PIPELINE SHUT-OFF DEVICE Russian patent published in 2008 - IPC F16L55/10 

Abstract RU 2338953 C2

FIELD: mechanics.

SUBSTANCE: split clamps, pinned together and locked by nuts, are arranged on the pipeline coupled flanges, the mounting pins being fitted parallel to the pipeline. One of the aforesaid pins accommodates a rotary inserts, a no-go insert representing a dummy plate and a through insert representing a circular plate. The aforesaid inserts are furnished with ears for them to be seated on the pins. The flange hub is made up of two parts tightly coupled by a U-tube composed of flat rings.

EFFECT: compensating properties and preservation of joint parameters in replacing inserts.

1 dwg

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RU 2 338 953 C2

Authors

Rjabinin Vjacheslav Petrovich

Averkin Evgenij Sergeevich

Matveicheva Irina Anatol'Evna

Osokin Igor' Ivanovich

Dates

2008-11-20Published

2007-03-07Filed