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6-3-1-13-8-dempfer-drosselnojj-zaslonki.html
6.3.1.13.8. Damper of a butterfly valve The damper is installed on the left side of the case of a butterfly valve. Its work can be checked, being guided by the instructions provided in subsection 6.4.2.7.2. Removal and installation
| PERFORMANCE ORDER |
| 1. For its removal turn off a fixing nut and remove a damper from a fixing arm. |
| 2. At installation establish a damper and tighten a fixing nut till the required inhaling moment. |
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