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ZRS Swing check valve
Swing check valve


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.
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Technical Data

  • Nominal pressurePN 600, Special
  • Max. nominal sizeDN 800
  • Max. allowed fluid temperature650 °C

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  • Robust body made of billet-forged steel.
    • Very dense, homogenous and fine-grained microstructure. Extremely robust material able to withstand high stresses.
    • Ideal for very high pressures and temperatures.

Technical Data

  • FunctionPrevent backflow
  • Connection typeButt weld ends
  • Casing materialP250GH, LEGIERTER EDELSTAHL, 15NICUMONB5, 16MO3, X10CRMOVNB9-1, X10CRWMOVNB9-2, GS-12CRMO9-10
  • Nominal pressurePN 600, Special
  • Max. nominal sizeDN 800
  • Min. nominal sizeDN 50
  • Max. allowed fluid temperature650 °C
  • Min. allowed fluid temperature-10 °C

Sectional Drawings


Last change
Type series booklet ZRS (7278.1_EN)PDF1.3810/18/2021