achieving high duct airtightness. Designed with a double lip, the factory installed seal offers long term elasticity, resistance to
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