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SISTO-20 Diaphragm valve
Diaphragm valve

SISTO-20

Diaphragm valve to DIN/EN with flanged ends; shut-off and sealing to atmosphere by completely enclosed spiral-supported diaphragm; body with or without 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

  • Chemical industry
  • Homogenisation
  • Industrial recirculation systems
  • Nuclear power stations
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Technical Data

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

Material number list – SISTO-20

60 products
Material number
Price
S-16 TWA DN200 PN1695 kgM232A142
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S-20 1.0619/PFA-TFM DN15PN 16DN 153 kgM233A091
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SISTO-20 PN16 DN015PN 16DN 153 kgM241A001
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SISTO-20 PN16 DN0203.5 kgM241A002
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SISTO-20 PN16 DN020PN 16DN 203.5 kgM242A002
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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

Documents

Title
Format
Size
Last change
Declaration of conformity (8630.8507_EN)PDF0.1810/28/2021
Title
Format
Size
Last change
ATEX-Declaration by the manufacturer (8630.8501_EN)PDF0.5612/10/2021
Title
Format
Size
Last change
Operating Manual (0570.821_EN)PDF3.4311/24/2021
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