SISTO-16TWA Diaphragm valve

Diaphragm valve SISTO-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.
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Main Applications

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

Technical Data

Nominal pressure
PN 16
Max. nominal size
DN 200
Maximum allowable fluid temperature
90 °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_20384585099-1_5
    Germany
  • S43A_20384585099-5_5
    Denmark
  • S43A_20384585099-4_5
    Belgium

Technical Data

Function
Shut off/control flow
Connection type
Flange
Design concept Drive
With handwheel
Casing material
EN-GJL-250,
1.4409
Nominal pressure
PN 16
Max. nominal size
DN 200
Min. nominal size
DN 15
Maximum allowable fluid temperature
90 °C
Minimum allowable fluid temperature
-10 °C

Sectional Drawings