Stöhr Armaturen GmbH & Co. KG

- Bevel Seat Cryo Valve



The specially shaped seat allows the free fluid stream in open position. Therefore the ELLIPS valves are very interesting when low flow resistance is required. The bevel seat valve ELLIPS is available from size 8 mm to 100 mm with an operating pressure of 25 bar and a temperature range to -253°C. The ELLIPS valve is characterised by a very good DN/cv-value ratio. The ELLIPS valve therefore allows to apply smaller sizes than usual.

  • Service fluids: N2, O2, Ar, H2, He, N2O, CO2, natural gas**
  • Operating temp. fluid: -196°C (-253°C) to +50°C
  • Operating temp. environment: -30°C to +50°C
  • Body material: Stainless steel
  • Body type: Bevel seat (with free flow)
  • Seat sealing: Metal/PCTFE, He-leak rate seat 1 x 10-6 mbar l/s, Metal/PTFE, He-leak rate seat 1 x 10-6 mbar l/s, Metal/Metal, He-leak rate seat 1 x 10-3 mbar l/s
  • Body sealing: Metal sealring, He-leak rate to outside 1 x 10-8 mbar l/s
  • Stem sealing: s. s. bellow, physically tight
  • Surface of components: Machined, grinded, electropolished or passivated
  • Installation position: Actuator on top, ca. 10° from vertical, horizontal or vertical flow
  • Material certificates: DIN EN 10204/3.1B AD2000-A4

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