Automatic engagement and disengagement of the manual override mechanism.

Simple plug-and-play connector connection; terminal block available as an option

Position limit switching, torque limit switching, and resistive position transmitter (optional).

High-precision planetary gearbox with full IP68 protection.

Three-phase electric motor.

introducing
our
actuators

Main areas of application

Power Generation and Power Plants

Control of valves for steam, feedwater and cooling water systems, as well as flue dampers and other applications in conventional and nuclear power plants (primary and secondary circuits).

Water Supply and Wastewater Treatment

Flow control in wastewater treatment plants, water treatment facilities and distribution networks, including the operation of valves, gates and dampers.

Oil and Gas Industry

Automation of long-distance oil and gas pipelines, process control in refineries, and operation of high-pressure valves.

Variantions

Servo Actuator Series by Application and Torque Range

Basic Nuclear Intelligent

60 nm 120 nm

60 nm

bST06

Automatic engagement and disengagement of the manual override mechanism. Simple plug-and-play connector connection, with terminal block available as an option. Position limit switching, torque limit switching, and a current position transmitter (optional). High-precision planetary gearbox with full IP68 protection. Three-phase electric motor. Robust all-aluminium construction made from EN AW-6061 aluminium alloy.

Torque range	7–60 Nm
Output speed range	1,5–80 rpm
Revs output range	as required
Supply voltage	3×400 V
Protection level – EN 60529	IP68

bST06 brochure download

bST012

Torque range	30–120 Nm
Output speed range	1,5–80 rpm
Revs output range	as required
Supply voltage	3×400 V
Protection level – EN 60529	IP68

bST12 brochure download

nST06

Automatic engagement and disengagement of the manual override mechanism. Simple plug-and-play connector connection, with terminal block available as an option. Position limit switching, torque limit switching, and a resistive position transmitter (optional). High-precision planetary gearbox with full IP68 protection. Three-phase electric motor. Robust all-aluminium construction made from EN AW-7022 aluminium alloy.

Torque range	7–60 Nm
Output speed range	1,5–80 rpm
Revs output range	as required
Supply voltage	3×380 V
Protection level – EN 60529	IP68
Nuclear power plant version for the primary circuit in accordance with NP-068-05 (new OTT87 standard)

nST06 brochure download

nST12

Automatic engagement and disengagement of the manual override mechanism. Simple plug-and-play connector connection, with terminal block available as an option. Position limit switching, torque limit switching, and a resistive position transmitter (optional). High-precision planetary gearbox with full IP68 protection. Three-phase electric motor. Robust all-aluminium construction made from EN AW-7022 aluminium alloy.

Torque range	30–120 Nm
Output speed range	1,5–80 rpm
Revs output range	as required
Supply voltage	3×380 V
Protection level – EN 60529	IP68
Nuclear power plant version for the primary circuit in accordance with NP-068-05 (new OTT87 standard)

nST12 brochure download

iST06

Automatic engagement and disengagement of the manual override mechanism. Simple plug-and-play connector connection with extensive communication options. Asynchronous electric motor controlled by a variable frequency drive (VFD). High-precision planetary gearbox with full IP68 protection. Intelligent iSAC electronics featuring intuitive single-button operation and a wide range of actuator parameter settings. Robust all-aluminium construction made from EN AW-6061 aluminium alloy.

Torque range	7–60 Nm
Output speed range	1,5–60 rpm
Revs output range	0,5–100 rotates
Supply voltage	1×230 V
Protective level – EN 60529	IP68
Actuator control	iSAC with frequency converter