Main applications

  • Nuclear Island
  • Nuclear Power Stations

Technical data

T max 365 °C
DN max 600
PN max 320


Swing check valve for nuclear applications, with butt weld ends, with bolted cover, internally mounted hinge pin, forged body made of steel or stainless steel.


Safety feed, feed water, live steam and condensate systems.

Further technical information about ZRN

Overview of technical data

T -29 – 365 (°C)
DN 50 – 600
PN 320
Actuator options available ex works No
Valve disc/plug material Metal-to-metal seat
Threaded-end design butt weld end design
Body material (EN standard) 1.0460, 1.4550
Main applications Energy
Body material Stainless steel,