A shut-off valve for the plumbing sector for shutting off a line through which a fluid can flow that preferably includes a housing having at least two connecting pieces. A flow path is defined from one of the connecting pieces through the housing to another of the connecting pieces, and a shut-off b
A shut-off valve for the plumbing sector for shutting off a line through which a fluid can flow that preferably includes a housing having at least two connecting pieces. A flow path is defined from one of the connecting pieces through the housing to another of the connecting pieces, and a shut-off body is disposed rotatably in the housing with a single shut-off section running crosswise to the flow path. Preferably, the shut-off segment is constituted as a spherical segment, and the shut-off body can be moved between a closed position in which the flow path is completely blocked to only one of the connecting pieces and an open position in which the flow path is completely clear. A switching shaft which is rotatably mounted in the housing and is connected in a rotationally fixed manner at its one end to the shut-off body.
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1. A shut-off valve for the plumbing sector for shutting off a line through which a fluid can flow, comprising: a housing comprising at least two connecting pieces, wherein a flow path is defined from one of the connecting pieces through the housing to another of the connecting pieces;a shut-off bod
1. A shut-off valve for the plumbing sector for shutting off a line through which a fluid can flow, comprising: a housing comprising at least two connecting pieces, wherein a flow path is defined from one of the connecting pieces through the housing to another of the connecting pieces;a shut-off body disposed rotatably in the housing, wherein the shut-off body comprises only a single shut-off section that is constituted as a portion of a sphere, wherein the shut-off body is movable between a closed position in which the shut-off section completely blocks the flow path to only one of the connecting pieces and an open position in which the shut-off section does not block the flow path;a switching shaft rotatably mounted in the housing, wherein the switching shaft is constituted as a hollow shaft and is connected in a rotationally fixed manner at one end to the shut-off body; anda hollow spindle mounted in the switching shaft, wherein the hollow spindle is provided with an inlet opening at an end facing the shut-off body, an outlet opening at an end facing away from the shut-off body and a drainage channel that leads from the inlet opening to the outlet opening, wherein the hollow spindle is displaceable relative to the switching shaft from a first position, in which the drainage channel is in fluid communication with the flow path via the inlet opening, to a second position, in which the drainage channel is not in fluid communication with the flow path and the inlet opening is blocked, and wherein the hollow spindle is formed by at least two spindle parts connected rotatably to one another. 2. The shut-off valve according to claim 1, wherein the shut-off section is constituted as a portion of one of a hollow sphere and a solid sphere. 3. The shut-off valve according to claim 1, wherein the shut-off body comprises a first connection section, by means of which the shut-off section is connected in a rotationally fixed manner to the switching shaft. 4. The shut-off valve according to claim 1, wherein the shut-off body is connected rotatably at its underside facing away from the switching shaft to the housing by means of a bearing element. 5. The shut-off valve according to claim 4, wherein the shut-off body comprises a second connection section, by means of which the shut-off section is connected in a rotationally fixed manner to the bearing element. 6. The shut-off valve according to claim 3, wherein the shut-off section and at least one of the first and second connection section are constituted in one piece with one another. 7. The shut-off valve according to claim 1, wherein the shut-off body is a sheet-metal shaped part, which has a uniform wall thickness. 8. The shut-off valve according to claim 1, wherein the housing comprises a first housing part, which contains one of the connecting pieces, and a second housing part, which contains another of the connecting pieces, wherein the two housing parts are connected to one another via an intermediate piece. 9. The shut-off valve according to claim 8, wherein the intermediate piece accommodates the switching shaft. 10. The shut-off valve according to claim 8, wherein the two housing parts each comprise a seating section, and wherein the shut-off body can be rotated via the switching shaft through at least 180° from a first closed position, in which the shut-off section abuts against the seating section of one of the housing parts, into a second closed position, in which the shut-off section abuts against the seating section of the other of the housing parts. 11. The shut-off valve according to claim 1, wherein the hollow spindle comprises a section which, at the end of the switching shaft facing away from the shut-off body, projects out of the latter. 12. The shut-off valve according to claim 11, wherein the section is provided with one or a plurality of peripheral projections, and wherein a hexagon is formed on the section. 13. The shut-off valve according to claim 1, wherein a handle is connected in a rotationally fixed manner to the switching shaft. 14. The shut-off valve according to claim 11, wherein a handle is connected in a rotationally fixed manner to the switching shaft, and wherein the handle radially surrounds the section of the hollow spindle that projects out of the switching shaft. 15. The shut-off valve according to claim 13, wherein the handle comprises a removable cap which covers one of the switching shaft and the hollow spindle in an axial direction. 16. The shut-off valve according to claim 1, wherein the hollow spindle is movable in a direction toward the shut-off body from the second position, in which the inlet opening is blocked, into the first position, in which the drainage channel is in fluid communication with the flow path via the inlet opening. 17. A method for the production of a shut-off valve according to claim 13, the method comprising: preassembling the switching shaft, the hollow spindle and the handle as a structural unit;inserting the structural unit into the housing; andsecuring the structural unit inserted into the housing against blowout by means of a snap ring.
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