Galvanised steel ventilation grill ULMA / SGR / SHR / USUF / USAB SERIES

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Ventination grilles are available in several types: SGR for round ducts - made of hot galvanized sheet in a dimension range from 425 x 75 mm up to 825 x 225 mm. They are adjusted for mounting in round ducts of more than 160 mm in diameter. SHR for rectangular ducts - made of galvanized sheet powder painted white acc. to RAL 9016 in a dimension range from 200 x 100 mm up to 500 x 300 mm. They are equipped with double lamellas - verticular and horizontal ones enabling adjustment of air intake. They are mounted to T-pieces by means of clips or to a flat duct with use of the SHR-RM mounting frame. Inlet-outlef frame - ULMA, External frame - USUF, Acid-resistant connector with a mesh - USAB