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QT50 is the newest and most compact quarter-turn actuator from Eltorque. It is suitable for a wide range of small butterfly- and ball valves with an operating torque of 10-50 Nm. 

The QT50 is available with CANbus, Digital and Analog interfaces.

QT50 Standard

Min-max torque 10 - 50 Nm
Min-max closing time 0-100% / 0-90  5 - 15 sec
Valve spindle adapter


Valve flange F04, F05, F07 (According to ISO5211)
Valve applications

Butterfly or ball valves with part-turn operation. 
Example butterfly valves: DN25-DN80.


Weight 4,5 kg
Dimensions H/W/D 163/118/164 mm
Enclosure protection IP68 (10m 72hr) - Anodized aluminum and PC+ABS
Color Black
Operating conditions -25 to +70°C
Not designed for use on open deck of ship, outdoor close to salt water or exposure to corrosive chemicals.
Temperature protection Motor current is switched off in case of over-heating. Stator coils utilized as heating elements in case of low temperatures.

For detailed technical information, download the Product Datasheet.