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SISTO-20 Diaphragm valve

Diaphragm valveSISTO-20

Diaphragm valve to DIN/EN with flanged ends, threaded socket ends or socket weld ends, in straight-way pattern; shut-off and sealing to atmosphere by supported and confined diaphragm; body with coating or lining, position indicator with integrated stem protection. All moving parts are separated from the fluid by the diaphragm. Maintenance-free.
See all documents and downloads

Main Applications

  • Mining
  • General irrigation systems
  • Chemical industry
  • Homogenisation

Technical Data

  • Nominal pressurePN 16
  • Max. nominal sizeDN 200
  • Max. allowed fluid temperature160 °C

Material number list – SISTO-20

190 products
Material number
Price
S-20 1.0619/PFA-TFM DN15PN 16DN 153 kgM233A091
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SISTO-20 1.0619/PFA-IIR DN15PN 16DN 153 kgM242A045
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SISTO-20 PN16 DN015PN 16DN 153 kgM241A001
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SISTO-20 PN16 DN015PN 16DN 153 kgM241A015
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SISTO-20 PN16 DN015PN 16DN 153 kgM241A091
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Benefits

  • Reliable sealing to atmosphere and absolutely tight shut-off
  • The diaphragm provides absolutely tight shut-off as well as hermetic sealing to atmosphere and of all operating elements.
  • Maximum service life and pressure limit

Technical Data

  • FunctionShut off/control flow
  • Connection typeInternal-thread connection,
    Flange,
    Butt weld ends,
    Socket weld ends
  • Design concept DriveWith electric actuator,
    With handwheel,
    With pneumatic actuator
  • Casing materialEN-GJS-400-18-LT,
    GX5CRNIMO19-11-2
  • Nominal pressurePN 16
  • Max. nominal sizeDN 200
  • Min. nominal sizeDN 15
  • Max. allowed fluid temperature160 °C
  • Min. allowed fluid temperature-20 °C

Sectional Drawings

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Documents

Title
Format
Size
Last change
Declaration of conformity (8630.8507_EN)PDF0.183/14/2022
Title
Format
Size
Last change
ATEX-Declaration by the manufacturer (8630.8501_EN)PDF0.563/14/2022
Title
Format
Size
Last change
Operating Manual (0570.821_EN)PDF3.433/14/2022
Title
Format
Size
Last change
Type series booklet SISTO-20 (8643.1_EN)PDF2.4810/18/2021
Type series booklet SISTO-20M (8638.12_EN)PDF0.2610/18/2021