| 摘要 |
<p>The invention relates to a shut-off device for low-temperature media, with a housing (2), a valve seat (5) located in the housing (2), and a butterfly valve (3) that triggers the valve seat and that is pivotally supported in the housing (2), on the housing (2) at least one flange (10) being formed for mounting the shut-off device in a pipeline. The object of making available a low-temperature shut-off device at low construction cost and maintenance cost is achieved according to the invention in that the flange (10) of the housing (2) is designed as a welding flange (10a, 10b) for attachment of the shut-off device (1) in the pipeline by means of a weld joint, especially a butt weld joint, and the housing (2) is provided with a housing opening (11) for mounting and/or removing the butterfly valve (3).</p> |
