Flow direction: right to left overall length: 170 mm pmax: 10 bar at 20° C body: 1.4571, welded butterfly valve: 1.4571 bearing: 1.4571 disc: 1.4571 Standard seals: FKM Polycarbonate disc Display transmission: magnetic by pointer on scale The device is designed according to PED for use in category 2 and can also be used in category 1 and Art. 3.3.