Overview
The Siemens SKP25.001E2 is a high-performance electro-hydraulic actuator designed to provide both safety shut-off and gas pressure regulation for industrial and commercial burner systems. This multifunctional unit serves as a constant pressure governor, ensuring a stable gas supply by maintaining a consistent downstream pressure regardless of fluctuations in the inlet pressure. It is engineered for single-stage operation and includes an integrated end switch (Proof of Closure) for enhanced system safety and feedback.
Features
- Combined safety shut-off and pressure regulating functions in a single compact unit
- Integrated end switch for electrical indication of the fully closed valve position
- Damped opening and rapid fail-safe closing in less than 0.8 seconds upon power interruption
- Visible position indicator and “Power On” light for easy monitoring of operation and stroke
- Low power consumption and durable construction suitable for continuous operation
- Modular design allows for 360 degree rotation to simplify field wiring and installation
- Suitable for use with air and gas families I, II, and III
Specifications
- Model: SKP25.001E2
- Operating Voltage: AC 220 V to 240 V (50/60 Hz)
- Power Consumption: Maximum 13.5 VA
- Pressure Regulation Range: Up to 22 mbar (with standard factory spring)
- Opening Time: 6 to 10 seconds (depending on valve size)
- Closing Time: Less than 0.8 seconds
- Protection Rating: IP54
- Operating Temperature: -10 C to +60 C
- Weight: Approximately 1.6 kg (3.5 lbs)
Applications
- Industrial and commercial gas-fired combustion plants
- Control of gas burners in boilers, ovens, and dryers
- Use with Siemens gas valve bodies including VGG, VGF, VGD2, VGD4, and VRF series
- Systems requiring constant gas pressure regulation and reliable safety shut-off
- 1:1 air/gas ratio regulation or zero governor applications when properly configured


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