WIKA 981.27 Diaphragm In-Line Seals – For flange connection, flange-type


  • Completely round, no corners and edges, European Patent No. 0629846
  • For direct installation between two flanges
  • Wide choice of special materials
Datasheet
User Manual

Applications

  • For direct, permanent installation in pipelines
  • For flowing, pure and aggressive media
  • Chemical process industry
  • Petrochemical industry

 


Desciption

Process connection
for flanges following EN 1092-1 / ASME B 16.5
DN 25, 40, 50, 80, 100 or 1″, 2″, 3″, 4″
Nominal size: see drawing and tables (DN)
Sealing face, Form B1 or ASME RF 125 … 250 AA

Pressure rating
PN 16/40 or Class 150/300

Pressure ranges
preferably mounted to pressure gauges NS 63, 100, 160 or pressure transmitters, Pressure ranges 0 … 0.6 to 0 … 40 bar

Body and material of wetted parts
Stainless steel (AISI 316L)

Measuring instrument connection
Pressure gauge or transmitter directly welded, process pressure transmitter with threaded adapter

Options

Process connection

  • Larger nominal sizes
  • Other flange connections on request
  • Sealing faces per EN 1092-1, form B2 or per ASME B 16.5, RF 125 AA, 500 AA, RFSF; EN 1092-1 groove and tongue; projection and recess; ASME B 16.5 snap ring groove form RJF (limited for special materials, please request)
  • Flame arrester approved for Zone 0

Material of wetted parts

  • Staniless steel 1.4571, 1.4435, 1.4541, Monel, Hastelloy B3, C4, C22, C276, tantalum
  • PFA coating max. +260 °C
  • ECTFE (Halar®) coating max. +150 °C

Measuring instrument connection

  • Capillary, when ordering please specify: length of capillary
  • Cooling tower (for directly mounted gauge when fluid temperature > +140 °C)

Capillary

  • Custom lengths between 1 and 15 m
  • Soft polyethylene or PTFE armour

 









Technical advice: 03303 / 50 40 66

Technical advice for this product


    In accordance with the General Data Protection Regulation (GDPR), we are obliged to inform you about the collection of data. We meet this obligation by referring to our privacy notice.



    WIKA 981.27 Diaphragm In-Line Seals – For flange connection, flange-type

    • Completely round, no corners and edges, European Patent No. 0629846
    • For direct installation between two flanges
    • Wide choice of special materials
    Datasheet
    User Manual

    Applications

    • For direct, permanent installation in pipelines
    • For flowing, pure and aggressive media
    • Chemical process industry
    • Petrochemical industry

     


    Desciption

    Process connection
    for flanges following EN 1092-1 / ASME B 16.5
    DN 25, 40, 50, 80, 100 or 1″, 2″, 3″, 4″
    Nominal size: see drawing and tables (DN)
    Sealing face, Form B1 or ASME RF 125 … 250 AA

    Pressure rating
    PN 16/40 or Class 150/300

    Pressure ranges
    preferably mounted to pressure gauges NS 63, 100, 160 or pressure transmitters, Pressure ranges 0 … 0.6 to 0 … 40 bar

    Body and material of wetted parts
    Stainless steel (AISI 316L)

    Measuring instrument connection
    Pressure gauge or transmitter directly welded, process pressure transmitter with threaded adapter

    Options

    Process connection

    • Larger nominal sizes
    • Other flange connections on request
    • Sealing faces per EN 1092-1, form B2 or per ASME B 16.5, RF 125 AA, 500 AA, RFSF; EN 1092-1 groove and tongue; projection and recess; ASME B 16.5 snap ring groove form RJF (limited for special materials, please request)
    • Flame arrester approved for Zone 0

    Material of wetted parts

    • Staniless steel 1.4571, 1.4435, 1.4541, Monel, Hastelloy B3, C4, C22, C276, tantalum
    • PFA coating max. +260 °C
    • ECTFE (Halar®) coating max. +150 °C

    Measuring instrument connection

    • Capillary, when ordering please specify: length of capillary
    • Cooling tower (for directly mounted gauge when fluid temperature > +140 °C)

    Capillary

    • Custom lengths between 1 and 15 m
    • Soft polyethylene or PTFE armour

     









    Technical advice: 03303 / 50 40 66

    Technical advice for this product


      In accordance with the General Data Protection Regulation (GDPR), we are obliged to inform you about the collection of data. We meet this obligation by referring to our privacy notice.



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