Main applications

  • Chemical industry
  • Food and beverages
  • Industry engineering
  • Marine
  • Steel
  • Sugar

Technical data

T max 650 °C
DN max 800
PN max 600


Swing check valve to DIN/EN with butt weld ends, pressure seal design, internally mounted hinge pin, billet-forged body; seat/disc interface made of wear and corrosion resistant Stellite.


Industrial plants, power stations, process engineering and shipbuilding. For water and steam. Other non-aggressive fluids such as gas or oil on request.

Further technical information about ZRS

Overview of technical data

T -10 – 650 (°C)
DN 50 – 800
PN 600
Body design Straight pattern body
Valve disc/plug material Metal-to-metal seat
Threaded-end design butt weld end design
Body material (EN standard) 1.0460, 1.7335, 1.4905, 1.4903, 1.4922, 1.6368, 1.7380, 1.5415
Main applications Industry and process engineering, Energy, Shipping / Shipbuilding
Body material Forged steel
Body/bonnet seal element Pressure seal bonnet