Sempell Nuclear Model NICO 4000 High Pressure Stop and Check valves

Sempell Nuclear Model NICO 4000 High Pressure Stop and Check valves

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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