The manhole cover is very similar to another lid and differs mainly in the way in which the name of the manufacturer appears, as well as in the location and type of standard marks Click for cover's details
ERKON is a Turkish manhole covers manufacturer, which could be a collaboration between the manufacturers.
If you know the meaning of the following symbol Click for a larger image
(which is likely related to the load or standard of the lid), click on the question mark Translation of the text on the cover
HaGihon at your service
The emblem of the HaGihon
HaGihon Company Ltd.
Jerusalem Sewage and Water Corporation
NAI Kurdieh Castings Ltd.
The Standard mark of the Standards Institute of Israel