X1f40 3-port valve, flanged connections, PN16, DN40, kvs = 35 m3/h, dpmax = 250/450/900 kPa (mixing)

Key data to replacement product: VXF53.50-40, flanged connections, nodular cast iron, PN25, DN50, kvs = 40 m3/h, dpmax = 300/400/1150 kPa (mixing)

Info: Consider different dimensions of valve-actuator combination, verify if Additionally order adapter ALF41B50 for bypass needs to be ordered additionally
Replace actuator (20 mm stroke), adjust electrical connections and wiring. Attention: Slightly higher kvs value, PN25.