пожежний кран
fuel shut-off
check valve / non-return valve
non-return valve / check valve
on-off valve
fuel needle valve
fuel tank selector valve
fuel-return valve (FRV)
fuel discharge valve
fuel inlet line shutoff valve
fuel shutoff valve lever
fuel valve
off-route (off route)
off-design / off design
lift-off / lift off
on-off keying; on/off keying (OOK)
Proton Exchange Membrane Fuel Cell (PEM fuel cell, PEMFC)
air valve bank
amplifying valve
directional-control hydraulic valve
inlet valve
vent valve
valve rocker shank
oil cooler bypass valve
slave valve
valve chatter
adjustable valve
air breed valve
air input valve
air slide valve
air suction valve
automatic inlet valve
auxiliary air valve