Global English

AB-QM 4.0

  • Overview
  • Benefits
  • AB-QM 4.0
  • Actuators
  • News
  • Solutions
Danfoss AB-QM 4.0 pressure-independent balancing valve (PICV)

Introducing AB-QM 4.0

Engineering the best PICV valve for HVAC 4.0 in smart buildings.

AB-QM 4.0 hydronic enabler for smart buildings

With the AB-QM 4.0 Pressure Independent balancing and Control Valves (PICV), the product range of pressure independent valves for HVAC heating and cooling systems has been extended. The valves are designed for use in combination with conventional, modulating or on/off, actuators. Or for the Danfoss NovoCon® S digital actuator, which can be integrated into Building Management Systems (BMS) via BACnet or Modbus bus-communication. This innovative combination enables HVAC 4.0 solutions in smart commercial buildings concepts such as hotels or offices.

Benefits

Why PICVs are the best choice control valves in HVAC systems

A buildings’ HVAC system is designed according geographical determined 'worst case' climate conditions. In practice these most demanding conditions seldom occur. As result, the HVAC system operates in partial load conditions most of the time. Achieving hydronic balance while the flow in the system constantly fluctuates requires a dynamic balancing solution. PICVs not only dynamically balance the system. Once equipped with an actuator they also control the flow, allowing more or less water through terminal units to provide rooms with correspondingly more or less heating or cooling.

The main benefit of PICVs:

  • 2 functions combined in 1 product
  • Accurate pressure independent control performance and 100% valve authority
  • Easier to design and commission
  • Increased HVAC energy-efficiency

Besides these main benefits there are also complementary benefits:

  • Longer lifetime of the actuators, reducing the operational costs
  • Increased comfort and less complaints
  • Increased efficiency of boilers and/or chillers

AB-QM 4.0

We created PICVs now we redefine the value

Danfoss AB-QM 4.0 is the enabler for HVAC 4.0 in smart buildings. It is a completely new designed Pressure Independent Control Valve (PICV) for terminal units such as fan coil units, chilled beams, and climate panels. It still features the unique AB-QM 100% valve authority for best-in-class control performance. But we have redefined the value in four different areas:

Specification and installation of pressure-independent control valves
Specification & installation

AB-QM 4.0 is designed to be the indisputable best PICV. The control performance is best-in-class and the PN25 valve body meets every requirement. The design flow can accurately be set, is visible when an actuator is mounted and can accurately be measured with PFM 1000. There are models with internal or external thread, with or without test plugs. The bi-directional filling and flushing simplifies the commissioning process.​

The best choice when you want a tender winner​.

Danfoss AB-QM 4.0 pressure-independent control valves offer improved reliability and robustness
Reliability & robustness

AB-QM 4.0 is designed to have a long lifetime. It has best-in-class reliability. With the inner construction made from a dedicated Polymer the valve is significantly less sensitive for scaling and clogging. As result it is the best performer in lifetime tests. For projects extended warranty periods are possible.​

The best choice when you want a superior quality for a long time​.

AB-QM 4.0 is the optimal choice for connected buildings
Connectivity & data

AB-QM 4.0 is designed to fit the NovoCon S high accuracy digital actuator with BACnet or Modbus bus communication. This actuator allows for plug & play BMS integration and offers many benefits. The HVAC system can remotely be commissioned or flushed to save valuable time. Extended system data is provided to the BMS for e.g. predictive maintenance, alarms or fast error detection.​

The best choice when you want connectivity and data​.

Danfoss AB-QM 4.0 pressure-independent balancing valves offer high ROI and low total cost of ownership
TCO & ROI

AB-QM 4.0 is designed to lower  design, installation, commissioning and operational costs. It allows a faster handover time in projects. The established hydronic balance provides optimal user comfort at the lowest energy consumption. This results in the best possible HVAC system efficiency. The building value increases, allowing a higher rental price per m2 to optimize the Return on Investment.

The best choice when you want the lowest cost of ownership.​

Danfoss AB-QM 4.0 infographic

How AB-QM 4.0 redefines PICV value

What exactly are the differences between AB-QM and AB-QM 4.0?

