The motor drive for angle seat valves (KFR valves) allows for the retrofitting of existing and already installed shut-off valves into remotely controlled intelligent devices without interrupting the water supply or cutting into the water pipe. The motor is powered by a 12V power supply and is completely water and dirt-resistant up to the power supply. Various adapter rings and a sophisticated connection system enable the use of the motor on all modern angle seat valves from DN15 to DN32. Thanks to an additional water sensor that is directly connected to the device, the motor can be used for leak protection without further configuration.
The servo motor is waterproof and can be used in damp, dirty, and outdoor environments. In the open position, the motor automatically performs valve training once a week (closing/opening by 1/8 turn to remove dirt and scale). The device is also capable of measuring the rotation angle and detecting the end positions of the lever. It approaches the end positions slowly to avoid friction and unnecessary mechanical stress. It is powered by an external 12V power supply through a waterproof coupling. A wired leakage sensor can be directly connected to the device. If this sensor detects water, the valve is shut off.
The device is controlled either through the local button or a switch input on the 'Dry Contact Controller.' The connection between the Dry Contact Controller and the actual motor is established through an encrypted LoRa wireless connection. This robust wireless technology allows for seamless motor control through multiple walls or in the garden.
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