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  3. SISTO-20_8674.022_04-EN

SISTO-20_8674.022_04-EN

SISTO-20_8674.022_04-EN

SISTO-20_8674.022_04-EN

Product catalog summary
Overview: The SISTO-20 Diaphragm Valve PN16 is designed for various industrial applications including chemical processing, power stations, and water treatment. It offers high reliability and durability, suitable for handling high-purity fluids.
Key Benefits:
  • Maximum Service Life: The diaphragm is confined and supported to enhance its lifespan and pressure limit.
  • Reliable Sealing: Provides hermetic sealing to the atmosphere and ensures tight shut-off.
  • Corrosion Resistance: High-quality linings ensure long service life and reliability.
  • Functional Reliability: Balanced diaphragm suspension increases reliability.
  • Fluid Purity: Design prevents deposits and maintains fluid purity.
  • Optimized Operation: Stem protection prevents contaminant ingress, and thrust bearing minimizes closing torques.
  • Easy Position Identification: Clear visual indicators allow easy identification of valve position.
  • High Operating Reliability: Internal elements are not in contact with the fluid.
Operating Data:
  • Nominal Pressure: PN 16 (DN 250 - 300 = PN 10)
  • Nominal Size: DN 15 - 300
  • Max Pressure: 16 bar (DN 250 - 300 = 10 bar)
  • Temperature Range: -20°C to +160°C (limited conditions on request)
Materials:
  • Body: Nodular cast iron, stainless steel
  • Bonnet: Nodular cast iron
  • Diaphragm: EPDM, IIR, CSM, NBR, FKM, PTFE/EPDM
  • Connections: Flanged, threaded socket, socket weld ends
  • Lining: Hard rubber, butyl, PTFE
  • Coating: Rilsan, ECTFE
Applications: Suitable for industries such as chemical, petrochemical, mining, shipbuilding, and more.
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Catalog excerpts

SISTO-20_8674.022_04-EN-1

• Seawater desalination • Petrochemical industry • Process engineering • Water treatment • Paint shops • Chemical industry • Industry/process engineering • Condensate transport • Power stations • Cooling circuits • Swimming pools • Air-conditioning systems • Waste water treatment plants

 Open the catalog to page 1
SISTO-20_8674.022_04-EN-2

■ Maximum service life and pressure limit • The diaphragm is confined and supported for maximum diaphragm life and pressure limit. ■ Reliable sealing to atmosphere and absolutely tight shutoff • The specially confined diaphragm provides absolutely tight shut-off as well as hermetic sealing to atmosphere and of all operating elements. ■ High corrosion resistance • High-quality linings offer reliability and a long service life. ■ High functional reliability • Balanced suspension of the diaphragm increases the diaphragm's functional reliability. • The valve's design without dead volumes ensures...

 Open the catalog to page 2
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.