FIELD: pipe-line. SUBSTANCE: shut-off device is intended for cutting-off of pipe-lines with liquid medium. Rod is enveloped with torus filled with gaseous medium under pressure. Rod is manufactured hollow and has central inlet and radial outlet holes positioned coaxially. Movement mechanism is composed of rollers placed on both sides of torus. EFFECT: enhanced reliability and safety. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| VALVING UNIT | 1990 |
|
RU2016313C1 |
| SHUT-OFF DEVICE | 1990 |
|
RU2015437C1 |
| CLOSING DEVICE | 1990 |
|
RU2020346C1 |
| SHUT-OFF DEVICE | 1990 |
|
RU2015435C1 |
| SHUTOFF DEVICE FOR PIPELINE BLOCKING | 2004 |
|
RU2267046C1 |
| SHUTOFF DEVICE FOR PIPELINE BLOCKING | 2004 |
|
RU2267045C1 |
| CUT-OFF DEVICE | 0 |
|
SU1815454A1 |
| CUT-OFF DEVICE | 0 |
|
SU1815453A1 |
| CUT-OFF DEVICE | 0 |
|
SU1815452A1 |
| PIPELINE SHUT-OFF DEVICE (VERSIONS) | 2008 |
|
RU2359161C1 |
