SA-440V

4” SAND TrAP Louver

4″ deep extruded aluminum construction; frame with channel profile; corner joints mitered and mechanically fastened, with continuous recessed caulking channel each side; capable of long vertical spans, tested for sand rejection and for air performance as per BS EN 13181:2001 standard. 

AIRFLOW PERFORMANCE

  • Free Area:   28.6%

  • Airflow Classification – Class 3

  • Static Pressure Loss: Not more than (16 Pa) @ (2.6 m/s) Free Area Velocity 

SAND REJECTION PERFORMANCE

  • SA-440V sand trap louver is tested as per BS EN13181:2001 for air performance and for sand rejection efficiency subjected to wind-driven sand at an airflow speed of 20-25 m/s

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