Belimo Fail-Safe Damper Actuators
Applications
Belimo rotary actuators with fail-safe can handle a magnitude of HVAC applications. They are available in a wide range of nominal voltages and torques.
Reliability and Safety Performance
Belimo fail-safe damper actuators have a comprehensive torque offering from 2.5 Nm to 40 Nm with direct coupled, rotary or linear travel that can handle many HVAC applications. Fail-safe actuators use brushless DC motor technology controlled by an Application Specific Integrated Circuit (ASIC) to provide stall protection, lower power consumption, higher efficiency and smaller transformer sizing.
Powerful and Reliable Control
Fail-safe actuators provide lower power consumption, increase torque and faster running times with MFT technology. Belimo actuator accessories increase application flexibility with more options in mounting and commissioning. A wide selection of universal clamps, electrical connections and running times are now available, providing you a cost effective solution with the same reliability you have come to experience with Belimo.
Specification
Torque: 1 Nm, 2 Nm, 4 Nm, 5 Nm, 8 Nm, 10 Nm, 16 Nm, 20 Nm, 40 Nm, 160 Nm
Force: 50 N, 100 N, 150 N
Voltage AC/DC: 120 V, 230 V, 24 V, 48 V, 72 V
Control type: Open/close, 3-point, Modulating, Communicative, Hybrid (communicative / analogue)
Running time: 2.5…19 s, 20…49 s, 50…79 s, 80…99 s, 100…150 s
Mechanical interface: Form fit, Universal shaft clamp, Universal shaft clamp reversible
Auxiliary switches: 1x SPDT, 2x SPDT
Electrical connection: Cable, Connector plug, Terminals
Protection category: IP20, IP54, IP66/67
Consulting Engineers

Your analytical skillset makes you an invaluable asset to your organisation. Though your job is to design systems and operating sequences that meet energy codes to make facilities run more efficiently, you constantly find yourself collecting information and analysing data when it could be spent looking for new and innovative ways to save energy and improve building performance. Belimo ball valves provide:
- Models available with tight close-off up to 1000 psi to ensure dependable operation
- Spring return, non fail-safe, and electronic fail-safe actuator to drive the valve open or closed during power failure to meet sequence requirements
- NEMA 4 actuator options for harsh outdoor applications
- High Kvs full port ball valves for isolation applications
- Customer focused organisation with support documentation requirements for plans and specifications
Contractors & Distributors

- Easy selection, installation, and hassle-free service
- Models with tight close-off up to 1400 kPa to ensure dependable operation
- Range of media temperature ratings suited for steam, chilled and hot water applications
- Assembled with rotary actuators offering easy field assembly and installation saving you time
- Fast delivery with extensive support
Building Owners

Building expansion and tenant improvements are a constant challenge to your facility department and the value of your property. You are having difficulty keeping clients comfortable, identifying ways to optimise your HVAC system, and preserving capital budgets. Belimo ball valves can offer:
- High performance VB series ANSI Class I50 or 300 carbon steel bodies which are ideal for aggressive applications
- 0% leakage or ANSI Class VI rating increasing plant Delta T efficiency and building comfort
- Serviceable trim components on VS and VSS series valves reducing replacement cost
- High Kvs ball valves with minimal pressure drop, which are ideal for isolation application where pumping costs are high
- NEMA 4 actuator options for harsh outdoor applications which assure long service life
Facility Managers

Higher energy prices combined with costly building inefficiencies are making your job more and more difficult to perform. While you should be looking for new and innovative ways to reduce energy consumption and improve facility performance, you’re simply too busy dealing with employees, troubleshooting technical issues, and trying to combat costly problems with more money. Belimo ball valves can provide:
- Excellent control stability maintaining occupant comfort level
- Better control to prevent “hunting” of the control loop, increasing life span of actuator and valve
- Models available with tight close-off up to 1400 kPa to ensure dependable operation
- Easy selection, installation, and service for improvement projects or retrofits
- Fast delivery and online technical support
ESCO

You are tasked with communicating to organisations how they can save energy and improve performance — but key opportunities are passing you by. Why? Most of your time is spent searching for new product innovations that are backed by proven and reliable energy savings data. Belimo ball valves offer:
- ANSI Class VI or 0% leakage rating offering increased plant Delta T efficiency and building comfort
- Tight close-off up to 1400 kPa to provide dependable performance
- Actuator to utilise full control signal for maximum resolution and precise control
- High Kvs ball valves with minimal pressure drop. These are ideal for isolation application where pumping costs are high
- Better control to prevent “hunting” of the control loop, increasing life span of actuator and valve
Commissioning Agents / Balancing Contractors

The responsibilities of your job are complex. Between managing and reviewing projects, along with balancing and commissioning systems, you’ve got a lot on your plate. What you’re looking for is an innovative product with proven energy savings data that meets your facility’s specifications without the hassle of a complex installation and/or costly maintenance requirements. Belimo ball valves offer:
- Manual override function to provide easy troubleshooting capabilities during start-up and commissioning
- MFT models with field selectable control and feedback signal, and running time to match design sequences and controller requirements
- Trending with Multi-Function Technology (MFT) models for system diagnosis
- Self-cleaning ball valve technology to provide superior clog resistance and ensure flow is maintained in heating and cooling systems
Related products
Belimo Characterised Control Valves (CCV)
Applications
The Characterised Control Valve (CCV) combines the high close-off capabilities of a ball valve with true equal percentage flow characteristic to achieve superior control.
