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Linor RR/RB Ball valve
Ball valve

Linor RR/RB

Linor RR ball valve with floating ball; Linor RB ball valve with trunnion mounted ball. Metal-seated, with full port, solid ball, with flanged ends to DIN EN 1092-1 PN 40/25/16/10. Designed and tested to ASME B16.34 and pressure-tested to ISO 5208 Rate D. Locking lever available as an option.
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Main Applications

  • Industrial plants
  • Water
  • Chemical industry
  • Fire-fighting systems
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Technical Data

  • Nominal pressurePN 16, PN 40
  • Max. nominal sizeDN 500
  • Max. allowed fluid temperature350 °C


  • Long service life of trunnion mounted, metal-seated ball valves for demanding applications and abrasive fluids
  • Long service life thanks to spring-loaded valve seat and stellited ball
  • Blowout-proof shaft with integrated shoulder

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TitleFormatSizeLast change
LINOR RB, RV, RR (8803.8520-1_EN)PDF0.824/19/2021
TitleFormatSizeLast change
LINOR RB (8803.81_EN)PDF0.954/19/2021
LINOR RR (8803.51_EN)PDF1.194/20/2021
LINOR RB (8803.5_EN)PDF1.554/19/2021

Technical Data

  • FunctionShut off/control flow
  • Connection typeInstallation between flanges, Flange
  • Nominal pressurePN 16, PN 40
  • Max. nominal sizeDN 500
  • Min. nominal sizeDN 15
  • Max. allowed fluid temperature350 °C
  • Min. allowed fluid temperature-40 °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.