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Discontinued Products
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One technology, multiple solutions.

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Belimo xBALL: Intelligence meets compactness

Innovative, compact, and ready for any challenge:

The new Belimo xBALL products set new standards in modern HVAC automation. Developed with a focus on maximum efficiency, easy integration, and maximum reliability, they offer OEM partners smart solutions for demanding applications – even using flammable refrigerants (e.g. R290) and mildly flammable refrigerants (e.g. R32). Discover how xBALL makes your systems smarter – and takes your products to the next level.

  • xBALL
  • Products
  • Applications
  • Belimo refrigeration lab
xBALL

Electronic expansion ball valve system

belimo_bereva_xball-valve3

SEALING CLOSURE


Greater reliability and no leakage with valve closed.

POSITION FEEDBACK


Continuous access to operating information with high time savings and speed-up of interventions.

NO STICKING


Lower risk of sticking and greater service continuity.

NO STARTING JUMP


Better control at low loads.

MANUAL OVERRIDE


Total control of the single valve without interfering with the electrical command sequence and facilitated emergency interventions.

EASY TO USE


Easy-to-use user interface. Simple set-up operations. No additional connection to actuator needed.

APP AND CLOUD


Immediate access via Bluetooth to all operating data and easy access to the cloud for remote parameter transfer and control.

INCREASED EFFICENCY


Continuous measurement of temperature and pressure ensures optimal system operation.

FAIL-SAFE


Integrated supercap (optional) for automatic closure in case of power failure.

xBALL – General features

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Innovation made simple

Belimo’s xBALL products allow the integration of the new smart ball valves for refrigeration circuits and of their unique benefits.


xBALL 1.0

xBALL 1.0 is a compact control valve based on proven ball valve technology: robust, efficient, and ideal for classic HVAC applications.


xBALL 3.0

xBALL 3.0 functions as an intelligent expansion valve for easy integration into existing systems, compatible with all common third party actuators.


xBALL 4.0

xBALL 4.0 combines an expansion valve, integrated control unit and precise sensor technology (temperatur probe and pressure probe connection included in cable accessory) in one device: for maximum performance and full digitalization.


Benefits

  • Ready-to-use innovation - Highly compatible, suitable for all common A2L and A3 refrigerants and easy-to-install innovative components.
  • production simplification - Elimination of the use of solenoid valves and guarantee of improved control and performance.
  • Lower consumption and emissions - Optimization of partial loads with energy saving. Automatic interaction with the centralized control unit of xBALL 3.0 and xBALL 4.0 optimizes the use of the refrigerant.
  • Less maintenance - Reduced wear, longer duration of the systems and drastically lowered maintenance costs.
  • A2L and A3 ready - R1234ze, R134a, R404A, R407C, R407H, R410A, R417A, R427A, R448A, R449A, R450A, R507A, R452A, R513A, R1234yf, R32, R452B, R290, and all HFC and HFO.

xBALL 1.0

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Compact, robust, precise

The xBALL 1.0 is a controllable valve based on a ball valve – ideal for reliable, maintenance-free control applications in heating and cooling systems. Its compact design and high media resistance makes it the optimal solution for space-critical installation situations. Even when used with A2L and A3 refrigerants such as propane (R290), the xBALL 1.0 offers maximum safety and performance.
Efficient, durable, and versatile: for applications where it’s all about the essentials.


Advantages:
–  Robust, maintenance-free ball valve technology
–  Suitable for all CFC, HFO, HFC, A2L and A3 refrigerants (such as R290)
–  Compact and flexible integration

xBALL 3.0

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Precision for existing energy-efficient systems

The xBALL 3.0 is an electronic expansion valve for precise refrigerant control in modern refrigeration and heat pump systems. It can be easily integrated into existing control systems and impresses with its high control accuracy – even when using future-proof refrigerants such as propane (R290). Compact, versatile, and ready for maximum efficiency with minimal space requirements.
 

Advantages:
–  Precise refrigerant control for maximum energy efficiency
–  Suitable for all CFC, HFO, HFC, A2L and A3 refrigerants (such as R290)
–  Compact design, easy system integration

xBALL 4.0

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Intelligent control, compact solution, maximum control

The xBALL 4.0 is an electronic expansion valve based on proven ball valve technology, combined with a fully integrated control unit. This unique combination of robust valve mechanics and smart electronics makes it a forward-looking complete solution for modern refrigeration and heat pump systems.
What makes it special: Temperature and pressure sensors deliver their values directly to the actuator. There, the data is processed in real time and immediately converted into precise valve movements, without the need for an external control unit. The entire control logic is built into the xBALL 4.0 itself. This reduces complexity, saves space, and enables dynamic, energy-efficient operation while maintaining maximum system stability.
Even when used with natural, flammable refrigerants such as propane (R290), the xBALL 4.0 meets the highest safety and performance requirements – ideal for applications where safety, efficiency, and  digitalization must go hand in hand.
The added value: fewer components, lower installation costs – while increasing efficiency, transparency, and control quality.


