65637bd9



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.