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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Main Applications

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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

355 products
NameNominal pressureNominal size InletValve body typeDrive type seriesMaterial Valve discMaterial LinerWorking pressure max. allowedWeightMaterial numberPrice
BOAX-B PN10 DN200 T43g2XC CR510PN 10DN 200Full-lug type, raised facesLever C8272812242 Kilogram42388537
BOAX-B PN10 DN200 T43G3GK CR510PN 10DN 200Full-lug type, raised facesLever C8214812427 Kilogram42388543
BOAX-B PN10 DN200 T43g3gK MR25PN 10DN 200Full-lug type, raised facesMR8214812432 Kilogram42388567
BOAX-B PN10 DN200 T43G3GXC CR510PN 10DN 200Full-lug type, raised facesLever C8214812227 Kilogram42388531
BOAX-B PN10 DN200 T43g3gXC MR25PN 10DN 200Full-lug type, raised facesMR8214812246 Kilogram42388555


TitleFormatSizeLast change
TitleFormatSizeLast change
Operating instructions - BOAX - B (8411.801_EN)pdf0.927/21/2020
TitleFormatSizeLast change
BOAX-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

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