Advantages:
–  Electronic expansion valve based on a ball valve: durable and precise
–  Integrated control unit: no external controller necessary
–  Direct processing of sensor values in the actuator (pressure and temperature)
–  Real-time control for maximum energy efficiency
–  Suitable for all CFC, HFO, HFC, A2L and A3 refrigerants (such as R290)
–  Compact design: ideal for space-optimized system solutions
–  Modbus and App as user interface available

More than an ordinary refrigeration valve

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Reliable

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No leakage

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Compact size

xBALL 3.0 and xBALL 4.0 Apps

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Belimo Syncra, Belimo Gardian and Belimo Size, smart solutions for maximum effciency

The Belimo Syncra app offers you a smart and user-friendly solution for wireless control and commissioning of the innovative Belimo xBALL valves. With its intuitive interface, the app enables quick and easy setup and functional testing directly on site – ideal for efficient and error-free commissioning of your systems. Thanks to precise optimization of partial loads, the Syncra app maximizes energy efficiency and reduces operating costs. Simple configuration and monitoring of the valves ensure smooth operation and minimize maintenance requirements.
In addition, the Belimo Gardian app offers comprehensive remote monitoring and diagnostics of your systems. By analyzing relevant operating data in real time, Gardian enables early fault detection and proactive maintenance. This ensures maximum operational reliability and extends the service life of your systems.

Products

xBALL 1.0 – Actuated control ball valve

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Control valve for general purpose applications

Basic features of the control valve. Ball valve with standard actuator from the Belimo range, for flow control with modulating or on/off signal. Compatible with A2L refrigerants.

xBALL 1.0 – Actuated control ball valve A3 ready

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Control valve for general purpose applications

Basic features of the control valve. Ball valve with standard actuator from the Belimo range, for flow control with modulating or on/off signal. Compatible with A2L/A3 refrigerants.

xBALL 3.0 – Electronic expansion valve replacement

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Multi-driver electronic expansion ball valve

Compatible with the most popular evaporating units controllers, designed for the accurate monitoring of superheat and perfect tightness at valve closed, position feedback signal, fail-safe closing and connectivity. Compatible with A2L/A3 refrigerants.

xBALL 4.0 – Electronic expansion ball valve with integrated controller

belimo_xball-3-0

Multi-driver electronic expansion ball valve

xBALL 4.0 is an intelligent, electronic expansion valve for refrigeration systems that enables high energy savings through precise flow control and efficient partial load optimisation. It has an integrated controller that enables simple and precise control of the operating parameters directly on site. The integrated controller eliminates the additional need for an external control unit, resulting in lower overall costs and simplified system integration. Compatible with A2L/A3 refrigerants.

Accessories

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Z-C24X3R030
xBALL 3.0 Cable kit for expansion valve replacement, crimped terminal, lenght 3 m.

Z-C24X3R060
xBALL 3.0 Cable kit for expansion valve replacement, crimped terminal, lenght 6 m.

Z-C24X3R090
xBALL 3.0 Cable kit for expansion valve replacement, crimped terminal, lenght 9 m.

Z-C24X4Y050
xBALL 4.0 Cable for temperature and pressure sensor, length 5 m.

Z-C24X4P010
xBALL 4.0 Cable for power supply, lenght 1 m.

 

Applications
  • 1. Basic refrigeration circuit

    xBALL 4.0 valve with expansion function
     

    belimo_a1

    1  xBAll 4.0 valve
    4  PLC
    5  Condenser
    6  Evaporator
    9  Compressor
     

  • 2. Hot gas bypass for controlling compressor capacity or evaporator defrosting

    xBALL 4.0 valve with expansion function
    xBALL 1.0 valve with modulation function
     

    belimo_a2

    1  xBAll 4.0 valve
    2  xBALL 1.0 / 2.0 valve
    4  PLC
    5  Condenser
    6  Evaporator
    9  Compressor

  • 3. Hot gas bypass for controlling compressor capacity

    xBALL 4.0 valve with expansion function
    xBALL 1.0 valve with modulation function
     

    belimo_a3

    1  xBAll 4.0 valve
    2  xBALL 1.0 / 2.0 valve
    4  PLC
    5  Condenser
    6  Evaporator
    9  Compressor

