X1fr50 3-port valve, cast steel, flanged connections, DN50, PN16, kvs= 50 m3/h

Key data to replacement product: VXF43.65-63, 3-port valve, nodular cast iron, flanged connections, DN65, PN16, kvs= 63 m3/h

Info: Consider different dimensions of valve-actuator combination, verify if Additionally order adapter ALF41B65 for bypass needs to be ordered additionally
Replace actuator (40 mm stroke), adjust electrical connections and wiring. Attention: DN65, higher kvs value, PN25. Examine if VXF53.50-40 with kvs value40 m3/h is sufficient, if yes requires actuator with 20 mm stroke.