Control and Reliability
The Characterised Control Valve (CCV) marks a true advancement in control valves. It combines the high close-off capabilities of a ball valve with a specialised disc that ensures an equal percentage flow characteristic. Since its release in 1999, over 2 million CCVs have been sold in hydronic systems. The CCV offers a comprehensive Kvs range for various applications such as air handlers, heating and cooling coils, fan coil units, unit ventilators and VAV re-heat coils.
True Advancement in Control Valves
Belimo Characterised Control Valves feature the innovative ball design and are operated by a rotary actuator. The actuators are controlled by a standard voltage for on/off, modulating, or floating point control which moves the ball valve to the position dictated by the control system. The valve is bubble-tight preventing energy losses and helps reduce operating costs.
Specification
Pattern: 2-way, 3-way
kvs range (kvs): 0.25...1.0 kvs, 1.1...3.0 kvs, 3.1...6.5 kvs, 6.6...14 kvs, 15...40 kvs, 41...170 kvs, 171...1000 kvs
Valve size (mm): 15 mm, 20 mm, 25 mm, 32 mm, 40 mm, 50 mm, 65 mm, 80 mm, 100 mm, 125 mm, 150 mm
Pipe connection: Flange, Internal thread
Belimo Electronic Pressure Independent Valves (EPIV)
Applications
Belimo's pressure independent valve technology optimises the control of variable flow systems and helps maximise energy savings.
High Performance Solutions
Belimo pressure independent valve technology maximises energy savings of variable flow pumping systems while addressing unique control challenges. Belimo offers a series of pressure independent (PI) control valves; from the PIQCV, a super compact PI valve, ePIV an electronic PI valve offering true flow measurement to the Energy Valve that optimises, documents and proves water coil performance.
Energy Efficient Valves Providing Optimal Performance
With Belimo’s pressure independent control valve technology only a single valve is required to maintain proper flow through each circuit. Each valve arrives from the factory pre-set for each circuit and can be changed in the field, so there is no additional balancing required. The system performs perfectly from start-up. Pressure independent valves are used to regulate flow through air handlers, heating and cooling coils, fan coil units, unit ventilators and VAV re-heat coils.
Specification
Product type: Valve, Valve-actuator unit
PI-Technology: Electronic, Mechanical
Pipe connection: Flange, Internal and external thread, Internal thread
Valve size (mm): 15 mm, 20 mm, 25 mm, 32 mm, 40 mm, 50 mm, 65 mm, 80 mm, 100 mm, 125 mm, 150 mm
Fail-safe function: Non-fail-safe, Fail-safe
Voltage AC/DC: 24 V
Control type: Modulating, Communicative, Hybrid (communicative / analogue)
Running time (fail-safe): 35 s
Electrical connection: Cable
Belimo Energy Valve™
Applications
The Belimo Energy Valve™ is a pressure independent control valve that in addition monitors coil performance and energy consumption. On request, it can also manage the Delta T and communicates with the IoT cloud.
Energy savings you can see
The Belimo Energy Valve™ provides pressure-independent flow control and transparent monitoring of heating or chilling systems. This ensures that it is not operated with too low a temperature spread (delta T). By measuring, calculating and visualising important system data and with the performance reports provided by Belimo, energy-efficient system operation is guaranteed for the entire service life. The Belimo Energy Valve™ can be connected to the Belimo Cloud, providing easy access to data and reports – anytime, anywhere.
