Product Overview

The Siemens GBB151.1U is a robust, non-spring return rotary air damper actuator designed for precise control of air dampers in HVAC and industrial ventilation systems. As part of Siemens’ proven GBB series, this actuator delivers reliable torque output for modulating and two-position control of dampers in air handling units, ventilation plants, and process air control applications. The GBB151.1U operates on 24 VAC/VDC power and provides a 0–10 VDC control signal interface, enabling seamless integration with building automation systems and industrial controllers. Its compact die-cast aluminum housing and self-centering shaft coupling ensure durable, maintenance-free operation in demanding environments.

Technical Specifications

ParameterSpecification / Feature
Component TypeRotary Air Damper Actuator (Electric Motor Actuator)
Model DesignationGBB151.1U
Operating Voltage24 VAC / 24 VDC
Control Signal0–10 VDC (Modulating) / Two-Position
Torque Output10 Nm (Standard Industrial Grade)
Rotation Angle0–90° (Adjustable Mechanical Range)
Mounting & ConnectionSelf-Centering Shaft Coupling, Standard ISO Interface
Enclosure RatingIP54 (Dust and Splash Water Protection)
Ambient Temperature Range-32°C to +55°C

Engineering Features & Advantages

  • Precision Performance: The 0–10 VDC modulating control enables accurate positioning of air dampers for optimal airflow regulation, improving energy efficiency and indoor air quality in ventilation systems.
  • Industrial Reliability: Built for continuous operation under severe industrial conditions with a die-cast aluminum housing, maintenance-free gear train, and overload protection to prevent damage from mechanical stalls.
  • Direct Fit Replacement: Exact dimensional and functional compatibility with original Siemens OEM standards, including self-centering shaft coupling for quick and secure installation on standard damper shafts.
  • Flexible Integration: Compatible with all major building automation systems via standard 0–10 VDC signal, with selectable rotation direction and adjustable mechanical end stops for application versatility.
  • Low Power Consumption: Optimized motor design reduces energy usage while maintaining full torque output, supporting green building initiatives and reducing operational costs.

Typical Industrial Applications

The Siemens GBB151.1U rotary air damper actuator is ideal for a wide range of heavy industrial and commercial scenarios, including: HVAC air

PRODUCT IMAGES

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SIEMENS GBB151.1U Rotary Air Damper Actuator

âš¡ Emergency Plant Maintenance & Ready-to-Ship Notice:

  • Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
  • Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
  • Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
  • Peace of Mind: Covered by our 12-Month Replacement Warranty.

Shop the genuine SIEMENS GBB151.1U Electric Globe Valve Actuator. This Germany-made 24V AC/DC hydraulic component features a motorized globe valve design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.

Tested Genuine Surplus / OEM Hydraulic Component
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Tested Genuine Surplus / OEM Hydraulic Component
WhatsApp RFQ Fast Quote