Product Overview
The Siemens SIPART PS2 is a smart electropneumatic valve positioner designed for accurate positioning of pneumatic linear and rotary control valves. It is widely used across the marine, offshore, oil & gas, power generation, chemical, pharmaceutical, and industrial sectors.
The device automatically calibrates itself, provides advanced diagnostics, and helps improve valve performance while reducing maintenance costs. It supports a wide range of communication protocols and is available in several enclosure options for standard, marine, and hazardous-area applications.
Key Features
Digital electropneumatic valve positioner
Suitable for linear and rotary actuators
Automatic self-calibration
Intelligent valve diagnostics
Partial Stroke Test (PST)
Valve Signature Analysis
Low air consumption
Local LCD display
Modular construction
Marine approvals available
Hazardous area (Ex) versions available
Bluetooth remote operation (optional)
Stainless steel enclosure option
HART communication
PROFIBUS PA
FOUNDATION Fieldbus
IP66 / NEMA 4X protection
ATEX / IECEx approvals available
Technical Specifications
Input Signal
- 4–20 mA
- HART
- PROFIBUS PA
- FOUNDATION Fieldbus
Air Supply
- Instrument Air
Protection
- IP66
- NEMA 4X
Operating Temperature
- –30°C to +80°C
- Optional –40°C version
Stroke Range
- Linear: 3–130 mm
- Rotary: 30°–100°
- Optional up to 180°
Air Consumption
- Extremely low (approximately 0.01 Nm³/h in the controlled state), helping reduce operating costs.
Available Enclosures
- Polycarbonate
- Aluminium
- Stainless Steel
- Flameproof Aluminium
- Flameproof Stainless Steel
Typical Applications
- LNG Carrier
- Oil Tanker
- FPSO
- FSRU
- Chemical Tanker
- Offshore Platform
- Refineries
- Petrochemical Plants
- Power Plants
- Water Treatment Plants
Industries
- Marine
- Offshore
- Oil & Gas
- Petrochemical
- Power Generation
- Pharmaceutical
- Chemical
- Water & Wastewater

