DILO SF6 valves and couplings

The perfect connection to the gas compartment

Are you looking for pressure and vacuum tight valves and couplings for SF6 gas use? DILO is the right choice! We offer the largest range of products worldwide. Whether for medium voltage switchgear, high voltage switchgear or gas-insulated lines (GIL) our products always meet your requirements.

The DILO seal principle prevents the loss of SF6 gas and moisture from penetrating the SF6 gas system. DILO couplings 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 application

  • Self-closing coupling system
  • Pressure and vacuum-tight even when coupling and uncoupling
  • Leak rate ≤ 1x10-8 mbar l/s (DN6-DN20)**
  • Permanent tightness even when frequently connected and disconnected
  • Applicable up to PN 64 bar
  • Suitable for temperatures from -60 °C to +80 °C*
  • Direct connection to DILO service carts without adapter
  • Available in different materials even for outdoor switchgear

* Special versions for low temperatures on request
** Leak rate DN40 on request