Hydronic balancing of HVAC heating and cooling systems is essential for many reasons. It is necessary in order to achieve proper indoor comfort and for the system to run as efficiently as possible. If the hydronic balance is not properly in place, end-user complaints, extra costs and reduced lifetime value of the system can be expected.
Danfoss offers a hydronic balancing solution for every situation:
Pressure-Independent Balancing and Control Valves combine hydronic balancing and temperature control functionalities in one product. They are simply set to the design flow and used in both heating and cooling systems with variable flow conditions.
Automatic balancing valves eliminate pressure fluctuations occurring in variable flow systems. With additional pre-setting radiator valves that limit the maximum flow through e.g. radiators, the system can be hydronically balanced. Another automatic balancing solution is provided by the Pressure-Independent thermostatic radiator valves which combine the control of differential pressure and flow limitation in one valve.
Thermal balancing valves establish a proper balance by using the temperature entering the circulation pipes of Domestic Hot Water system risers. This provides a very efficient system.
Manual balancing valves can be used in systems with a constant flow, such as systems with 3-way control valves. They need to be commissioned to establish the design flow.
Danfoss automatic balancing valves
Hydronic balance by setting the required differential pressure in risers and design flow at the radiators without any tools
How we can help you
Improved energy efficiency and indoor comfort
Fewer complaints about uneven heat distribution
Fewer complaints about system noise
Savings on pump dimensions and energy consumption
Relatively short payback times
Related products
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MTCV Thermal balancing valves provide a dynamic, temperature based, balancing solution for drinking water applications. The valves prevent too high temperatures causing lime, corrosion and high energy costs. They also prevent too low temperatures where legionella risks increase and long waiting times for hot water to occur.
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With LENOTM MSV Danfoss offers a versatile range of manual balancing valves for different HVAC heating and cooling applications having a constant flow system. The valves are available in sizes DN 15 – 50 and offer several practical benefits.
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ASV automatic balancing valves provide a dynamic balancing solution for two-pipe heating or cooling applications. The riser-mounted valves eliminate pressure fluctuations occurring in variable flow systems at partial load conditions. For a proper hydronic balance the valves should be combined with pre-setting valves.
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Robustly built and designed to meet the rigors of the commercial and industrial sectors, a comprehensive range of Danfoss radiator valves is available for practically all systems and installation conditions.
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AB-QM Pressure Independent balancing and Control Valves (PICV) provide both a control functionality and dynamic balancing solution for HVAC heating and cooling systems. PICVs are designed for various types of terminal units, Air Handling Units (AHU), chillers and provide high indoor comfort and energy efficiency in public and commercial buildings.
Case studies
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Katowice Business Centre is a modern office building where Danfoss hydronic balancing solutions are used; AB-QM balancing and control valves in combination with revolutionary NovoCon® actuators.
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The Prime Tower in Zurich is a building of many records. With its 126 meters it is the tallest building in Switzerland with 36 floors and 40,000 square meters accommodating mostly offices. And with its more than 6,000 AB-QM valves it is also one of the biggest heating and cooling installations ever designed and installed by Danfoss.
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The tallest building of the EU now resides in Wroclaw in Poland. As a beautiful landmark to modern architecture, high user comfort and sustainable practice, the 212 meter high Sky Tower forms the pleasant setting for thousands of people living and working in the building.