Find out in the interactive PDF Infographic

Open infographic

Explore AB-QM 4.0 in more detail

Discover more details of AB-QM 4.0 by clicking the below link. The product page offers you links to relevant documentation, BIM files and much more:

  • if (isSmallPicture) { Danfoss AB-QM 4.0 pressure-independent control valve (PICV) for hydronic balancing } else if (isBigColumns) { Danfoss AB-QM 4.0 pressure-independent control valve (PICV) for hydronic balancing } else { Danfoss AB-QM 4.0 pressure-independent control valve (PICV) for hydronic balancing }
    AB-QM 4.0 Pressure Independent Control Valves (PICV) DN15 - DN20

    AB-QM 4.0 Pressure Independent Control Valves (PICVs) are the successor of Danfoss AB-QM. They offer best-in-class specifications and easy installation. The scaling- and clogging resistant design secures and outstanding reliability and long lifetime. They fit to the NovoCon S digital actuators. This enables HVAC data collection for e.g. remote commissioning and predictive maintenance, resulting in a lower Total Cost of Ownership.

  • if (isSmallPicture) { Danfoss AB-QM 4.0 Flexo sets } else if (isBigColumns) { Danfoss AB-QM 4.0 Flexo sets } else { Danfoss AB-QM 4.0 Flexo sets }
    AB-QM 4.0 Flexo

    Increase installation flexibility with AB-QM pre-assembled and pressure tested connection sets for Fan Coil Units.

Actuators

Actuators for AB-QM 4.0

Find out more about AB-QM 4.0 matching actuators here:

  • if (isSmallPicture) { NovoCon® S and M Digital Actuators - Danfoss } else if (isBigColumns) { NovoCon® S and M Digital Actuators - Danfoss } else { NovoCon® S and M Digital Actuators - Danfoss }
    NovoCon® Digital actuators

    With NovoCon® 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.

News

  • if (isSmallPicture) { AB-QM 4.0 Flexo connection set voor Fan Coil Units } else if (isBigColumns) { AB-QM 4.0 Flexo connection set voor Fan Coil Units } else { AB-QM 4.0 Flexo connection set voor Fan Coil Units }
    NEW: AB-QM 4.0 Flexo
    Monday, October 19, 2020

    Read more about our new, compact, 8-in-1 PICV solution for fast installation, flushing and servicing of Fan Coil Units in hydronic HVAC systems as used in public and commercial buildings.

  • if (isSmallPicture) { NovoCon® M, L and XL digital actuators } else if (isBigColumns) { NovoCon® M, L and XL digital actuators } else { NovoCon® M, L and XL digital actuators }
    NEW: NovoCon M, L and XL - Big news for fans of IoT solutions in smart building concepts
    Monday, August 3, 2020

    New NovoCon® M, L and XL digital actuators for AB-QM Pressure Independent balancing and Control Valves (PICV) complete the series of smart, digital, IoT actuators for hydronic HVAC applications.

  • if (isSmallPicture) { } else if (isBigColumns) { } else { }
    New: Digital Design Center – one entry point for all design needs
    Friday, April 17, 2020

    When designing projects, big or small, finding the best solutions for your designs in a fast and easy way can be crucial. To simplify your design work and save your time, we have developed a new online platform – Digital Design Center.

Explore more

Solutions

  • if (isSmallPicture) { hotel room } else if (isBigColumns) { hotel room } else { hotel room }
    Hotels

    The hotel industry is a highly competitive sector where margins are constantly under pressure. The service towards guests must remain on a high level to hold the hotels' reputation. Saving energy is a key-differentiator. Danfoss offers comfort increasing HVAC solutions which help reduce the energy consumption.

  • if (isSmallPicture) { Office building } else if (isBigColumns) { Office building } else { Office building }
    Offices

    The ways office buildings are used is changing fast. Trends such as smart offices, digitalization and flexible work stations require adaptations in the technical aspects as well. Optimal indoor comfort for workers is essential. Danfoss offers comfort-increasing and energy-saving HVAC solutions.