Room Thermostats

Combination valves

The Danfoss AB-QM is an automatic flow limiter that can be fitted with an actuator to create a control valve with integrated automatic flow limitation. The valve is extremely compact and is perfectly suited for the high demands of modern cooling and heating systems.
 
Setting the desired flow on the flowlimiter is extremely easy and can be done without tools. The advanced technology of the AB-QM ensures that the flow in the installation are accurately controlled under all circumstances and independent of the load on the system.
 
The AB-QM has an integrated differential pressure controller that keeps the pressure across the control valve constant. Because of this, the control valve automatically has an authority of 100% which provides stable and precise control.

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AB-QM Flow limiter

AB-QM Flow limiter
Select the right AB-QM's and to calculate the right settings and to choose the right actuators.

Try the AB-QM Calculation Programme



A very safe and reliable choice

A very safe and reliable choice

Our products are subjected to rigorous testing during every step of the manufacturing process to ensure that only flawless products reach our customers. What is more, our product range is compatible to enable our customers to put together well balanced heating systems. 
 
Our products offer high performance levels and are designed to have long lifetimes.
 
Together this makes Danfoss products the prefered choice for consulting engineers and installers worldwide.