Introduction

Non-Return Dampers/Gravity Louvres

" AIRTRON" Non- Return are also known as Gravity Dampers/Back Draught Dampers/Pressure Relief Dampers.

The above Dampers are basically air operates, opening or closing dampers for air intake, discharge and or pressure relief vents in Airconditioning and Ventilation system.

SILENT FEATURES

#....Frame is maunufactures for high quality aluminium / galvanised sheet steel of 1.2mm thickness.

#....The blades are manufactured from high quality aluminium sheets of 0.5mm/0.7mm thickness.

#....The blades are fitted with nylon bushes to give rattle free and smooth performance.

#....The nylon bushes are used through galvanised steel rods to main frame for strong and rigid construction for smooth performance during variable air pressure

#....The frame is fitted internally with an aluminium / galvanised sheet steel angle to prevent over movement of the blade.

#....Additional centre Partition shall be provided if L or H dimension is more than 900mm.

AVAILABLE STANDARD SIZES

(any combination of L x H)

Other "H" sizes are available

in 50mm increments.