The new spring-return actuators NF/SF. safe, strong, reliable
Published: 25 August, 2011
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The new generation of spring-return actuators from Belimo is based on the proven technology of the legendary AF actuators. With powerful torques of 10 and 20 Nm, respectively, the NF and SF types ensure absolute reliability, not only in standard mode but also in the event of an emergency.
Two housing shells, welded together with ultrasound, reinforced with steel plates and hollow pillars, provide them with non-permeability and stability. In the event of a voltage interruption, the dampers or valves coupled with the actuator are moved automatically into the predefined emergency setting position. This means that your systems are reliably protected against expensive damage caused by frost, water and steam.
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