Main applications

  • Nuclear Island
  • Nuclear Power Stations

Design type

Swing check valves

Technical data

T max 365 °C
DN max 600
PN max 320


Weld end swing check valve with bolted cover, internal 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 0.0 – 365.0 (°C)
DN 50.0 – 600.0
PN 320.0
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
eClass assignment 37010802
Main applications Energy
Body material Stainless steel,