Belimo Spring Return Damper Actuator 4 Nm – LF Series

The Belimo LF Series Spring Return Damper Actuators provide 4 Nm (35 in-lb) torque for small to medium-sized air dampers in HVAC systems. Equipped with a mechanical spring return mechanism, the LF Series automatically returns the damper to its fail-safe position during power loss, ensuring reliable operation for ventilation and life safety applications. Available in multiple control and voltage options, the LF Series delivers dependable performance, compact design, and energy-efficient operation.

  • Manufacturer: Belimo, Switzerland
  • Distributor: PGTECH Vietnam
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Mô tả sản phẩm

The Belimo LF Series Spring Return Damper Actuators are designed to control air dampers in heating, ventilation, and air conditioning (HVAC) systems. As an essential component of modern ventilation systems, the actuator regulates the opening and closing of dampers to control airflow, allowing fresh outdoor air to enter the building or preventing air movement when required.

The LF Series features a mechanical spring return mechanism that automatically returns the damper to its predetermined fail-safe position in the event of a power failure. This ensures safe damper closure and dependable operation for both electrically powered and non-powered damper applications.

Delivering 4 Nm (35 in-lb) of torque, the LF Series is suitable for dampers up to approximately 8.5 ft², making it an ideal solution for small and medium-sized ventilation systems. Its compact design enables easy installation, while the efficient motor design minimizes power consumption and contributes to lower operating costs.

The product range includes LF24, LF24-S, and LF24-3 models for 24 V On/Off control, the LF24-SR model for 24 V modulating control, LF120 US and LF120-S US models for 120 V AC On/Off control, and LF230 and LF230-S models for 230 V AC On/Off control. This wide selection allows engineers to choose the appropriate actuator for various building automation and HVAC control systems.

Belimo has been the world's leading manufacturer of damper actuators and control valves since the early 1970s. Renowned for Swiss engineering, exceptional reliability, and long service life, Belimo products have become the preferred choice for HVAC professionals worldwide.

PGTECH is the official distributor of genuine Belimo products in Vietnam, providing comprehensive HVAC control solutions and technical support for commercial, industrial, and institutional projects.

Technical Specifications

  • Product: Belimo Spring Return Damper Actuator
  • Series: LF
  • Torque: 4 Nm (35 in-lb)
  • Models: LF24, LF24-S, LF24-3, LF24-SR, LF120 US, LF120-S US, LF230, LF230-S
  • Control Types: On/Off and Modulating
  • Power Supply: 24 V AC/DC, 120 V AC, or 230 V AC (depending on model)
  • Damper Size: Up to approximately 8.5 ft²
  • Operating Time: 40–150 seconds
  • Spring Return Time: <25 seconds
  • Applications: HVAC ventilation systems, air dampers, air handling units, and commercial buildings
  • Manufacturer: Belimo, Switzerland
  • Distributor: PGTECH Vietnam

Đặc tính thiết kế

  • 4 Nm (35 in-lb) output torque for small and medium-sized air dampers
  • Mechanical spring return provides automatic fail-safe positioning during power loss
  • Compact, lightweight design for easy installation
  • Available in On/Off and modulating control versions
  • Multiple voltage options including 24 V, 120 V, and 230 V
  • Low power consumption for improved energy efficiency
  • Reliable spring return mechanism ensures secure damper closure
  • Suitable for HVAC ventilation systems, air handling units, and commercial buildings
 
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