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 Hydr casing: PN 16
Maximum nominal size TSG: DN 200
Max allowed fluid temp TSG: 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

Germany
Denmark
Belgium

Technical Data

Component function: Shut off/control flow
Connection type Inlet: Flange
Design concept Drive: With handwheel
Mtrl Hydraulic casing: EN-GJL-250,
1.4409
Nominal pressure Hydr casing: PN 16
Maximum nominal size TSG: DN 200
Minimum nominal size TSG: DN 15
Max allowed fluid temp TSG: 90 °C
Min allowed fluid temp TSG: -10 °C

Sectional Drawings

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