Slide valve

1. A slide valve ( 20 , 25 ) having a slide valve plate ( 32 , 63 ) movable in a slide valve rail ( 29 , 67 ) between a locked position and an open position in a slide valve casing ( 26 , 78 ), said slide valve rail ( 29 , 67 ) being provided with a slide valve seal for attaining a gas-proof locked position, characterized in that the slide valve rail ( 29 , 67 ) is connected to the slide valve casing ( 26 , 78 ) via a flange connection in such a manner that the slide valve rail ( 29 , 67 ) is removable from the slide valve casing ( 26 , 78 ) radially to a flow axis ( 60 , 95 ) of the slide valve ( 20 , 25 ) so that the slide valve casing ( 26 , 78 ) may remain in place while the slide valve seal is exchanged, wherein the slide valve rail ( 29 , 67 ) has two rail halves ( 30 , 31 ; 68 , 69 ), each including a seal element ( 33 , 34 ; 70 , 71 ) for sealing against a slide valve plate surface ( 45 , 46 ) to form the slide valve seal, wherein the rail halves ( 30 , 31 ) are removable from the slide valve casing ( 26 ) independently of each other.

2. The slide valve according to claim 1 , characterized in that the rail halves ( 30 , 31 ; 68 , 69 ) each comprise an axial support device ( 47 , 48 ) for supporting against the slide valve plate surfaces ( 45 , 46 ) on both sides.

3. The slide valve according to claim 1 , characterized in that at a casing connection side, the rail halves ( 30 , 31 ; 68 , 69 ) have a circular flange ( 49 , 50 ; 83 , 84 ) for forming the flange connection as a clamp connection ( 51 , 52 ; 79 , 80 ) using a circular flange ( 53 , 54 ; 81 , 82 ) formed at a casing part ( 27 , 28 ; 76 , 77 ) of the slide valve casing ( 26 , 78 ).

4. The slide valve according to claim 1 , characterized in that the rail halves ( 30 , 31 ) comprise a seal carrier ( 35 , 36 ) for disposing the seal element ( 33 , 34 ), said seal carrier ( 35 , 36 ) serving for being connected to a casing part ( 27 , 28 ) of the slide valve casing ( 26 ).

5. The slide valve according claim 1 , characterized in that the rail halves ( 30 , 31 ) are realized differently to each other.

6. The slide valve according to claim 1 , characterized in that the slide valve plate ( 63 ) is a component of a mounting unit ( 91 ).

7. The slide valve according to claim 6 , characterized in that for forming the mounting unit ( 91 ), the rail halves ( 68 , 69 ) are connected to each other having the slide valve plate ( 63 ) therebetween and by means of a temporary mounting safeguard ( 87 ).

8. The slide valve according to claim 7 , characterized in that for forming the mounting safeguard ( 87 ), the rail halves ( 68 , 69 ) are braced against each other using axial bracing devices.

9. The slide valve according to claim 8 , characterized in that the rail halves ( 68 , 69 ) are formed differently to each other and the slide valve plate ( 63 ) is shaped like a cup.

10. The slide valve according to claim 9 , characterized in that for disposing the seal element ( 70 , 71 ), the rail halves ( 68 , 69 ) comprise a seal carrier ( 72 , 73 ) which simultaneously serves for forming a support device in such a manner that the support device forms a reception for the seal element ( 70 , 71 ).

11. A slide valve ( 20 , 25 ) having a slide valve plate ( 32 , 63 ) movable in a slide valve rail ( 29 , 67 ) between a locked position and an open position in a slide valve casing ( 26 , 78 ), said slide valve rail ( 29 , 67 ) being provided with a slide valve seal for attaining a gas-proof locked position, characterized in that the slide valve rail ( 29 , 67 ) is connected to the slide valve casing ( 26 , 78 ) via a flange connection in such a manner that the slide valve rail ( 29 , 67 ) is removable from the slide valve casing ( 26 , 78 ) radially to a flow axis ( 60 , 95 ) of the slide valve ( 20 , 25 ) so that the slide valve casing ( 26 , 78 ) may remain in place while the slide valve seal is exchanged, wherein the slide valve rail ( 29 , 67 ) has two rail halves ( 30 , 31 ; 68 , 69 ), each including a seal element ( 33 , 34 ; 70 , 71 ) for sealing against a slide valve plate surface ( 45 , 46 ) to form the slide valve seal, wherein that the rail halves ( 30 , 31 ; 68 , 69 ) each comprise an axial support device ( 47 , 48 ) for supporting against the slide valve plate surfaces ( 45 , 46 ) on both sides.

12. The slide valve of claim 11 , wherein the rail halves ( 30 , 31 ) are removable from the slide valve casing ( 26 ) independently of each other.

13. The slide valve of claim 11 , wherein the rail halves ( 68 , 69 ) are removable from the slide valve casing ( 78 ) as a connected mounting unit ( 91 ).

14. The slide valve of claim 11 , wherein the rail halves ( 30 , 31 ) are realized differently to each other.

15. The slide valve according to claim 11 , wherein at a casing connection side, the rail halves ( 30 , 31 ; 68 , 69 ) have a circular flange ( 49 , 50 ; 83 , 84 ) for forming the flange connection as a clamp connection ( 51 , 52 ; 79 , 80 ) using a circular flange ( 53 , 54 ; 81 , 82 ) formed at a casing part ( 27 , 28 ; 76 , 77 ) of the slide valve casing ( 26 , 78 ).

16. A slide valve ( 20 , 25 ) having a slide valve plate ( 32 , 63 ) movable in a slide valve rail ( 29 , 67 ) between a locked position and an open position in a slide valve casing ( 26 , 78 ), said slide valve rail ( 29 , 67 ) being provided with a slide valve seal for attaining a gas-proof locked position, characterized in that the slide valve rail ( 29 , 67 ) is connected to the slide valve casing ( 26 , 78 ) via a flange connection in such a manner that the slide valve rail ( 29 , 67 ) is removable from the slide valve casing ( 26 , 78 ) radially to a flow axis ( 60 , 95 ) of the slide valve ( 20 , 25 ) so that the slide valve casing ( 26 , 78 ) may remain in place while the slide valve seal is exchanged, wherein the slide valve rail ( 29 , 67 ) has two rail halves ( 30 , 31 ; 68 , 69 ), each including a seal element ( 33 , 34 ; 70 , 71 ) for sealing against a slide valve plate surface ( 45 , 46 ) to form the slide valve seal, wherein at a casing connection side, the rail halves ( 30 , 31 ; 68 , 69 ) have a circular flange ( 49 , 50 ; 83 , 84 ) for forming the flange connection as a clamp connection ( 51 , 52 ; 79 , 80 ) using a circular flange ( 53 , 54 ; 81 , 82 ) formed at a casing part ( 27 , 28 ; 76 , 77 ) of the slide valve casing ( 26 , 78 ).

17. The slide valve of claim 16 , wherein the rail halves ( 30 , 31 ) are removable from the slide valve casing ( 26 ) independently of each other.

18. The slide valve of claim 16 , wherein the rail halves ( 68 , 69 ) are removable from the slide valve casing ( 78 ) as a connected mounting unit ( 91 ).

19. The slide valve of claim 16 , wherein the rail halves ( 30 , 31 ) are realized differently to each other.

20. The slide valve according to claim 16 , wherein the rail halves ( 30 , 31 ; 68 , 69 ) each comprise an axial support device ( 47 , 48 ) for supporting against the slide valve plate surfaces ( 45 , 46 ) on both sides.