Diaphragm valve SISTO-20

Weir-type diaphragm valve to DIN/EN with flanged ends, threaded socket ends or socket weld ends, in straight-way pattern; shut-off and sealing to atmosphere by supported and confined diaphragm; body with coating or lining, 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

Mining
General irrigation systems
Chemical industry
Homogenisation

Technical Data

Nominal pressure: PN 16
Max. nominal size: DN 200
Maximum allowable fluid temperature: 160 °C

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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

Function: Shut off/control flow
Connection type: Internal-thread connection,
Flange,
Butt weld ends,
Socket weld ends
Design concept Drive: With electric actuator,
With handwheel,
With pneumatic actuator
Casing material: EN-GJS-400-18-LT,
1.4408
Nominal pressure: PN 16
Max. nominal size: DN 200
Min. nominal size: DN 15
Maximum allowable fluid temperature: 160 °C
Minimum allowable fluid temperature: -20 °C

Sectional Drawings

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