Overview
The Siemens SKP25.013U1 is a multifunctional electro-hydraulic actuator designed for use with Siemens VG series gas valve bodies. It integrates safety shut-off and gas pressure regulation into a single compact unit, streamlining gas train design by reducing the number of required components and fittings. This actuator is engineered for industrial and commercial burner applications and is known for its slow opening and immediate closing upon power interruption, ensuring operational safety. It can also function as a 1:1 air/gas ratio regulator or a zero governor when properly configured.
Features
- Integrates safety shut-off and pressure regulation in one unit
- Slow-opening and fast-closing (<0.8 seconds) mechanism for enhanced safety
- Modular design compatible with all VG series gas valve bodies from 1/2-inch to 6-inch
- 360-degree actuator rotation for flexible field wiring and installation
- Visual position indicator and “power-on” light for real-time status monitoring
- Low power consumption (13.5 VA)
- Optional NEMA 4 protection rating with the use of a sealing gasket
- UL listed, FM approved, and CSA certified
Specifications
- Voltage: 110 to 120 Vac (50/60 Hz)
- Power Consumption: 13.5 VA
- Closing Time: Less than 0.8 seconds
- Opening Time: Approximately 14 seconds for maximum stroke
- Output Force: 100 lb (450 N)
- Maximum Stroke: 1 inch (26 mm)
- Ambient Operating Temperature: 5 F to 140 F (-15 C to 60 C)
- Switch Configuration: No auxiliary or proof-of-closure switches included
- Weight: Approximately 3.5 to 4.0 lbs
Applications
- Safety shut-off control for industrial and commercial burner systems
- Gas pressure regulation in burner manifolds
- 1:1 air/gas ratio regulation or zero governor applications
- HVAC and boiler systems requiring precise gas flow and pressure control
- Compatible with gas-fired equipment using VGG, VGD, and VGF series valves



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