| 摘要 |
A flow meter for liquids in particular water equipped with blade rotor characterised in that the blade rotor (2), whose dimensions are the same for several nominal diameters of flow meters, is mounted on bearings perpendicularly to the stream direction in the measuring insert (6) seated in the body (1) of the flow meter, and a worm (3) is permanently connected with the blade rotor (2) axis.<IMAGE>
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