  • 4. Refrigerant line interception valve with electronic expansion valves

    Electronic thermostatic valve with expansion function
    xBALL 1.0 valve with interception function

    Layout valid for maximum safety needs
     

    belimo_a4

    2   xBALL 1.0 / 2.0 valve
    3   Superheat controller for stepper motors expansion valves
    4   PLC
    5   Condenser
    6   Evaporator
    9   Compressor
    11 Electronic thermostatic valve

  • 5. Refrigerant line interception valve with mechanical expansion valves

    Mechanical thermostatic valve with expansion function
    xBALL 1.0 valve with interception function

    Layout valid using mechanical expansion valves
     

    belimo_a5

    2   xBALL 1.0 / 2.0 valve
    4   PLC
    5   Condenser
    6   Evaporator
    9   Compressor
    11 Electronic thermostatic valve
    12 Mechanical thermostatic expansion valve with thermal bulb

  • 6. Compressor economizer, increases the refrigeration circuit’s efficiency

    xBALL 4.0 valve with expansion function
    xBALL 1.0 valve with interception function
     

    belimo_a6

    1  xBAll 4.0 valve
    2  xBALL 1.0 / 2.0 valve
    4  PLC
    5  Condenser
    6  Evaporator
    7  Economizer
    9  Compressor

  • 7. Compressor bypass – equalizes the compressor’s pressure values

    xBALL 4.0 valve with expansion function
    xBALL 1.0 valve with modulation function
     

    belimo_a7

    1  xBAll 4.0 valve
    2  xBALL 1.0 / 2.0 valve
    4  PLC
    5  Condenser
    6  Evaporator
    9  Compressor

  • 8. Evaporation pressure regulation

    xBALL 4.0 valve with expansion function
    xBALL 1.0 valve with modulation function
     

    belimo_a8

    1  xBAll 4.0 valve
    2  xBALL 1.0 / 2.0 valve
    4  PLC
    5  Condenser
    6  Evaporator
    9  Compressor

  • 9. Heat recovery – condensers in parallel

    xBALL 4.0 valve with expansion function
    xBALL 1.0 valve with modulation function
     

    belimo_a9

    1  xBAll 4.0 valve
    2  xBALL 1.0 / 2.0 valve
    4  PLC
    5  Condenser
    6  Evaporator
    8  Heat recuperator
    9  Compressor

  • 10. Flooded evaporator control

    xBALL 1.0 valve with modulation function
     

    belimo_a10

    2   xBALL 1.0 / 2.0 valve
    4   PLC
    5   Condenser
    9   Compressor
    10 Flooded evaporator

  • 11. Refrigerant injection – compressor cooling

    xBALL 4.0 valve with expansion function
    xBALL 1.0 valve with modulation function
     

    belimo_a11

    1  xBAll 4.0 valve
    2  xBALL 1.0 / 2.0 valve
    4  PLC
    5  Condenser
    6  Evaporator
    9  Compressor

Belimo refrigeration lab
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The advanced research laboratory for refrigeration innovation

Belimo refrigeration laboratory is a laboratory specifically created to design, develop, test and monitor components or systems in a technologically advanced environment capable of replicating the actual operating conditions of cooling systems. This advanced research laboratory supports our client partners in the development of innovative solutions based on the integration of smart valves. The new generation of smart valves improve the productivity, safety, energy consumption and duration of chillers. Suitable to be operated with different HFC/HFO refrigerants.

Research and equipment.

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Innovation

Research dedicated to the development of innovative products, solutions and services in cooperation with our client partners.
 

Analysis and development

Study, analysis and development of new technologies and frameworks.


Testing and training

Testing of components and of refrigeration circuit control technologies.
Development and optimization of technological packages and of single components validated by laboratory tests.
Testing and performance measurement of components or systems.
Training and refresher courses for technicians and special

Manufacturing the new generation of smart refrigeration valves.

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Belimo is dedicated to the innovation of HVAC components. Our mission is to produce the next generation of smart valves that improve the productivity, safety, energy consumption and duration of refrigerating systems. This is the vision behind xBALL, the system that transforms expansion valves into innovative components capable of regulating loads and of assuring perfect sealing when closed. At Belimo we fi rmly believe in innovation as a result of cooperating with our customers and of listening to their needs. In our specially designed laboratory, you can experience how xBall products positively infl uence your system without having to organise your own test setup. We carry out the simulations and tests for you – quickly, precisely, and customised to your requirements.

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