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QCDD Approval (FR) Page 1QCDD Approval (FR) Page 2

IFC Certificate 2 (Fire Rated)
IFC Certificate (Fire Rated Ducts)

DVAC Sand Trap Louvers have been tested and conducted by the Testing Engineers
of M/s. THOMAS BELL-WRIGHT International Consultants on March 17th 2016,
for the Sand Rejection & Pressure Drop, carried out in accordance with the British
Standards “EN 13181:2001”.

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DVAC Sound Attenuators have been tested and certified in accordance to ASTM E477-06A; Dynamic Insertion Loss and Self Noise Acoustic Performance Data were obtained in AMCA (USA) test facility, using the duct-to-room reverberant test facility with air flowing through the Silencers.



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