Butterfly damper 1.made from galvanized steel. It is used to adjust airflow in the ductwork or at the neck of the diffuser. Sizes available: 150mm(6"), 175mm(7"), 200mm(8"), 250mm(10"), 305mm(12"), 355mm(14") and 406mm(16")Standard color:...

ventilation door grille 1.with an aluminum construction with a backing frame to suit door thickness of 33MM to 48MM. ventilation door grille, with an aluminum construction with a backing frame to suit door thickness of 33MM to 48MM, are used in doors where constant air transfer...

Door grille 1.with an aluminum construction with a backing frame to suit door thickness of 33MM to 48MM. 2.available sizes Door grille, with an aluminum construction with a backing frame to suit door thickness of 33MM to 48MM, are used in doors where constant air transfer with...

door grille 1.with an aluminum construction with a backing frame to suit door thickness of 33MM to 48MM. door grille , with an aluminum construction with a backing frame to suit door thickness of 33MM to 48MM, are used in doors where constant air transfer with non-vision is...

door ventilation grille 1.with an aluminum construction with a backing frame to suit door thickness of 33MM to 48MM. door ventilation grille,with an aluminum construction with a backing frame to suit door thickness of 33MM to 48MM, are used in doors where constant air transfer...

aluminium egg crate 1.made from aluminum material Customized egg crate sizes and colors are also available upon request. aluminum egg crate is made from aluminum material, and can be used in diffusers, grilles and light fixing.aluminum egg crate in the following...

intake air vent 1.Exhaust valve can be sidewall mounted or directly on rectangular or round ducts.exhaust valve. intake air vent is designed for use in entertainment and industrial areas. They are also suitable for air-conditioning or ventilation applications. Airflow can be...

flexible duct 1.consists of sleeve, insulation and core. 2.material:aluminium foil 3.package:PE flexible duct is specifically produced for low and medium pressure heating, cooling, ventilation, exhaust and conditioning system.They are produced from multi layer aluminum...

Round Exhaust Valve 1.Exhaust valve can be sidewall mounted or directly on rectangular or round ducts.exhaust valve. Round Exhaust Valve is designed for use in entertainment and industrial areas. They are also suitable for air-conditioning or ventilation applications. Airflow can...

round volume damper 1.can be made according to customers requirement. round volume damper 1.according to customers requirement.2.Customized sizes and design can be made upon request.Zhaoqing Grandaire Air conditioning Co.,Ltd has been established for 18 years and is specialized...