Diaphragm valve SISTO-20NA

Diaphragm valve with butt weld ends, for nuclear applications, shut-off and sealing to atmosphere by supported and confined diaphragm. All moving parts are separated from the fluid by the diaphragm. Maintenance-free.

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Main Applications

Nuclear power stations

Technical Data

Nominal pressure: PN 20
Max. nominal size: DN 150
Maximum allowable fluid temperature: 100 °C

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Technical Data

Function: Shut off/control flow
Connection type: Butt weld ends,
Socket weld ends
Design concept Drive: With electric actuator,
With handwheel,
With pneumatic actuator
Casing material: GP240GH+N,
1.4409
Nominal pressure: PN 20
Max. nominal size: DN 150
Min. nominal size: DN 8
Maximum allowable fluid temperature: 100 °C
Minimum allowable fluid temperature: -20 °C