SISTO-16RGA Diaphragm valve
Diaphragm valve

SISTO-16RGA

Diaphragm valve to DIN/EN with gunmetal body and threaded sockets for drinking water installations in building services to DIN 1988, DIN-DVGW-approved for water acc. to test W 270, in compliance with KTW recommendations (use of elastomers in drinking water applications); shut-off and sealing to atmosphere by completely enclosed diaphragm; position indicator with integrated stem protection. All moving parts are separated from the fluid by the diaphragm. Maintenance-free.
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Main Applications

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

  • Nominal pressurePN 16
  • Max. nominal sizeDN 80
  • Max. allowed fluid temperature90 °C

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.
  • Maintenance-free as all moving parts are separated from the fluid by the diaphragm.
  • High level of reliability as the thrust bearing minimises the closing torques required.

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Documents

TitleFormatSizeLast change
icon download-pdfOperating Manual (0570.821_EN)pdf4.056/17/2020
TitleFormatSizeLast change
icon download-pdfType series booklet SISTO-16 RGA (8638.1_EN)pdf1.545/24/2019
TitleFormatSizeLast change
icon download-pdfTypical tender SISTO-16RGA (8638.523_EN)pdf0.024/3/2020

Technical Data

  • FunctionShut off/control flow
  • Connection typeInternal-thread connection
  • Design concept DriveWith electric actuator, With handwheel, With pneumatic actuator
  • Nominal pressurePN 16
  • Max. nominal sizeDN 80
  • Min. nominal sizeDN 15
  • Max. allowed fluid temperature90 °C
  • Min. allowed fluid temperature-10 °C

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