SYSTEM FOR CONTROL AND ELIMINATION OF HAZARDOUS CONDITION OF MAIN Russian patent published in 2011 - IPC F16L7/00 

FIELD: machine building.

SUBSTANCE: system for control and elimination of hazardous condition of main refers to pipeline transport and can be used for control over technical condition of potentially hazardous sections of mains, for example, at main crossing roads and at their mutual crossing. The system for control and elimination of hazardous condition of the main consists of a protective jacket, of an exhaust bleeder pneumatically connected to the jacket, and also of filter medium covered with gas impermeable material on top. Also, filter medium covered with gas impermeable material is positioned along whole controlled section of the main functioning as a protective jacket, in the exhaust bleeder of which there are installed sensors of parameters of technical condition of the main.

EFFECT: increased processability of replacement of out-of-order section of main at objective control of presence or absence of main hazardous condition.

3 cl, 1 dwg