The model 990.27 diaphragm seal is available in place of a blind flange for all commonly used standard flanges.
Assembly of the diaphragm seal to the measuring instrument may be made via a direct connection, for high temperatures via a cooling element or via a flexible capillary.
For the material selection WIKA offers a variety of solutions, in which the upper body of the diaphragm seal and the wetted parts can be made of identical or different materials. The diaphragm can, as an alternative, be coated.
Applications