MxM ball valve with integrated filter screen FM 28 with backwash device by further turning the valve in accordance with EN 13828. Technical data: Screen mesh size: 0.7 mm Max. operating temperature: 120 degrees C Max. operating pressure: 10 bar Nominal size DN: 25 Connection: G 1 Kv value: 7.5 MxM ball valve with integrated filter screen FM 28 with backwash device by further turning the valve in accordance with EN 13828.MxM ball valve with integrated filter screen FM 28 with backwash device by further turning the valve in accordance with EN 13828.