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หน้ากากแอร์
Damper
Volume Damper
Volume Damper ( Gear Type )
Butterfly Round Damper
Butterfly Round Damper ( Gear Type )
Fire Damper
Motorized Damper
Gravity Damper
Filter
Flex
Jet_Diffuser
 
Butterfly Round Damper
 
Constructed of galvanized steel sheet 0.9 mm .Thick , single round butterfly can beadjusted manually from full open to full close . Lock crank arm for adjusting the blade , and scale plate for indicating the blade position setting , are also completely equipped , one type ( BRD ) . Applications for connecting between flexible duct and diffuser plenum
 
Type - BRD
 
Full Close
 
Remark
standard size 3" - 60"
Long of size can be make to ordering
 
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