FIELD: instrument making.
SUBSTANCE: proposed casing comprises top and bottom cylindrical semi-casings bolted together, tightening rings with flange joint. Appropriate semi-rings are welded to each end of aforesaid semi-casings to make single closed chamber. Additional gland seal is fitted in end clearance between casing and pipeline to seal end clearances. Joint sealing gasket is fitted in flange joint. Bore with set of seals is arranged on casing bottom part to allow cable to get into casing inner space. Aforesaid top and bottom parts are interconnected by electric conductor. Gland seal consists of at least three coils of sealing cord. Top casing is provided with inspection hatch to check well inner space for presence of inflammable objects and check inner space conditions without dismantling casing cover.
EFFECT: simplified design, protection against moisture and corrosion.
7 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PROTECTION OF VENT AGAINST UNAUTHORISED ACCESS | 2012 |
|
RU2524589C1 |
| PIPELINE WELL | 2008 |
|
RU2371549C2 |
| METHOD OF SEPARATION OF DELIVERY AND INLET CHAMBERS OF SPIRAL HOUSING OF CENTRIFUGAL PUMP IN CONDUCTING HYDRAULIC TESTS | 1994 |
|
RU2065088C1 |
| OIL-AND-GAS PIPE COUPLING AND METHOD OF ITS ASSEMBLY, STRAP, COUPLING GUIDE-SUPPORT RING AND DEVICE FOR ITS ASSEMBLY | 2012 |
|
RU2526137C2 |
| SHUTOFF VALVE | 2011 |
|
RU2484345C1 |
| METHOD FOR INTRODUCING A PIPE INTO A CABLE DUCT MANHOLE | 2021 |
|
RU2767773C1 |
| SEAL FOR FLANGED CONNECTION | 2023 |
|
RU2799160C1 |
| PROTECTIVE CASE (VARIANTS) | 2004 |
|
RU2253720C1 |
| NUCLEAR REACTOR CONTROL ELEMENT DRIVE | 2002 |
|
RU2241267C2 |
| METHOD FOR TESTING TECHNOLOGICAL MODULES OF DEEP-SEA SUBMERSIBLES FOR INTERNAL PRESSURE USING A STAND FOR TESTING TECHNOLOGICAL MODULES OF DEEP-SEA SUBMERSIBLES FOR INTERNAL PRESSURE | 2022 |
|
RU2788819C1 |
