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Мембрана ячеечного типа Wika 990.28

Мембрана ячеечного типа Wika 990.28

Снят с производства

Мембрана ячеечного типа Wika 990.28


  • Chemical process industry
  • Petrochemical industry
  • Suitable for corrosive, highly viscous, crystallising or hot pressure media
  • High pressure applications

Special Features

  • Cell (sandwich) flange with a flush welded diaphragm with contoured diaphragm bed
  • Available for all standard dimensions and nominal diameters
  • With special materials all wetted parts of the selected material


Process connection

  • For flanges per EN 1092-1 and ASME B 16.5
  • DN 50, 80, 100, 125 or DN (NSP) 2", 3", 4", 5"
  • For the mounting an additional blind flange is required (not included in the scope of delivery)

Sealing face

Per EN 1092-1 Form B1 or per ASME B 16.5 RF 125 ... 250 AA

Pressure range

25 mbar and up, depending on diaphragm size and process conditions

Wetted parts material

Stainless steel 316L

Instrument connection

Material stainless steel 316L, radial weld-in connection or adaptor G ½ female per EN 837-1, welded to capillary


Radial entry capillary of stainless steel 1.4571, welded to body, armoured, armour material stainless steel 1.4301


see data sheet

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