BOA-S Strainer


Strainer to DIN/EN with flanged ends, with standard or fine screen; all nominal sizes with drain plug in the cover. Made of grey cast iron or nodular cast iron.
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Technical Data

  • Nominal pressurePN 6, PN 16, PN 25
  • Max. nominal sizeDN 400
  • Max. allowed fluid temperature350 °C


  • Long service life due to screen made of stainless steel.
  • Time and cost saving replacement of screen without removing the body insulation by using the studs as centering aids.
  • Standard drain plug for easy inspection and drainage of strainer, particularly of strainers with a large nominal size.

Material number list – BOA-S

149 products
NameNominal pressureNominal size InletScreen designProduct packagingWeightMaterial numberPrice
BOA-S PN 6 DN 15 5.1301 EINFACHPN 6DN 15CoarseWithout2.5 Kilogram48860342
BOA-S PN 6 DN 20 5.1301 EINFACHPN 6DN 20CoarseWithout3 Kilogram48860343
BOA-S PN 6 DN 25 5.1301 EINFACHPN 6DN 25CoarseWithout4.5 Kilogram48860344
BOA-S PN 6 DN 25 5.1301 FEINPN 6DN 25FineWithout3.8 Kilogram48860356
BOA-S PN 6 DN 32 5.1301 EINFACHPN 6DN 32CoarseWithout5.5 Kilogram48860345


TitleFormatSizeLast change
icon download-pdfOperating instructions (0570.8_EN)pdf8.925/24/2019
TitleFormatSizeLast change
TitleFormatSizeLast change
BOA-S JS (7125.522_EN)zip0.015/28/2020
BOA-S JL (7125.521_EN)zip0.015/28/2020

Technical Data

  • FunctionFilter
  • Connection typeFlange
  • Casing material1821, 1877
  • Nominal pressurePN 6, PN 16, PN 25
  • Max. nominal sizeDN 400
  • Min. nominal sizeDN 15
  • Max. allowed fluid temperature350 °C
  • Min. allowed fluid temperature-10 °C

Sectional Drawings