| 摘要 |
Safety device which can be fitted to the orifice of a tank containing a pressurised fluid, the device comprising a main body 1 provided with a neck 2 and a support 4 interacting with a depression valve, pressure-relief valve 17 and a pressure valve arranged concentrically. The pressure valve comprises a stopper element 26 which can be opened as a function of the inclination of the tank by means of a weighted ball 30. <IMAGE>
|
