Dual plate check valve with centering lugs – Serie B6 25

Dual plate check valve with centering lugs ensures the protection of pumps or of parts of networks against flow inversion.

Applications :

  • Pumping stations for drinking water distribution and irrigation (filtered water).
  • Drinking water networks.
  • Irrigation networks (filtered water).
  • Fire protection networks

Product benefits :

  • One-piece body for robustness and corrosion resistance. Maintenance free.
  • Cassette system allowing a quick replacement of internal components (plate, shaft, spring).
  • Spring ensures the return of the plates, preventing friction and therefore premature wear of the seal.
  • Integrated vulcanized seal (DN 40 to 300): better resistance to corrosion because the body is not in contact with water.
  • No flange gasket required (economy).
  • Compactness.
  • Horizontal or vertical mounting.
  • Low head loss.
  • Symmetrical flows obtained thanks to limit stop when plates are fully opened.

Range :

  • DN 40 to 300 type 718.
  • PFA 16

Technical data :

  • Face-to-face dimensions according to standards EN 558-1 series 16 and ISO 5752 series 16.
  • Mounting between flanges according to standards EN 1092-2 and ISO 7005-2 : ISO PN 10 or 16 or 25 and ANSI150.
  • Working temperature : -10°C to +50°C
  • Counterpressure to be tight at 0.5 bar

Norms and certifications :

  • ACS

Alternatives and options :

For desalination applications:

  • Body: A351 CF8M, ASTM A 890 GR5A Super duplex
  • Plate: A351 CF8M, ASTM A 890 GR5A Super duplex
  • Shaft: 254 SMO
  • Spring: Inconel 625

Download Technical datasheet

Download installation manual

Download CAD Library

 Clapet à double battant à oreilles de centrage – Série B6 25