Hydraulically operated post valve yoke

摘要

A hydraulicly operative post valve yoke mounting system. The system (10) includes a plurality of hydraulicly operated yokes (41-44). Each yoke is operative to engage with a tank or cylinder (21-24) for placing the tanks in fluid communication with a high pressure source of gas (50). Each yoke includes a yoke body (140). The upper ends of each yoke body include a bore (116). A pin (104) is operative to slide through each bore. Each yoke body includes an opening (124) that is operative to receive a post valve (108) of a tank (110). Each yoke is operative to urge the post valve with the pin into sealed engagement with a passageway (142) in the lower end (114) of each yoke responsive to hydraulic fluid pressure. The hydraulic pressure may be supplied by a hydraulic pump (28) in fluid communication with hydraulic yoke.