Ningbo Aier Ventilation Equipment Co., LTD.
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  • Iris Damper Iris Damper Including Iris Damper, IRIX Damper. Installed at the connection of two sections of ventilation ducts, the main function is to adjust the air flow in the duct.
  • Iris Damper (ID) Iris Damper (ID) Specifications:Iris damper for air volume control of circular duct.Body and valve are made of galvanized steel DX53D + Z275 or stainless steel 316.Gasket: double lips EPDM rubber.Plastic regulator nut...
  • Casting Type Aluminum Louver Casting Type Aluminum Louver This is a new product we launched after the standard pressed type aluminium louver, which is to provide one more option to our customers.Comparing to the original design, we have made innovative impro...
  • Aier Ventilation Company Introduction Aier Ventilation Company Introduction
  • Swirl Diffuser (SD-CA) Swirl Diffuser (SD-CA) Specifications:Swirl diffuser with plastic adjustable blades (spiral-shape)Material: SPCC steel.Finish: RAL9010, RAL9016 or RAL9003, as per customer request.The swirl diffuser SD-CA be used for either supply or...
  • Curved Access Door (CAD) Curved Access Door (CAD) Specifications:Curved access door for maintenance of circular ducts.Material: galvanized steel.Bolts/Nuts: mild steel and zinc coating.Gasket: cellular sponge gasket or PUR gasket.Locking knob: availa...
  • Ventilation Pipe Clamps Without Rubber (PCOR) Ventilation Pipe Clamps Without Rubber (PCOR) Specifications:Ventilation pipe clamps without rubber.Material: galvanized steel.Quick lock system on one side from 80-400mm.Locking screw M6x20mm from 80-400mm, M10x25mm from 450-1250mm.Hex nut M8/M1...
  • Damper Regulator (DQS12) Damper Regulator (DQS12) Specifications:Item code: DQS12Material: SPCC with zinc plating.Damper regulators (quadrant/handle).For damper up to 700mm (30") diameter.Components: quadrant, handle, wing nut, washer & bolt...
  • Bracket for A/C Outdoor Unit (A-1 A-2 A-3 A-4) Bracket for A/C Outdoor Unit (A-1 A-2 A-3 A-4) Specifications:Model: A-1 A-2 A-3 A-4Color: RAL9002 RAL9003 or upon requestMaterial: steel
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  • About Us About Us Over 20 years of manufacturing experience
  • Ventilation Air Valves Ventilation Air Valves Including metal/plastic/stainless steel air valves and louver with different style to fit different environments and needs. Aier air valves adaptable to a variety of scenarios and uses.
  • Metal Air Valve-Exhaust (EAV) Metal Air Valve-Exhaust (EAV) Specifications:Material: valve body made of SPCC, mounting ring made of galvanized steel.Finish: RAL9010, RAL9016 or RAL 9003 as per customer request.The valve body is equipped with a cellular plastic...
  • Tabbed Access Door (Insulated Version) Tabbed Access Door (Insulated Version) We are very pleased to launch a new product – tabbed access door for rectangular ducting system, which has enhanced our access door assortment and also filled the gap of UK, US and Middle-East market...