DILO Armaturen und Anlagen GmbH

Who we are

DILO has been a specialist in SF6 gas handling for about 50 years. With approx. 300 employees and more than 60 representatives worldwide, DILO is a key technology partner for switchgear manufacturers and power utilities around the world.

DILO produces a wide range of SF6 service and measuring devices as well as SF6 couplings which ensure emission-free and professional SF6 gas handling on medium and high-voltage switchgear in accordance with the latest IEC and EU guidelines. In addition, DILO manufactures special SF6 gas handling units for GIS production as well as leak testing systems and devices for SF6 gas monitoring. Service and measuring equipment for alternative gases are part of our product range as well, which is completed by gas-tight high pressure tube unions.

DILO holds national accreditation as a certification authority and is authorised to carry out training for the acquisition of certificates of competence in accordance with EU 2015/2066 regulation.

Our values

Technology and environment in harmony

Driven by quality, innovation, responsibility and flexibility we focus on healthy growth and sustainability also in the future. Technology and environment in harmony is the clear commitment of DILO towards its staff, customers and partners all over the world. This demand for ecological responsibility is also guaranteed by our product strategy with in-house production and quality “Made in Germany”.

Values for valuable cooperation:


For us, quality means to continuously exceed clearly defined requirements in all sections.


Thanks to innovative solutions we offer our customers’ additional value in safety, handling and economic efficiency.


For us, reliability means to comprehensively fulfil agreements and promises made.


Facing the challenges of the market with flexibility we help to boost our customers’ success as well as our own.