Davit arrangement

Maintenance of drums is limited to removal of such exterior components as large relief or control valves for off-site repair. Handling of these items can be achieved either by fixed davits or by mobile equipment. Davit arrangements for tall vertical drums should be in accordance with tower requirements. Davits are not usually furnished at horizontal drums if... 

Handling sucii removable items as relief valves and valve drives for off-site repair and catalyst loading can be achieved by fixed handling devices or by mobile equipment. Fixed handling devices can be davits or, for structure-mounted reactors, trolley beams. Exhibit 9-25 depicts a typical davit arrangement, and Exhibit 9-26 shows a trolley beam arrangement. 

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