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SISTO-20NA Diaphragm valve

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.
Spare Parts
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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 end,
Socket weld end
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
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