SIPART PS2 in compact design

One that masters everything

The SIPART PS2 has grown to become the most widely used positioner for linear and rotary actuators. Optionally available with Makrolon, aluminum, stainless or flameproof steel enclosure, the positioner is well-equipped for all ambient conditions. It has proved reliable in many valve control applications thanks to its diagnostics capability and extensive range of functions.

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More functions, more possibilities


  • Enhanced diagnostics options due to pressure sensors
  • Siemens Valve Monitoring App for comprehensive control and analysis options
  • Intelligent features (Partial Stroke Test, Fail-in-Place function, Fail-Safe function, Valve Performance Test) for higher plant availability and security


Type of construction
Setpoint signal
0/4–20 mA with / without HART 7 or PROFIBUS PA 3.02 / Foundation Fieldbus protocol ITK 6.0 with Link Active Schedular (LAS) Function
Range of stroke
3 to 130 mm (larger strokes on request)
Angle of rotation range
30° to 100° (optional 180°)
Ambient temperature
-30 °C to +80 °C (optional -40°C to 85°C)
Required air quality
Class 3 to ISO 8573-1
Max. air consumption in the controlled state
< 0.036 Nm³/h
Degree of protection
IP66, NEMA 4x, optional IPX9K
Certificates and degree of protection
Explosion protection: IECEx; ATEX; FM; CSA; NEPSI; INMETRO; EAC; KCS
Overall safety: CE; FM; UL
Functional safety: SIL2
Shipbuilding: ABS; BV; GL; LR; DNV

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Safety is key in the process industries. A failure in instruments relevant for safety may have serious implications for humans, the process and the environment. Therefore, a wide range of our process instruments come with on-board safety features for maximum risk reduction.


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