Sempell Nuclear Model NICO 4000 High Pressure Stop and Check valves

Sempell Nuclear Model NICO 4000 High Pressure Stop and Check valves

Sempell™ nuclear model NICO 4000 is designed for all application of stop valves in nuclear power plants up to a nominal diameter of two inches.

Size NVS ½ – 2 (DN 10 – 25)
Pressure rating Up to class 2500 / PN 400
Temperature up to +400°C
Body material DIN 1.0460, 1.4404, 1.4550
ASME SA105, SA182F316L, SA182F347 
  • Die-forged body
  • Antinit DUR 300 hardfaced seat (Co–free)
  • Stem nut drive sealed against contamination
  • Visual position indicator
  • Low driving forces
  • Low pressure loss
  • Simple on–line actuator mounting
  • Designed for stall torque conditions
  • Earthquake resident
  • References in German Pressurized Water Reactor Sweden & Finland BWR, Russian Pressurized Water Reactor (VVER)

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