990.27
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
- For aggressive, highly viscous, crystallising or hot media
- Process industry
- Machine building and automation
Features
- Flange with a flush welded diaphragm
- Available for all common standards and nominal widths
- When special materials are selected, all wetted parts (diaphragm and sealing face) are made of the selected material
- Robust, all welded design