DEVICE FOR PROTECTION OF PIPELINE Russian patent published in 2014 - IPC F16L55/55 F16K17/22 F16K47/02 

Abstract RU 2521531 C1

FIELD: construction.

SUBSTANCE: device contains a housing, consisting of two parts, besides the inner cavity of the lower part of the housing is connected to a pipeline to be protected, and the cavity of the upper part of the housing is lead to the atmosphere, and air intake valve of direct-action, providing connection of the inner cavity of the housing to the atmosphere, an air valve, the upper part of the housing is mounted relatively to its lower part with a gap, where an air outlet channel is formed and a float valve is placed in the inner cavity of the lower part of the housing, it is formed as a float arranged in the basket, having the ability to move along the guides fixed to the basket, besides the basket is provided with windows, hydraulically connecting the inner cavity of the basket with the cavity of the lower part of the housing and with the channel for air outlet, in which a backup valve with a remotely controlled actuator is installed.

EFFECT: improving the reliability of the device operation and protection level of the pipeline.

3 dwg

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RU 2 521 531 C1

Authors

Chernov Sergej Vasil'Evich

Babin Valerij Aleksandrovich

Vorotjagin Sergej Jur'Evich

Kurylev Andrej Vadimovich

Dates

2014-06-27Published

2013-04-23Filed