For applications needing to fulfil the highest hygienic demands, the Wika 981.51 diaphragm in-line seal is available with all process connections to DIN 11864. In addition to both threaded pipe and flanged connections, sterile, standard-compliant connections for instruments are also realisable in the form of a clamp connection (DIN 11 864-3). Wika uses 1.4435 stainless steel as a standard material for wetted parts. In addition, special materials such as 1.4539 stainless steel or Hastelloy are also available. The 981.51 diaphragm seal is particularly suited to applications in the pharmaceutical and food industries as well as for painting lines.
This diaphragm in-line seal is notable due to its circular cylindrical construction, enabling it to be mounted directly into the pipeline and making it self-draining. With the sterile connections, and in conjunction with the measuring instrument, a dead-space free and crevice free measurement is possible. Both this concept, and the materials used have been certified by the EHEDG. In the USA they conform to the 3A guidelines.
Hall 7, Booth B21
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