Belimo Damper actuator Belimo NM-A for operating air control dampers in ventilation and air-conditioning systems for building services installations. Thewy may be used for fitting ball valves

• Simple direct mounting on the damper spindle with a universal spindle clamp, supplied with an anti-rotation strap to prevent the actuator from rotating
• Manual operation is possible with the pushbutton (the gearing latch remains disengaged as long as the pushbutton is pressed or detented).
• Adjustable angle of rotation with mechanical end stops
• High functional safety. The actuator is overload-proof, requires no limit switches and automatically stops when the end stop is reached.