Valves and Couplings

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The DILO seal principle prevents the loss of SF6 gas and moisture from penetrating the SF6 gas system. DILO couplings will eliminate the loss of SF6 gas by incorrect gas handling. Thanks to their reliability, quality and durability DILO couplings are the world’s most widely used connecting system for SF6 switchgear.

 

Advantages of DILO valves and couplings include:

  • Self-closing coupling system
  • Pressure and vacuum-tight even when coupling and uncoupling
  • Permanent tightness even when frequently connected and disconnected
  • Applicable up to PN 64 bar
  • Suitable for temperatures from -40 °C to +80 °C
  • Direct connection to DILO service carts without adapter
  • Available in different materials even for outdoor switchgear

DILO’s wide range of fittings include:

  • Couplings in DN6 to DN40 nominal diameters with various flanges, screw-in versions or as plug-in couplings
  • Soldering unions, screw-in stubs and gauge connections for gas tight piping
  • Ball valves in different versions and pressure ranges
  • Pressure and vacuum-tight rubber and wire braided hoses in various diameters, lengths and finishes
  • Transition pieces and adapters
  • Connections for SF6 gas cylinders
  • Customer specific special solutions