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SISTO-16TWA Diaphragm valve

Diaphragm valveSISTO-16TWA

Weir-type diaphragm valve to DIN/EN with flanged ends, straight-way pattern, for drinking water installations to DIN 1988, DIN-DVGW-approved for water acc. to test W 270, in compliance with the latest elastomers guideline of the German Environment Agency; shut-off and sealing to atmosphere by confined and supported SISTOMaXX diaphragm; 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

  • Pressure boosting
  • Fire-fighting systems
  • Domestic water supply
  • Air-conditioning systems

Technical Data

  • Nominal pressurePN 16
  • Max. nominal sizeDN 200
  • Max. allowed fluid temperature90 °C

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Benefits

  • Reliable sealing ensured by one single sealing element (the diaphragm), which provides hermetic sealing to atmosphere and absolutely tight shut-off. The specially enclosed diaphragm ensures long service life and high operating reliability.
  • Increased functional reliability of the diaphragm thanks to balanced diaphragm suspension
  • Maintenance-free as all moving parts are separated from the fluid by the diaphragm.

Certificates

  • S43A_33880866699-1_5
    R-15.2.4-21-17481
    Austria
  • S43A_20384585099-2_5
    Switzerland
  • S43A_20384585099-3_5
    Austria

Technical Data

  • FunctionShut off/control flow
  • Connection typeFlange
  • Design concept DriveWith handwheel
  • Casing materialEN-GJL-250,
    GX2CRNIMO19-11-2
  • Nominal pressurePN 16
  • Max. nominal sizeDN 200
  • Min. nominal sizeDN 15
  • Max. allowed fluid temperature90 °C
  • Min. allowed fluid temperature-10 °C

Sectional Drawings

Documents

Title
Format
Size
Last change
Flyer SISTO-16TWA (8660.026_EN)PDF1.0312/18/2021
Title
Format
Size
Last change
ISO 14001 certificate (8630.8558_EN)PDF0.178/27/2022
ISO 9001 certificate (8630.8560_EN)PDF0.178/27/2022
ISO 45001 certificate (8630.8559_EN)PDF0.288/27/2022
Title
Format
Size
Last change
Operating Manual (0570.821_EN)PDF3.438/23/2022
Title
Format
Size
Last change
Type series booklet SISTO-16TWA (8635.33_EN)PDF0.813/23/2023