Thermal energy management and billing made easier than ever
The unity of the certified Belimo Thermal Energy Meter™ and the enhanced Belimo Energy Valve™ allows for transparent thermal energy management. The two worlds of "energy control" and "certified energy measurement and billing" are now being united. Accurately measure and monitor thermal flows and energy consumption in heating and cooling systems with direct IoT-based cost accounting using a single device. The new MID-approved Thermal Energy Meters assure high accuracy and reliability, allowing for easy and efficient billing. Reliable measurement is only the beginning. The Belimo Energy Valve™ instantly controls the thermal flow and optimises the energy supply to the user. With this important combination Belimo is stepping into a new era of integrated thermal energy management and is bringing together what belongs together.
Belimo Energy Valve™ in HVAC Applications
This is a selection of common HVAC applications in which the Belimo Energy Valve™ comes into use. After a short description of each application, common reasons for poor efficiency or performance are identified. There is an explanation of how the EV addresses these problems, and which control modes and settings are recommended to achieve optimal performance.
Know where the energy is going
The Belimo Energy Valve™ is an IoT device, i.e. an intelligent pressure-independent valve that can be connected to the Belimo Cloud. Unique functions such as the Delta-T manager or the possibility of direct power control provide clarity, enhance efficiency and reduce costs. The Belimo Energy Valve™ consists of a 2-way or 3-way characterised control valve, a volumetric flow meter, two temperature sensors and an actuator with integrated logic.
Specification
Pipe connection: Flange, Internal and external thread
Certification: MID / EN 1434
Flow range (m³/h): 0.02...2.39 m³/h, 2.4...6.49 m³/h, 6.5...17.5 m³/h, 17.6...40 m³/h, 41...162 m³/h
Valve size (mm): 15 mm, 20 mm, 25 mm, 32 mm, 40 mm, 50 mm, 65 mm, 80 mm, 100 mm, 125 mm, 150 mm
Fail-safe function: Non-fail-safe, Fail-safe
Belimo Gas Monitors (Air) | Gas monitoring devices | Multi-gas monitor
Applications
Belimo’s gas monitor devices offer an intelligent peer-to-peer communication protocol that gives users unparalleled flexibility to configure and install a complete ventilation control system with only one monitor or dozens operating in multiple ventilation zones.
Accurate and reliable gas monitoring - Indoor parking garages
Exhaust ventilation controlled by Belimo's gas monitors provides a safe, clean environment and helps to keep energy costs in line. Using carbon monoxide and nitrogen dioxide gas monitors in parking garages offers accurate and reliable exhaust ventilation control where diesel-powered vehicles may also be present. The modular design provides a combined unit with carbon monoxide and nitrogen dioxide sensors within one device, helping to reduce energy costs by measuring emissions and only exhaust-heated or air-conditioned air when needed.
Belimo Non Fail-Safe Damper Actuators
Applications
Belimo rotary actuators without fail-safe can handle a magnitude of HVAC applications. Available in a wide range of nominal voltages and torques.
Versatile in Performance and Function
Belimo non fail-safe damper actuators are designed for use in a wide variety of HVAC damper applications. With our comprehensive torque range from 2 Nm to 160 Nm and the ability to direct mount on standard damper shafts or jackshafts, these solutions are ideal for controlling dampers found in AHU, PAU, VAV terminal units, fan coil units, and unit ventilators used in hospitals, schools/universities, and data centres.
Accuracy and Controllability
The Belimo non fail-safe return damper actuators use brushless DC motor technology, which is controlled by an Application Specific Integrated Circuit (ASIC) guaranteeing minimum torque over the entire operating range with no loss in performance due to temperature, supply voltage or speed.
Specification
Torque: 1 Nm, 2 Nm, 4 Nm, 5 Nm, 8 Nm, 10 Nm, 16 Nm, 20 Nm, 40 Nm, 160 Nm
Force: 50 N, 100 N, 150 N
Voltage AC/DC: 120 V, 230 V, 24 V, 48 V, 72 V
Control type: Open/close, 3-point, Modulating, Communicative, Hybrid (communicative / analogue)
Running time: 2.5...19 s, 20...49 s, 50...79 s, 80...99 s, 100...150 s
Mechanical interface: Form fit, Universal shaft clamp, Universal shaft clamp reversible
Auxiliary switches: 1x SPDT, 2x SPDT
Electrical connection: Cable, Connector plug, Terminals
Protection category: IP20, IP54, IP66/67
Belimo Outdoor Sensors (Air)
Applications
Belimo's outdoor sensors for temperature and humidity have IP65 protection and provide all common active and passive output signals as well as Modbus and BACnet, depending on the version.
Providing the Reliability, You Know and Expect
Outdoor mounted sensors designed to measure the outside temperature for efficient heating/cooling automation.
