Patent ID: 7552910

Claim:
A handling device associable to an on-off valve of a fluid in a duct, wherein said valve comprises a valve body and a fluid on-off device housed into said valve body, said valve being suitable for switching from a closed configuration, wherein it prevents the fluid flow into said duct, to an open configuration, wherein it allows the fluid flow into said duct and vice versa, said handling device comprising: handling means suitable for being gripped by an operator for switching the valve from the closed configuration to the open configuration and vice versa; a connection device associable to said valve body, said connection device supporting said handling means; spring back means suitable for influencing said handling means for returning said valve from the open configuration to the closed configuration, said spring back means supported by said handling means, wherein said handling means comprise a cylindrical lining suitable for substantially housing said spring back means therein; and a positioning and support device suitable for positioning and supporting said spring back means relative to said handling means, wherein said positioning and support device comprises at least one pin connected to a flange integral in rotation with said on-off device of the valve.