| 摘要 |
An improved greasing valve (10, 10′) for pressure devices especially suitable for being applied on plants for applications on pressure devices/plants/containers such as valves, pumps, conduits, compressors, turbines, boilers, tanks and the like, containing liquid or gas with the function of preventing leaks of liquid or gas and allowing pressure control in the plant in case of maintenance work and prior to removing components, the valve comprising devices for cutting off the fluid or gas, lubrication devices and control devices, with said axial and ball/pin sealing devices integrated and/or assembled to a body (12, 12′) of the same safety valve.
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