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Model 990.35 Flanged Process Connection Diaphragm Seal

Brand: WIKA Alexander Wiegand SE & Co. KG
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Diaphragm seals are used for the protection of pressure measuring instruments in applications with difficult media. In diaphragm seal systems, the diaphragm of the diaphragm seal effects the separation of the instrument and the medium.
Features
  • Intermediate flange (diaphragm seal cell) with extended diaphragm. 
  • Versions for all common standards and nominal widths available. 
  • When special materials are selected, all wetted parts are made of the selected material.
Diaphragm seals are used for the protection of pressure measuring instruments in applications with difficult media. In diaphragm seal systems, the diaphragm of the diaphragm seal effects the separation of the instrument and the medium.
Features
  • Intermediate flange (diaphragm seal cell) with extended diaphragm. 
  • Versions for all common standards and nominal widths available. 
  • When special materials are selected, all wetted parts are made of the selected material.
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Specifications

Brand

Design

  • “Pancake” Type flange with extended Diaphragm, which Requires hydraulic fluid to transmit Pressure to instrument.

Process Connection

  • 2” to 4” per ASME /ANSI B16.5

Instrument Connection

  • Capillary or 1/4” NPT Female

Suitable Pressure Ranges

  • 10” H₂O to Class600, depending on flange and Diaphragm size and process conditions
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Applications

  • Aggressive, highly viscous, crystallising or hot media
  • Chemical and petrochemical process industry
  • Thick-walled or insulated pipelines and vessels
  • High-pressure applications
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