BE520730A - - Google Patents
Info
- Publication number
- BE520730A BE520730A BE520730DA BE520730A BE 520730 A BE520730 A BE 520730A BE 520730D A BE520730D A BE 520730DA BE 520730 A BE520730 A BE 520730A
- Authority
- BE
- Belgium
- Prior art keywords
- valve
- passage
- fluid
- shutter
- borehole
- Prior art date
Links
- 239000000314 lubricant Substances 0.000 claims description 92
- 239000012530 fluid Substances 0.000 claims description 73
- 238000007789 sealing Methods 0.000 claims description 53
- 238000005461 lubrication Methods 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 230000001050 lubricating Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 claims 4
- 210000002832 Shoulder Anatomy 0.000 description 9
- 238000000926 separation method Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 210000002414 Leg Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 210000001699 lower leg Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/22—Features relating to lubrication
- F16K5/225—Features relating to lubrication for plugs with cylindrical surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Taps Or Cocks (AREA)
- Sliding Valves (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE520730A true BE520730A (de) |
Family
ID=156513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE520730D BE520730A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE520730A (de) |
-
0
- BE BE520730D patent/BE520730A/fr unknown
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