Closing DTU-RS 500 damper , sealed stainless

Has a turning circular blade with an EPDM-rubber seal which tightens against the inside of the damper when closed. The blade can be adjusted in a 0-90° angle. The cup at Ø 80-630 can be complemented with the special insulation cup IK at insulation thicker than 50 mm. The damper can be used for regulating at rare occations. There is a separate assembly, measuring, balancing and maintenance instruction for this product. Ø 80-315 fullfills pressure class C in closed position. Ø 355-630 fullfills pressure class B in closed position. Ø 710-1000 fullfills pressure class A in closed position.Motorizing The torque needed for the motorizing is given in the adjacent table. Ø710-1000 is not possible to motorize on site.