Description
Siemens S55180-A154 0-10V NSR Equal Percent / Linear Valve Actuator
The Siemens S55180-A154 is a non-spring-return (NSR) valve actuator engineered for precise hydronic and HVAC valve control in commercial building automation systems. Featuring a 0–10 VDC control signal input, this actuator supports both equal percentage and linear flow characteristic curves, giving system designers and controls engineers the flexibility to match the actuator to the specific valve and application requirements.
Key Features
- 0–10 VDC control signal for smooth, proportional valve modulation
- Non-spring-return (NSR) operation — holds last position on power loss
- Selectable equal percentage and linear flow characteristics
- Designed for use in commercial building automation and HVAC hydronic systems
- Compact, robust construction for reliable long-term performance
- Compatible with Siemens Building Technologies valve bodies and control platforms
Application
The S55180-A154 is ideal for use in variable air volume (VAV) systems, fan coil units, air handling units, and hydronic heating and cooling circuits where accurate flow control is critical. Its dual flow characteristic selection makes it a versatile choice for both new construction and retrofit projects.
Why Choose Siemens Building Technologies
Siemens Building Technologies is a global leader in HVAC controls and building automation, delivering products engineered for precision, durability, and seamless integration with modern BAS platforms. The S55180-A154 reflects Siemens’ commitment to energy efficiency and reliable system performance.
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