The covers of this manufacturer can be found in many countries (mainly in Europe).

The manufacturer’s covers are made of metal

 

, concrete

 

, or plastic (composite materials)

 

.
The shapes of the covers are round

 

, rectangular (mainly drainage channels)

 

, or square

 

.
Round covers intended for sidewalks are often surrounded by a square frame to facilitate paving work

 

.

No colored covers by this manufacturer were found, but a relatively large number of gilded covers were identified

 

.

City emblems appear on some covers (mainly in Germany and usually due to requirements of the local authority)

 

.

In many cases, the purpose of the cover is not indicated. When it does appear, the function of the cover can be identified by drainage slots

 

or by the word DRAIN

 

, sewer covers by the word KANALIZACE (on covers in the Czech Republic)

 

, heating by the German word WÄRME

 

, and others.

In the cities of Dortmund and Giessen, the covers are sometimes also used for advertising local businesses and shops. For example, a cover located near the J.H Fuhr toy store even indicates the walking distance to the shop

 

.

The year of manufacture of the cover usually does not appear.

Standards
The European standard EN124 and its associated load classes appear on many covers, with the most common load classes being F900 and D400

 

.
As expected from a German manufacturer, many covers also bear the German MPA standard

 

as well as the DIN 19584 standard

 

.
Since the covers are installed in different countries, additional standards can be found, most of which are characteristic of the countries in which the covers are installed. See the list later on this page.

Typical covers
Many covers are characterized by a large symbol in the center

 

. Other covers are characterized by a background reminiscent of sun rays

 

. Many covers by this manufacturer are drainage channels with various forms of drainage slots

 

, along with additional types (all types can be seen at the bottom of this page). There are 77 manhole covers in the site that are made by the Manufacturer
Click for the 77 covers made by ACO Group (Of these, 6 are best covers)