Best-in-class PICV with scaling and clogging resistant design
Danfoss AB-QM was the first of its kind control valve for HVAC heating and cooling applications. AB-QM 4.0 is its next level successor.
The basic principles haven’t changed; It is a control valve with automatic flow limitation and built-in differential pressure controller. The control performance is very accurate and the valve has a – still – unique valve authority of 100%.
But the value the AB-QM 4.0 valves provide has improved a lot. AB-QM 4.0 is the best-in-class PICV currently on the market. The AB-QM 4.0 becomes available in DN 15 up to DN 32. There are versions with and without test plugs. And versions with internal or external thread connections. The flow capacity increases to a broad range of 20 l/h up to 6,000 l/h and can accurately be measured with the PFM 1000 measuring instrument via Bluetooth on iOS and Android devices.
AB-QM 4.0 is engineered to be the indisputable best PICV on the market. For example it has a scaling & clogging resistant design, PN25 Nominal Pressure, accurate flow measuring and bi-directional filling and flushing. These provide many advantages for designers, installers and end-users.
PICV's increase the energy efficiency of HVAC heating and cooling systems. AB-QM 4.0 is designed for terminal units such as fan-coil units, climate ceilings and chilled beams. Equipped with one of our actuators they accurately control the room temperature and improve the indoor climate. In case it's equipped with our digital actuator, NovoCon S, it enables HVAC 4.0 systems for smart buildings with Internet of Things (IoT) solutions.
Features and benefits
Specification & installation
- BEST-in-class control performance from 10-100% setting
- NEW visible setting scale with mounted actuator
- NEW accurate flow measuring
- NEW higher flow range
- NEW version with internal thread
- NEW valve body PN25, DN 15-32
- NEW bi-directional filling and flushing
Reliability & robustness
- BEST-in-class reliability and robustness
- NEW scaling and clogging resistant design
- Successful lifetime performance tests
- Extended warranty periods for projects
Connectivity and data (with NovoCon S actuator)
- Plug & play BMS integration with BACnet or Modbus bus communication
- Remote commissioning, flow setting, flushing, error detection
- HVAC data collection
- Predictive maintenance
- Optional Active Energy Management, Remote I/O or 4-pipe ChangeOver
Total Cost of Ownership & Return On Investment
- Lower installation costs
- Shorter handover phase
- Lower running costs
- BEST user comfort
- BEST HVAC system efficiency
New: AB-QM 4.0
Get ready for the next level value of your PICV designs.
AB-QM 4.0 Flexo
Increase flexibility and save time during installation, commissioning and servicing of Fan Coil Units (FCUs) with AB-QM 4.0 Flexo. It's a pre-assembled and pressure tested connection set, designed for increased installation flexibility and prefab projects. The set consists of an AB-QM 4.0, three 2-way ball-valves, a drain valve and three test plugs for pressure- or flow measurements. With these the set provides an 8-in-1 solution for hydronic balancing, control, measuring, installation, flushing, filling, draining and servicing of the Fan Coil Units they are installed on.
AB-QM 4.0 Flexo is available in DN15 and DN20. Sets in DN15 contain an AB-QM 4.0 PICV valve with Low Flow, Normal Flow or High Flow, covering design flows from 20 – 1200 l/h. The DN20 sets come with a Normal Flow or High Flow AB-QM 4.0 valve and cover design flows from 110-1900 l/h.
For both DN15 and DN20 sets matching flexible, stainless steel, pipes and EPP insulation are available.
Documents
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3D models and drawings
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
BIM library for MEP designs
Get your 3D BIM objects and start design HVAC 4.0 for smart buildings.
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.
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Increase installation flexibility with AB-QM pre-assembled and pressure tested connection sets for Fan Coil Units.
This is where the HVAC transformation starts
Find out more about our smart, Building Management System (BMS) connected, HVAC solutions here:
Warranty
The standard product warranty on AB-QM 4.0 is 2 years. For projects we can agree on an extended warranty period for a full peace of mind. Contact a Danfoss sales representative to find out more.