| 摘要 |
<p>A flow regulator, intended for gaseous substances, in particular for air-inconditioning and ventilation installations, for maintaining the volumetric flow of the gaseous substance at desired magnitude with sufficient accuracy when the differential pressure acting across the flow regulator (10) varies within desired limits. The flow regulator (10) comprises an envelope (11) and a regulating member (12) disposed in the flow passage confined by the envelope (11). The flow regulator (10) is provided with limiter members (25; 26a, 26b) for limiting the differential pressure range of the flow regulator, said limiter members (25; 26a, 26b) being disposed to restrict the movement of the regulating member (12). The limiters (26a, 26b) are adjustable and/or self-adjusting. The flow regulator (10) has a scale (39) for setting the limit members (25; 26a, 26b).</p> |
