BOAX-B Butterfly valve
Butterfly valve


Centred-disc butterfly valve, sealed by elastomer liner (EPDM XC or Nitrile K), with lever, manual gearbox, pneumatic or electric actuator; semi-lug body (T2), full-lug body (T4). Body types T2 and T4 are suitable for downstream dismantling and dead-end service. Valve disc made of nodular cast iron or stainless steel. Connections to EN.
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Technical Data

  • Nominal pressurePN 6, PN 10, PN 16
  • Max. nominal sizeDN 1000
  • Max. allowed fluid temperature110 °C


  • Spherically machined disc with rounded sealing contour
  • ensures durable and permanently tight shut-off
  • Splined or keyed connection without play between shaft and valve disc

Material number list – BOAX-B

109 products
NameNominal pressureNominal size InletValve body typeDrive type seriesWeightMaterial numberPrice
BOAX-B Gaz PN10/16 DN100 T23g3gK CR230PN 10DN 100Semi-lug typeLever C4.7 Kilogram42384375
BOAX-B Gaz PN10/16 DN125 T23g3gEG CR300PN 10DN 125Semi-lug typeLever C6.1 Kilogram42389555
BOAX-B Gaz PN10/16 DN150 T23g3gEG CR300PN 10DN 150Semi-lug typeLever C8.3 Kilogram42389556
BOAX-B Gaz PN10/16 DN200 T23g3gEG CR510PN 10DN 200Semi-lug typeLever C13.5 Kilogram42389557
BOAX-B Gaz PN10/16 DN200 T23g3gK CR510PN 10DN 150Semi-lug typeLever C8.3 Kilogram42384377


TitleFormatSizeLast change
TitleFormatSizeLast change
icon download-pdfOperating instructions - BOAX - B (8411.801_EN)pdf0.927/21/2020
TitleFormatSizeLast change
icon download-pdfBOAX-B (8409.11_EN)pdf8.711/6/2019

Technical Data

  • FunctionShut off/control flow
  • Connection typeFlange
  • Design concept DriveWith electric actuator, With handwheel, Lever, With pneumatic actuator, Without
  • Casing material1876
  • Nominal pressurePN 6, PN 10, PN 16
  • Max. nominal sizeDN 1000
  • Min. nominal sizeDN 40
  • Max. allowed fluid temperature110 °C
  • Min. allowed fluid temperature-10 °C
  • Valve body typeWafer-type body, Semi-lug type, Full-lug type, raised faces, U-shaped body, flat faces

Sectional Drawings