| 摘要 |
<p>A cleaning system for cleaning one or more valve seats in a valve and for cleaning one or more interior surfaces of said valve with a cleaning agent, where said cleaning system are preferably arranged in a mixproof valve (1) consisting of at least a valve body (2), one or more valve seats (5, 9), a first valve plug (4) with a first stem (6) and a second valve plug (8) with a second stem (10), the second valve plug having a central hollow part (11) for guiding the first stem. Said cleaning system has nozzle means (17) for creating two different spray patterns, said nozzle means being arranged between and/or on the first stem and the hollow central part of the second valve plug, where a first spray pattern is primarily used for cleaning the interior surfaces of said valve and where a second spray pattern is primarily used for cleaning one or more of said valve seats, while the valve is open between a product area (14) and a drain area (15).</p> |
