Overview
The Siemens SKP25.001E1 is an electro-hydraulic actuator designed for use with gas valves in industrial and commercial combustion systems. It functions as a safety shut-off device and a constant pressure governor, providing reliable valve operation and rapid fail-safe closure. This single-stage actuator is engineered to work in combination with various Siemens gas valve bodies to regulate outlet pressure, ensuring precise control and optimal burner performance.
Features
- Combined safety shut-off and constant pressure regulation in a single compact unit
- Integrated end switch (Proof of Closure) for electrical indication of the fully closed position
- Slow opening and rapid fail-safe closing mechanism (less than 0.8 seconds)
- Maintenance-free electro-hydraulic operation with a visible stroke position indicator
- Durable design suitable for gases of gas families I through III and air
- Low power consumption during continuous operation
Specifications
- Model: SKP25.001E1
- Operating Voltage: AC 100 V to 110 V (50/60 Hz)
- Pressure Regulation: Constant pressure governor up to 22 mbar (standard spring)
- Power Consumption: Maximum 10 VA (13.5 VA during stroke)
- Protection Rating: IP54
- Operating Temperature: -10 C to +60 C
- Weight: Approximately 1.6 kg (3.5 lbs)
- Opening Speed: Approximately 2 mm/s
Applications
- Industrial and commercial forced draft gas burners
- Boilers, ovens, and dryers requiring precise pressure regulation
- Process heating systems using Siemens VGG, VGF, VGD, VRD, or VRF valve bodies
- Atmospheric burners in modulating or multistage operation
- Safety-critical fuel trains where rapid shut-off and regulated gas pressure are required


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