SISTO-10M Diaphragm valve
Diaphragm valve


Diaphragm valve to DIN/EN with threaded sockets; shut-off and sealing to atmosphere by spiral-supported diaphragm (DN 65 and above); 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
  • Industrial recirculation systems
  • Air-conditioning systems
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Technical Data

  • Nominal pressurePN 10
  • Max. nominal sizeDN 80
  • Max. allowed fluid temperature140 °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-10M

12 products
NameNominal size InletNominal pressureWeightMaterial numberPrice
SISTO-10M 5.1301-EPDM RP 1 1/2"DN 40PN 104.1 KilogramM430A007
SISTO-10M 5.1301-EPDM RP 1 1/4"DN 32PN 102.5 KilogramM430A006
SISTO-10M 5.1301-EPDM RP 1"DN 25PN 101.6 KilogramM430A005
SISTO-10M 5.1301-EPDM RP 1/2"DN 15PN 100.6 KilogramM430A003
SISTO-10M 5.1301-EPDM RP 2"DN 50PN 106.4 KilogramM430A008


TitleFormatSizeLast change
icon download-pdfDeclaration of conformity (8630.8507_EN)pdf0.194/23/2020
TitleFormatSizeLast change
icon download-pdfOperating Manual (0570.821_EN)pdf4.056/17/2020
TitleFormatSizeLast change
icon download-pdfType Series Booklet SISTO-10M (8641.102_EN)pdf1.645/24/2019

Technical Data

  • FunctionShut off/control flow
  • Connection typeInternal-thread connection
  • Design concept DriveWith electric actuator, With handwheel, With pneumatic actuator
  • Casing material1821
  • Nominal pressurePN 10
  • Max. nominal sizeDN 80
  • Min. nominal sizeDN 15
  • Max. allowed fluid temperature140 °C
  • Min. allowed fluid temperature-10 °C

Sectional Drawings