FIELD: machine building.
SUBSTANCE: device for connection of pipeline to gas pipelines without gas pressure reduction relates to oil and gas production industry, to pipeline transport, in particular to devices for connection of pipeline to gas pipelines without reduction of gas pressure. Device comprises case with transition flanges, spindle, reducer device joined to spindle, driving handle, switch of regular and quick-action feed of cutter tool fixed at spindle end, ratchet mechanism installed in case of driving handle for interrupted rotary motion of driving handle with back idle stroke, having two ratchet wheels directed oppositely, with two ratchets and switch, having positions for forced disengagement of one or the other ratchet and neutral position, in which both ratchets are engaged with according ratchet wheels.
EFFECT: reliability improvement.
4 dwg
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