Description
DANFOSS Pressure Independent Balancing Control Valves (PIBCV) AB-QM
The result of this concept is a high performing control valve with a – still – unique valve authority of 100%. The design flow can easily be set to the needed amount by using a 20-100% scale. Simply setting the design flow replaces traditional commissioning processes, gives a much more accurate control and avoids Kv calculations for system designers. AB-QM 003Z0772 Product name: AB-QM DN50 PN16 – Flange 3TP AB-QM 003Z0793 Product name: AB-QM DN 65 HF PN16 3TP Danfoss AB-QM was the first of its kind control valve for HVAC heating and cooling applications. It is a control valve with automatic flow limitation and built-in differential pressure control functioning over the control valve. 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. 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 Improved indoor comfort Energy savings Reduced maintenance costs |
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