BOA-RFV Clapet de non-retour à soupape
Clapet de non-retour à soupape


Soupape de non-retour à corps tuyère suivant DIN / EN à brides, avec corps en forme de venturi, vitesse d'écoulement max. autorisée 2,5 m/s, corps en fonte, cône de retenue en laiton et fonte, siège en acier inoxydable, pour montage sur tuyauteries horizontales ou verticales, fermeture rapide sans coups de bélier.
See all documents and downloads

Main Applications

  • Installations d’alimentation en eau

Technical Data

  • Pression nominale PN 10, PN 16, PN 25, PN 40, PN 63
  • Diamètre nominal max. DN 600
  • Température du fluide max admissible90 °C


  • Pertes de charge réduites grâce aux sections de passage optimisées
  • Course de fermeture courte réduisant les coups de bélier
  • Caractéristiques techniques hautement hydrodynamiques avec baisse de pression réduite

Your KSB contact: We're here to support you

Do you need any assistance finding the right material number?
We’ll soon provide a list so you can directly place your purchase order.
Meanwhile please contact our support:

Tel: +435 91030 0

Your KSB contact : We’re here to support you


TitleFormatSizeLast change
Type series booklet BOA-RFV (8117.1_EN)pdf1.885/24/2019

Technical Data

  • FunctionDispositif de non-retour
  • Connection typeBride
  • Matériau Corps1821, 1876
  • Pression nominale PN 10, PN 16, PN 25, PN 40, PN 63
  • Diamètre nominal max. DN 600
  • Diamètre nominal min.DN 40
  • Température du fluide max admissible90 °C
  • Température du fluide min admissible-10 °C

KSB - one of the world's leading manufacturers of industrial valves and pumps

Founded in 1871 in Frankenthal (Germany), KSB has been one of the leading suppliers of pumps and industrial valves for over 150 years. With more than 15,000 employees worldwide and its own sales and marketing, manufacturing facilities and service operations, KSB develops and produces custom-fit pumps for various applications.

As an experienced pump manufacturer, its product portfolio includes building and industrial technology, water transport, wastewater treatment and power plant processes. Thanks to innovative research and development, KSB can meet the most diverse requirements of customers. Benefit from many years of experience and technical expertise as a renowned pump manufacturer.

KSB pump manufacturers: the best solution for your plant
Industrial pumps and valves from KSB cover a wide range of applications and are highly energy-efficient. Products convince with the most innovative technology as well as with systems that have been tried and tested for many years - including the Etanorm water pump. Achieving more than 1.5 million sales worldwide, Etanorm is the most successful standard water pump. With KSB spare parts and services.

KSB ensures the operational reliability of its industrial pumps and valves. The KSB success formula for high-performance pumps lies in the technological strength in hydraulics, materials and automation.

Competent service right from the start
The numerous production facilities ensure that KSB as a pump manufacturer can guarantee customer proximity and first-class service. The experienced specialists are certified to ensure excellent quality and extensive experience. KSB Service takes care of the commissioning, inspection, servicing and maintenance of your pumps, valves and complete systems directly on site.  KSB also provide you with spare parts quickly. This means you get the best service directly from your pump manufacturer.