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Leading Trade Fair for Powder & Bulk Solids Processing and Analytics

29.9 - 1.10.2020 // Nuremberg, Germany

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Exhibitors & Products POWTECH 2019
Zoom product LOGO_SISTO-C Diaphragm Valve

SISTO-C Diaphragm Valve

LOGO_SISTO-C Diaphragm Valve

SISTO-C Diaphragm Valve

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  • Soft-seated shut-off valve
  • Unique design with enclosed diaphragm
  • Diaphragm with spiral support starting with size DN 25
  • With manual or pneumatic actuator
  • Shut-off and sealing to atmosphere by diaphragm, therefore two components in contact with the fluid handled only: body and diaphragm
  • Body designs: 2-way valve body, T-pattern, tank or multi-port valves
  • Butt weld ends or clamped connection
  • Drain angle indicated by laser marking
  • Body materials: forged stainless steel and other alloy materials
  • Diaphragm materials: EPDM, TFM/EPDM bonded, TFM/EPDM 2-piece
  • Available nominal diameters: DN 6 – DN 200
  • Operating temperature: – 10°C to + 160°C
  • Permissible operating pressure: vacuum up to 16 bar


  • Suitable for applications up to a line pressure of 16 bar
  • Increased operating reliability
  • Self-draining
  • No dead volume
  • No contamination of fluid handled
  • Suitable for CIP/SIP
  • Maintenance-free

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