A flange seal and a sealing arrangement system
A technology of flange seals and seals, which is applied in the field of sealing arrangement systems, can solve the problems of mechanical particle release, sealing edge no longer reliable sealing, undesired, etc., and achieve the effect of good performance
Active Publication Date: 2017-11-14
CARL FREUDENBERG KG
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Problems solved by technology
[0004] In the prior art described above, thermal expansion and / or swelling would cause the rubber-elastic material from which the sealing element is made to expand / swell radially inwards, anyway in the radial direction to such an extent that the sealing element would expand / swell in its The sealing edge extends radially inward into the cavity defined by the flange
As a result, the flow cross-section for the medium to be sealed through the flange is undesirably narrowed and undesired eddies of the medium to be sealed can occur
A further disadvantage is that the sealing edge can be sheared, for example, during cleaning of the flange, so that mechanical particles can be released and the sealing edge can no longer seal reliably due to such damage.
Method used
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[0041] exist figure 1 An embodiment of a flange seal comprising a support body 1 made of a ductile material is shown in FIG. The sealing element 2 is made of rubber-elastic material and is connected in one piece with the support body 1 . On the radial inside, the sealing element 2 has a sealing edge 5 which can be acted upon by the medium 3 to be sealed in the space 4 to be sealed.
[0042] What is essential for the invention is that the sealing element 2 has cavities 6 in the region of the sealing edge 5 in the produced state (as shown here) which can be used during the intended use of the flange seal. Change the volume. As such it is now Figure 4 Note that these variable-volume cavities 6 are shown in this figure.
[0043] In the exemplary embodiment shown here, the cavity 6 is designed to be self-sealing apart from the recesses 19 , 20 , which can also be referred to as open cavities and which are arranged on the end side in the axial direction 18 at the sealing end. ...
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The invention relates to a flange seal and a sealing arrangement system. The flange seal comprises a support body (1) made of a tough material and a sealing element (2) made of a rubber-elastic material which are integrally connected to one another, wherein the sealing element (2) has a sealing edge (5) that can be exposed to a medium (3) to be sealed off in a space (4) to be sealed. In the region of the sealing edge (5) in the production state, the sealing element (2) has cavities (6) that can be varied in volume during use of the flange seal as intended. The sealing arrangement system includes the flange seal and two flanges (16, 17), wherein the flange seal is disposed in a sealed manner between the two flanges (16, 17) along the axial direction, and the flanges (16, 17) are directly adhered to terminal retaining parts (9, 10).
Description
technical field [0001] The invention relates to a flange seal and a sealing arrangement comprising such a flange seal. The flange seal includes a support body made of tough material and a sealing element made of rubber elastic material, the support body and the sealing element are interconnected in one piece, wherein the sealing element has a A sealing edge loaded with the medium to be sealed in the space to be sealed. The sealing arrangement comprises one such flange seal and two flanges, wherein the flange seal is arranged sealingly between the flanges in the axial direction. Background technique [0002] One such flange seal and one such sealing arrangement are each known from DIN 32676 . The sealing arrangement comprises two flanges arranged coaxially with one another and axially adjacent to one another, which are connected to each other in a sealing manner by means of a flange seal clamped in the axial direction. The flange and the flange seal together form a tubular...
Claims
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IPC IPC(8): F16L23/22
CPCF16L23/22F16J15/061F16J15/104F16J15/127F16L23/18F16L23/162F16L23/00
Inventor O·纳尔沃尔德C·戈伊伯特F·门芩豪尔P·克里泽F·劳尔
Owner CARL FREUDENBERG KG