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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.


QT4000 standard

Min-max torque 2500 - 4000 Nm
Min-max closing time 0-100% / 0-90  45 - 140 sec
Valve spindle adapter


Valve flange F16 (According to ISO5211)
Valve applications

Butterfly or ball valves with part-turn operation. 
Examples butterfly valves: DN600-DN800 PN16

Physical Properties

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.

For detailed technical information, download the Product Datasheet.