| 摘要 |
<p>A self-cleaning flow gauge for heating systems; the gauge comprises a hollow cylindrical body inside which is a transparent sleeve with a graduated scale for reading the flow values rendered visible through a longitudinal window in the body of the gauge; a flow gauge in the form of a floating annular element, countered by a spring, is housed inside the transparent sleeve. The sleeve is supported in rotary mode between a first angular position in which the graduated scale is visible through the reading window in the body of the gauge, and a second angular position in which the internal surface of the transparent sleeve, in correspondence with the graduated scale, is surrounded by an annular gasket which impedes any contact with the fluid, keeping it clean. <IMAGE></p> |
