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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
 
Volume Damper
 
Construced of galvanized steel sheet 0.9 mm. thick , for frame , jambs and blades , high strength structure , blades can be adjusted manually from full open to full close in opposed pattern for high effictiveness in air volume control performance . Lockable crank arm for manually adjusting the blades , and scale plate for indicating the blade position settings , are also completely equipped , one type (VD). Applications for mounting to duct line , building sidewall or shaft for control volume of supplied , exhausted , fresh or pressurized air manually .
 
Type - VD
 
Partirl open Full Close
 
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