Main applications

  • Biofuels
  • Boiler circulation
  • Boiler feed systems
  • Breweries
  • Chemical industry
  • District heating
  • Energy
  • Food and beverages
  • General Processes
  • Industry engineering
  • Marine
  • Nuclear Power Stations
  • Power Stations < 100 MW
  • Power Stations > 100 MW
  • Snow guns
  • Steam circuits
  • Steel
  • Sugar
  • Turbine Island

Design type

Non-return valves

Technical data

T max 550 °C
DN max 200
PN max 160


Lift check valve to DIN/EN, with flanged, butt weld or socket weld ends, check disc with closing spring, seat/disc interface made of wear and corrosion resistant 17 % chrome steel or Stellite.


In industrial plants, power stations, process engineering and shipbuilding. For water and steam. Other non-aggressive fluids such as gas or oil on request.

Further technical information about NORI 160 RXL/RXS

Overview of technical data

T -10 – 550 (°C)
DN 10 – 200
PN 160
Actuator options available ex works No
Body design Straight pattern body
Dimension standard EN 12982/65, EN 558-1/2 ISO 5752/2
Valve disc/plug material Metal-to-metal seat
Threaded-end design Flange design, butt weld end design, Socket weld end
Body material (EN standard) 1.7335, 1.0619+N, 1.7357, 1.0460
Main applications Industry and process engineering, Energy, Shipping / Shipbuilding
Body material Forged steel, Cast steel
PN min. 63
Body/bonnet seal element Internally and externally confined seal