QT4000 is Eltorque`s largest actuator and is suitable for heavy-duty applications. With an operating torque of up to 4000 Nm it will handle up to DN800 valves. The QT4000 is available with Digital, Analog, MODbus and CANbus interfaces.




Min-max torque 2500 – 4000 Nm
Min-max closing time 0-100% / 0-90  45 – 140 sec
Valve spindle adapter 46x46mm
Valve flange F16 (According to ISO5211)
Valve applications Butterfly or ball valves with part-turn operation.
Examples butterfly valves: DN600-DN800 PN16



Weight 78 kg
Dimensions H/W/D 540/247/247 mm
Encapsulation IP68 (5m 1hr) – Corrosion protected aluminum enclosure
Color Black
Operating conditions -25 to +55°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-temperature. Stator coils utilized as heating elements in case of low temperatures.

Products datasheet

Datasheet QT4000

Brochures and manuals

User Manual QT4000 rev 2.2

3D-model and drawing

QT2500 QT4000 Drawing

QT4000 3D

QT4000 .EPRT file