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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 completely enclosed spiral-supported diaphragm. All moving parts are separated from the fluid by the diaphragm. Maintenance-free.

Technical Data

  • Nominal pressure Hydr casingPN 20
  • Maximum nominal size TSGDN 150
  • Max allowed fluid temp TSG100 °C

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Technical Data

  • Component functionShut off/control flow
  • Connection type InletButt weld ends, Socket weld ends
  • Design concept DriveWith electric actuator, With handwheel, With pneumatic actuator
  • Mtrl Hydraulic casingGP240GH+N, GX2CRNIMO19-11-2
  • Nominal pressure Hydr casingPN 20
  • Maximum nominal size TSGDN 150
  • Minimum nominal size TSGDN 8
  • Max allowed fluid temp TSG100 °C
  • Min allowed fluid temp TSG-20 °C