Flange gaskets - Import export

The DATL/DAT dampers are designed for cladding with up to 50 mm thick insulation. The DATL/DAT dampers are a good choice when the ductwork closure must be airtight. The damper closure position can be read on the 0° to 90° dial of the control handle. The damper closure opening ratio can be fixed with a screw. DAT — airtight shutoff damper DATL — airtight shutoff damper with gaskets at flanged ends All DATL/DAT dampers of diameter 355 mm or greater have the damper closure pivot provided with extra bracing. All DATL/DAT dampers of diameter 450 mm or greater are supplied with the KITDSH damper mechanism control lever. Standard dampers are made from galvanized steel sheet.

The SLEFL flexible silencer is made of the Alnor Flex perforated duct. The sound insulating layer is 25 mm thick and clad in aluminium and polyester. The silencer is connected to the ductwork with male flanges made of metal. The product is available in two length sizes, 600 mm and 1200 mm. Other silencer versions are available on request with EPDM gaskets, female flanges, or in other length sizes. Insulation Insulation material glass wool. Insulation type trimmed from reel, flexible. Temperature range 20°C to +140°C Thermal insulation performance of mineral wool λ = 0.034 W/mK at 24°C Pressure drop See the enclosed diagram. Fire resistance The silencers are made from fireproof materials.