FIELD: machine building.
SUBSTANCE: pressure gauge fitting with lock mechanism contains stop valve secured in stock with through longitudinal hole, that is screwed in fitting body with possibility of axial movement and stop valve control to close the through longitudinal hole in the stock and in fitting body. The support washer is installed in chamber between stock and fitting body to secure the lock mechanism in "opened" position, and gland packing secured by bushing and pressed by nut, on stock nut is installed for the pressure gauge installation.
EFFECT: manufacturing of pipeline welded fitting with independent lock mechanism for the pressure gauge installation directly on stock of the lock mechanism, and with design possibility of the fitting cut-in, repair without oil and gas transportation stop.
11 dwg
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