SISTO-KB Diaphragm valve
Diaphragm valve


Diaphragm valve to DIN/EN with flanged ends; shut-off and sealing to atmosphere by diaphragm; hydraulically favourable body with or without lining, position indicator with integrated stem protection. DN 125 to DN 200 with threaded bush. All moving parts are separated from the fluid by the diaphragm. Maintenance-free.
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Main Applications

  • Mining
  • Chemical industry
  • Drainage
  • Drainage systems
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Technical Data

  • Nominal pressurePN 10
  • Max. nominal sizeDN 200
  • 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.
  • Low flow resistance coefficient

Material number list – SISTO-KB

28 products
NameNominal pressureNominal size InletCase lining inboardWeightMaterial numberPrice
S-KB JL1040 EPDM DN100 PN10PN 10DN 10032 KilogramM700A453
S-KB JL1040 EPDM DN15 PN10PN 10DN 153 KilogramM700A445
S-KB JL1040 EPDM DN20 PN10PN 10DN 204 KilogramM700A446
S-KB JL1040 EPDM DN25 PN10PN 10DN 255.5 KilogramM700A447
S-KB JL1040 EPDM DN32 PN10PN 10DN 328 KilogramM700A448


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-KBpdf4.245/24/2019

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 200
  • Min. nominal sizeDN 15
  • Max. allowed fluid temperature140 °C
  • Min. allowed fluid temperature-20 °C

Sectional Drawings