FIELD: holders for gas-shielded welding. SUBSTANCE: seat has longitudinal circular recess where flexible wing is movably fitted forming hermetic chamber filled with liquid. Hollow rod is provided with bypass holes one of which is connected with outlet passage by means of radial holes of bush. Second hole is located at level of end face of seat. Rod and valve are mounted in spaced relation when shutoff device is in closed position. EFFECT: enhanced reliability. 4 dwg
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Authors
Dates
1997-05-10—Published
1994-01-31—Filed