Vacuum valve
First Claim
1. A vacuum valve comprising a closure element, a valve housing with a valve opening and an interior space in which the closure element is arranged, said closure element, in a closed state of the vacuum valve, bears against a valve seat surrounding the valve opening, the valve housing including a housing wall which delimits the interior space and which is comprised of sheet metal and which, to form the valve opening, is provided with a window recess, and wherein the valve opening is surrounded by a flange ring which is connectable by way of screw connections to an attachment flange of a vacuum unit which has an interior space, to which vacuum unit the vacuum valve is attachable, the flange ring has the valve seat against which the closure element is caused to bear when the vacuum valve is in the closed state, wherein the housing wall is adapted to be clamped between the flange ring of the vacuum valve and the attachment flange of the vacuum unit.
3 Assignments
0 Petitions
Accused Products
Abstract
A vacuum valve including a closure element (3) and a valve housing (1) with a valve opening (4) and an interior (2) in which the closure element (3) is arranged, the closure element resting against a valve seat (6) surrounding the valve opening (4) in the closed state of the vacuum valve. The valve housing (1) has a housing wall (19) made of sheet metal, the housing wall delimiting the interior (2) and being provided with a window opening (20) in order to form the valve opening (4). The valve opening (4) is surrounded by a flange ring (21) that can be connected to a connection flange (28) of a vacuum unit (27) via screw connections, the vacuum unit having an interior and being attachable to the vacuum valve. The flange ring (21) has the valve seat (6) on which the closure element (3) is placed in the closed state of the vacuum valve.
-
Citations
14 Claims
- 1. A vacuum valve comprising a closure element, a valve housing with a valve opening and an interior space in which the closure element is arranged, said closure element, in a closed state of the vacuum valve, bears against a valve seat surrounding the valve opening, the valve housing including a housing wall which delimits the interior space and which is comprised of sheet metal and which, to form the valve opening, is provided with a window recess, and wherein the valve opening is surrounded by a flange ring which is connectable by way of screw connections to an attachment flange of a vacuum unit which has an interior space, to which vacuum unit the vacuum valve is attachable, the flange ring has the valve seat against which the closure element is caused to bear when the vacuum valve is in the closed state, wherein the housing wall is adapted to be clamped between the flange ring of the vacuum valve and the attachment flange of the vacuum unit.
- 13. A vacuum installation comprising a vacuum unit which has an interior space and comprising a vacuum valve which is connected to the vacuum unit, said vacuum valve including a closure element and a valve housing with a valve opening, the valve housing surrounds an interior space in which the closure element is arranged, said closure element, in a closed state of the vacuum valve, bears against a valve seat surrounding the valve opening, wherein the valve housing further comprising a housing wall which delimits the interior space and which is comprised of sheet metal and which, to form the valve opening, is provided with a window recess, and wherein the valve opening is surrounded by a flange ring which is connected by screw connections to an attachment flange of the vacuum unit, and the flange ring includes the valve seat against which the closure element is caused to bear when the vacuum valve is in the closed state, wherein the housing wall is clamped between the flange ring of the vacuum valve and the attachment flange of the vacuum unit.
Specification