NORI 40 ZYLB/ZYSB Globe valve

Globe valve NORI 40 ZYLB/ZYSB

Bellows-type globe valve to DIN/EN with flanged ends (ZYLB) or butt weld ends (ZYSB), 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.
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Main Applications

  • Heat transfer systems
  • Process engineering
  • Chemical industry
  • Petrochemical industry

Technical Data

Nominal pressure
PN 25, PN 40
Max. nominal size
DN 300
Max. allowed fluid temperature
450 °C

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  • Reliable sealing. Bonnet gasket fully confined to prevent creep.
  • Leak-proof and easy to service due to double-walled bellows welded to the stem at the lower end. No vibration from plug to bellows. Plug easy to replace.
  • Hard-faced valve seat made of wear-resistant and corrosion-proof materials for long service life and high functional reliability.

Technical Data

Shut off/control flow
Connection type
Butt weld ends
Design concept Drive
With handwheel
Casing material
Nominal pressure
PN 25,
PN 40
Max. nominal size
DN 300
Min. nominal size
DN 15
Max. allowed fluid temperature
450 °C
Min. allowed fluid temperature
-10 °C

Sectional Drawings