990.16 pressure interface with WIKA flange


Šifra: 990.16

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Delivery time: approximately 3-4 weeks

  • pressure range: high nominal pressure up to PN 400
  • flange with welded inner membrane
  • small process connections
  • flushing connections also available (optional)



The 990.16 pressure interface with flange (diaphragm separator) protects pressure measuring instruments in applications with difficult media. The pressure interface affects the separation of instrument and medium.

The pressure is transmitted to the measuring instrument via a filling fluid system within the pressure interface system. A wide range of designs, materials and system fillers are available to meet customer requirements. With 990.16, high nominal pressures (PN 400) can be achieved. Thanks to the internal diaphragm, accurate measurements are possible even with connections with small flanges. Optional flushing attachments allow you to clean the process side of the flange as needed. The pressure interface can be attached to the measuring instrument by direct connection, or at high temperatures via a cooling element or flexible hose.

WIKA offers different solutions for the choice of material, where the top and the wet parts can be made of the same or different materials. Alternatively, the wet parts of the interface may also have a coating.


Fields of application, applications 990.16

  • for aggressive, hot and contaminated media
  • chemical process and petrochemical industries
  • oil and gas industry
  • high pressure applications


Pressure interfaces are used in conjunction with pressure gauges. Read more about pressure interfaces here.