JL Multileaf Dampers, airtight in accordance with DIN 1946-4 and leak tightness class 4 according to EN 1751 at 100 [Pa] static pressure difference, are control and shut-off dampers made of galvanized sheet steel for ventilation systems, especially suitable for hospitals. The sealed, opposed hollow blades profiled for optimum flow and connected via external linkage turn in special brass bushings on a 180 mm long frame with canted connection flanges. Actuation is either manual by way of adjusting levers or with electrical actuators.
Sizes (W x H): 200 mm x 180 mm to 2000 mm x 1995 mm
This product has been awarded the hygiene certificate (...).