Two- or four-pipe heating and/or cooling systems are characterized by changing conditions due to valves opening and closing depending on the need for heating or cooling. This continuously causes flow and differential pressure changes.
Without proper measurements, such systems suffer from uneven heat distribution, poor energy inefficiency and are very difficult to commission.
To avoid these issues Pressure Independent balancing and Control Valves (PICV) provide the best and simplest solution.
By adding an actuator, the valves function as flow-limited control valves, automatically balancing the system and providing the best possible indoor comfort and energy efficiency. The commissioning of the system is a lot easier, all valves only need to be set to the design flow before the actuators are mounted.
Danfoss offers a broad range of pressure-independent balancing and control valves and matching actuators.
Features and benefits
Stable room temperature
Eliminating the overflow situations at partial load conditions has a significant effect on the stability of the room temperature
Improved indoor comfort
With the stable room temperature, the indoor comfort increases. Required temperatures are accurately met, increasing the productivity of office employees or benefitting the experience of hotel guests.
Energy savings
The perfectly balanced system, under all conditions, increases the energy efficiency and leads to savings on energy costs.
Reduced maintenance costs
As the pressure-independent valves ensure perfect working conditions, the actuators mounted on them require fewer movements to keep the temperature stable. This increases the lifetime value of the actuators and reduces the maintenance costs.
NEW: AB-QM 4.0
Get ready for the next level value of your PICV designs.
Product range
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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.
Documents
| Type | Name | Language | Valid for | Updated | Download | File type |
|---|---|---|---|---|---|---|
| Brochure | Energy saving solutions for renovation of heating and cooling systems | English | Multiple | 10 Sept, 2014 | 5.9 MB | |
| Brochure | Grow your business and discover the value of working with one partner (International version) | English | Multiple | 19 Nov, 2015 | 5.6 MB | |
| Application guide | HVAC Application guide | English | Multiple | 26 Oct, 2020 | 19.4 MB | |
| Brochure | Hydronic Balancing & Control product overview | English | United Kingdom | 11 Nov, 2014 | 7.1 MB | |
| Brochure | Hydronic Balancing & Control product overview | English | Multiple | 12 Dec, 2016 | 1.1 MB | |
| Case story | NovoCon - outstanding HVAC flexibility after office building renovation | English | Multiple | 28 Sept, 2020 | 960.1 KB |
3D models and drawings
BIM library for MEP designs
Get your 3D BIM objects and start design HVAC 4.0 for smart buildings.
Software
Danfoss SET 365 software
Our advanced Danfoss SET 365 3D design software will help you to design and calculate HVAC systems with Danfoss products. A 1-year subscription is FREE available for students, designers and other interested professionals.
Related products
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To take advantage of the combined balancing and control features of Danfoss AB-QM it has to be equipped with actuators controlled by room thermostats or a Building Management System. Danfoss offers a broad range of actuators varying from Thermal on-off to Geared digital actuators with bus communication.
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With NovoCon® S Danfoss revolutionizes the way hydronic balancing and HVAC control work together. The first of its kind digital HVAC actuators are directly connected with a Building Management System (BMS). This enables System Integrators to design state-of-art, Internet of Things (IoT) solutions.
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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At the heart of the new King Abdullah Financial District in Riyadh stands the impressive SAMBA head office. The 40-storey building represents a landmark in sustainable architecture and engineering and forms an attractive work space for the 800 people working in the SAMBA Financial Group head office.
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The award-winning office complex Floreasca Park raises the bar for green office buildings. With 40% savings on the energy bill, Floreasca Park brings substantial savings to the tenants and a green footprint to the building. The new office complex, Floreasca Park in Romania, serves as an excellent example of a sustainable office building according to the international BREEAM rating.
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Burj Khalifa, the world’s tallest building, is located in Dubai, United Arab Emirates (UAE). With a staggering 160 floors, reaching 828 metres, the building takes your breath away. Burj Khalifa is not only a world famous skyscraper, but also a building complex in downtown Dubai with residential buildings, office buildings, hotels and shops.
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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.
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