Siemens GNP191.1P Damper Actuator Fast Acting Fail Safe 53 lb-in,
coupled fail safe/fail-in-place electronic actuators are
available in modulating, two-position, and floating control
for laboratory fume hoods, supply and exhaust units.
Applications
Used in laboratory fume hoods, constant or variable air
volume installations for the control of supply and exhaust
air terminals; 53 lb-in (6 Nm) torque.
Models designe for applications that require the damper
to return to a fail-safe position when there is a power
failure; or models for fail-in-place.