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Heating and cooling systems designed with a constant flow principle circulate large amounts of water. To do that as efficiently as possible, it is important to ensure that the design flows in the different parts of the system are correct. Manual balancing valves are the best option in these types of systems. Once installed, they can be commissioned and set to the design flow without the risk that flows will change due to partial load conditions. For a proper hydronic balance in the system, a series of manual balancing valves are installed, varying in size according to the required flow in specific parts of the system.

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 […]