Systemair TUNE-R-250-1-M1 - Circ.damper, leak cl.A1,230V actuat.2/3-point

Tune-R is control damper for circular ducts. The special design allows external insulation up to 50 mm. The damper can be supplied in manual or motorized version with integrated position indicator. Design The damper is manufactured from galvanized steel sheet and is silicone free. All gaskets are manufactured from black rubber. Plastic bushings are from PPO material. All materials are flame retardant. It is available from dimensions 80-630 mm. Tightness class versions acc, to EN 1751 1 - Casing tightness class A & blade tightness class 1 (no rubber gasket on inlet and no rubber gasket on blade) 2 - Casing tightness class C & blade tightness class 1 (rubber gasket on inlet and no rubber gasket on blade) 3 - Casing tightness class C & blade tightness class 4 (rubber gasket on inlet and rubber gasket on blade) Actuator versions H - handle (hand operated) M0 - preparation for actuator M1 - 230V rotary actuator M2 - 24V rotary actuator M3 - 24V, 0-10V operated actuator M4 - 230V spring return actuator M5 - 24V ...