Colour Coding System

Clear colours help navigate in the laboratory
The three zone media indication contains all the information needed to ensure precise and safe operation.
The media indications on the handle are structured according to the EN13792 and SEFA 7 standard. This means that laboratory employees immediately are able to recognize the media and can operate the equipment with confidence.
Know exactly what you are doing
Zone 1
Indicates the kind of media going through the product. Green for water, yellow for flammable gaseous hydrocarbons, black for tonic gases etc. The area of zone 1 shall be at least as large as that of zone 2.
Zone 2
Indicates the direction to turn the handle in order to increase or decrease volume pressure. Zones 2 and 3 shall be circular.
Zone 3
An abbreviation or description of the media. The diameter of zone 3 shall be at least 7 mm.


Choose your material
Our handles are produced in two types of material, so you have the choice between molded polypropylene and painted zinc.
The look and feel differs slightly between the two types, but quality and durability is at the same high level.
Instant identification
Clear colours help employees identify the various taps, valves and regulators in the laboratory safely and quickly.
International systems or your own
All handles in our programme can be delivered according to an international colour coding system (EN13792 and SEFA 7) or to your own system.
Also for fume cupboards outlets
We also deliver fume cupboard outlets with coloured media indication, as the only supplier on the market.
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A unique concept built around a patented connection, which allows you to choose various connection methods without compromising safety.
Contact us
If you have any questions or want to receive a free quote, please fill out the form below and one of our experts will contact you. You can also contact us by phone.