FIELD: machine engineering.
SUBSTANCE: invention can be used as the shut-off valve in the pipelines of NPP, TPP, main oil and gas lines. There are lubricating elements located in a housing above and below sealing seats and interacting with working surfaces of a lifting gate and made of solid lubricant. The lubricating elements are provided with devices for pressing them to the lifting gate.
EFFECT: reduction of wear intensity of conjugated flat working surfaces of lifting gate and sealing seats.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SPLITTING DEVICE FOR PIPING | 2015 |
|
RU2684460C2 |
| GATE VALVE | 2022 |
|
RU2822725C2 |
| GATE VALVE WITH COMPOSITE THREE-ELEMENT GATE | 2020 |
|
RU2761889C1 |
| SLIDING SHUTTER (VERSIONS) | 2011 |
|
RU2479774C1 |
| GATE VALVE ASSEMBLY | 2022 |
|
RU2787087C1 |
| EARTHQUAKE-RESISTANT GATE VALVE | 2021 |
|
RU2760414C1 |
| 0 |
|
SU394614A1 | |
| SLIDE VALVE | 2019 |
|
RU2730895C1 |
| SHUTOFF AND CONTROL GATE VALVE | 2010 |
|
RU2464470C2 |
| GATE VALVES | 2014 |
|
RU2578548C1 |
