FIELD: machine building.
SUBSTANCE: invention relates to fuel and power complex, in particular to devices for fuel stations, namely to joint units of tap gun. Coupling comprises case with inlet nozzle and axial channel and outlet nozzle, at the same time it is equipped with at least one transparent indicator glass, normally open valve with spring, fixed bush, at one end of which there is valve seat arranged, with elastic element and movable bush with outlet nozzle. Movable bush is installed in fixed bush with the possibility of rotation around axis and axial fixation with the help of elastic element installed in grooves between bushes. Fixed bush is fixed in axial channel of case, and glass is arranged accordingly in at least one radial channel of case communicated with axial channel. Valve is spring-loaded to partition arranged in movable bush, at the side that is opposite to outlet nozzle.
EFFECT: increased reliability and durability of fuel stations.
1 dwg
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