FIELD: transport.
SUBSTANCE: filling-up-draining device to fill onboard tanks with cryogenic, explosive or toxic fuel components incorporates an identical-design enclosed filling and draining valves, onboard tank fuel pipeline, the main line of the stationary filling-up system or onboard tank, the main line of the stationary draining system or a neutralise, in the case of toxic fuels. Note that the mechanisms of every valve consists of two independent units, one representing a shut-off unit made up of a seat with a sealing sleeve and a spring and arranged at onboard tank fuel pipeline. The other one represents the shut-off unit pusher made up of a piston with a rod, a return spring and isolating bellows.
EFFECT: complete tightness in filling in and draining, remote control, blowing dead spaces off and filling with helium, minimum weight and sizes.
4 cl, 4 dwg
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