Efficient Air Quality
Outdoor mounted sensors equipped with a NEMA 4X / IP65 rated enclosure, snap cover and mounting plate for ease of installation are available with passive or active outputs and are compatible to major building automation systems. Combined temperature and humidity sensors with selectable relative humidity, absolute humidity, dew point and enthalpy outputs are available with optional BACnet and Modbus communications. These sensors measure the outdoor air to permit the DDC system to coordinate with actual building conditions ensuring accurate and efficient air quality. All outdoor sensors are UL certified and backed by a 5-year warranty.
Specification
Measured values: Temperature, Humidity, Light
Output signal: 0...5 V, 0...10 V, 4...20 mA, Modbus, BACnet, Pt100, Pt1000, Ni1000, Ni1000TK5000, NTC10k (10k2), NTC10k Pre (10k3), NTC20k
Additional features: Internal sensor, External sensor
Belimo Quick Running Damper Actuators / Fast Running Actuators
Applications
Belimo Fast Running actuators (from 2.5 sec.) are available with rotary or linear movement.
Speed and Reliability
Belimo quick running damper actuators are available with rotary or linear actuators with open/close or modulating control. Field programmable types allow the running time, torque, operating range and position feedback to be optimised to the specific application. Cables, form-fits and clamps can be adapted individually upon request. Whether in room pressurisation fume hoods or VAV systems – the quick running actuators open and close air dampers fast to meet the critical needs of the system.
Versatile in Performance and Function
Whether in heating or cooling circuits, ventilation, extraction or VAV systems – the quick running actuators open and close air dampers at top speed. Quick running actuator ensures air performance in paint rooms, laboratories and other sensitive areas. Rugged motors, gearboxes and IP 54 housings guarantee a long service life even under the harsh conditions.
Specification
Movement type: Rotative, Linear
Fail-safe function: Non fail-safe, Fail-safe
Torque (Nm): 4 Nm, 6 Nm, 8 Nm, 16 Nm, 160 Nm
Force (N): 100 N
Stroke: 100 mm
Voltage AC/DC: 120 V, 230 V, 24 V, 48 V, 72 V
Control type: Open/close, 3-point, Modulating, Communicative, Hybrid (communicative / analogue)
Running time: 2.5...19 s, 20...49 s, 50...79 s, 80...99 s, 100...150 s, adjustable
Mechanical interface: Universal shaft clamp reversible, Universal shaft clamp, Form fit
Running time (fail-safe): 4 s, 30 s
Protection category: IP54, IP66/67
Belimo Valve Actuators
Applications
Belimo offers a comprehensive range of valve actuators - fail-safe or non fail-safe - with various control options to meet all needs of HVAC applications.
Versatile in Performance and Function
Belimo valve actuators are designed for use in a wide variety of HVAC applications to ensure proper performance and reliability and to lower power consumption. With a comprehensive torque range (5 Nm to 160 Nm) suitable for different valve sizes, valve actuators can be used for a variety of applications, including fast-running, fail-safe, outdoor, etc.
Accuracy and Controllability
Belimo Characterised Control Valves feature the innovative ball design and are operated by a rotary actuator. The actuators are controlled by a standard voltage for on/off, modulating, or floating point control which moves the ball valve to the position dictated by the control system. The valve is bubble-tight preventing energy losses and helps reduce operating costs.
Specification
Movement type: Rotative, Linear
Fail-safe function: Non-fail-safe, Fail-safe
Torque (Nm): 1 Nm, 2 Nm, 2.5 Nm, 4 Nm, 5 Nm, 8 Nm, 10 Nm, 16 Nm, 20 Nm, 40 Nm, 90 Nm, 160 Nm, 400 Nm, 650 Nm, 1000 Nm, 1500 Nm, 2000 Nm, 2500 Nm, 3500 Nm
Force (N): 1000 N, 1500 N, 2000 N, 2500 N, 4500 N
Voltage AC/DC: 120 V, 230 V, 24 V, 48 V, 72 V
Control type: Open/close, 3-point, Modulating, Communicative, Hybrid (communicative / analogue), Manual
Running time: 2.5...19 s, 20...49 s, 50...79 s, 80...99 s, 100...150 s, >150 s, adjustable
Running time (fail-safe): <20 s, <25 s, 30 s, 35 s, 60 s, <75 s
Auxiliary switches: 1x SPDT, 2x SPDT
Electrical connection: Cable, Terminals, Terminals with cable
Protection category: IP40, IP42, IP54, IP66/67, IP67

