Main applications

  • Boiler feed systems
  • Energy
  • Industry engineering
  • Nuclear Island
  • Nuclear Power Stations
  • Oil /Gas
  • Power Stations > 100 MW

Technical data

T max 365 °C
DN max 700
PN max 320


Gate valve with butt weld ends, for nuclear applications, with bolted or pressure seal bonnet, forged or welded body, non-rotating stem, in split-wedge or parallel-disc design, made of steel or stainless steel.


Reactor cooling, safety feed, feed water, live steam, cleaning and condensate systems.

Further technical information about ZTN

Overview of technical data

T -29 – 365 (°C)
DN 80 – 700
PN 320
Actuator options available ex works Pneumatic actuator to customer's choice, Electric actuator to customer's choice
Body design Straight pattern body
Handwheel movememt Non-rising
Valve disc/plug material Metal-to-metal seat
Threaded-end design butt weld end design
Stem sealing Gland packing
Body material (EN standard) 1.0460, 1.4550, 1.5415
Main applications Energy
Body material Stainless steel,