Main applications

  • Biofuels
  • Boiler circulation
  • Boiler feed systems
  • Breweries
  • Chemical industry
  • District heating
  • Energy
  • Food and beverages
  • Heat transfer, Cooling circuits
  • Industry engineering
  • Nuclear Power Stations
  • Oil /Gas
  • Petrochemical Industry
  • Power Stations < 100 MW
  • Power Stations > 100 MW
  • Special processes
  • Steam circuits
  • Steel
  • Sugar

Technical data

T max 450 °C
DN max 300
PN max 40


Bellows-type globe valve to DIN/EN with flanged or butt weld ends, Y-valve, with replaceable throttling plug (up to DN 100) or on/off disc (DN 125 and above), single-piece non-rotating stem, position indicator, travel stop, locking device; seat/disc interface made of wear and corrosion resistant chrome steel or chrome nickel steel.


Heat transfer systems, industrial plants, building services and shipbuilding. For thermal oils, water, steam, gas and other non-aggressive fluids. Other fluids on request.

Further technical information about NORI 40 ZYLB/ZYSB

Overview of technical data

T -10 – 450 (°C)
DN 15 – 300
PN 40
Actuator options available ex works No
Body design Y-valve body
Bonnet design Yoke
Dimension standard EN 12982/1, EN 558-1/1, ISO 5752/1
Handwheel movememt Non-rising
Valve disc/plug material Metal-to-metal seat
Threaded-end design Flange design, butt weld end design
Stem sealing Bellows with back-up gland packing
Body material (EN standard) 1.0619+N
Main applications Industry and process engineering, Building services
Body/bonnet seal element Internally and externally confined seal