User Manual QT50 Doc ID 1321 version 2.0 Sept. 2018
Page 15 of 62
Product Description
QT50 is the smallest quarter-turn actuator in the Eltorque portfolio. It has been
used on a various of vessel types on butterfly and ball valves. It is equipped with
a magnetic position sensor that gives a correct position feedback, even after a
power outage. It can be manually operated by the means of a fixed hand wheel
located under the cover on top of the actuator without the need for external
tools.
QT50 actuator
The QT50 actuator is suitable for valves with torque requirements of 10 - 50 Nm,
it can be delivered with CANopen, Analog and Digital communication.
The actuator is designed to be operational during a temporary submerged
situation, see details for housing in Table 5: System performance parameters for
QT50 actuators on page 17.
Caution! Remember to have the actuator checked by Eltorque after all submerged
situations to keep the warranty.
Figure 2: QT50 mounted on valve
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