SISTO-10 Diaphragm valve
Diaphragm valve


Diaphragm valve to DIN/EN with flanged ends; shut-off and sealing to atmosphere by spiral-supported diaphragm (DN 65 and above); body with or without lining, position indicator with integrated stem protection. All moving parts are separated from the fluid by the diaphragm. Maintenance-free.
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Main Applications

  • Mining
  • General irrigation systems
  • Chemical industry
  • Industrial recirculation systems
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Technical Data

  • Nominal pressurePN 10
  • Max. nominal sizeDN 300
  • Max. allowed fluid temperature160 °C


  • Reliable sealing to atmosphere and absolutely tight shut-off
  • The diaphragm provides absolutely tight shut-off as well as hermetic sealing to atmosphere and of all operating elements.
  • Extended service life and pressure limit

Material number list – SISTO-10

72 products
NameNominal pressureNominal size InletCase lining inboardWeightMaterial numberPrice
"SISTO-10 MUFFE PN10 RP 2"" (050)PN 10DN 506.4 KilogramM430A048
"SISTO-10 MUFFE PN10 RP 2"" (050)PN 10DN 506.4 KilogramM430A088
"SISTO-10 MUFFE PN10 RP 1"" (DN025)PN 10DN 251.6 KilogramM430A005
"SISTO-10 MUFFE PN10 RP 1"" (DN025)PN 10DN 251.6 KilogramM430A045
"SISTO-10 MUFFE PN10 RP 1"" (DN025)PN 10DN 251.6 KilogramM430A085


TitleFormatSizeLast change
icon download-pdf2-page product description SISTOpdf0.675/24/2019
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icon download-pdfDeclaration of conformitypdf0.195/24/2019
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icon download-pdfATEX-Declaration by the manufacturerpdf0.565/24/2019
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icon download-pdfOperating Instructionspdf3.675/24/2019
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icon download-pdfType series booklet SISTO-10pdf3.945/24/2019

Technical Data

  • FunctionShut off/control flow
  • Connection typeFlange
  • Design concept DriveWith electric actuator, With handwheel, With pneumatic actuator
  • Casing material1821, 1877
  • Nominal pressurePN 10
  • Max. nominal sizeDN 300
  • Min. nominal sizeDN 15
  • Max. allowed fluid temperature160 °C
  • Min. allowed fluid temperature-20 °C

Sectional Drawings