315-series D400 Telescope set 2003178C consists of a floating round manhole cover 3366040/1-N set, DN315 x 9,7mm x 0,75m SN2 telescope pipe and M12 bolts and nuts. The set is designed for Nordic conditions, in accordance with standard EN 124-2:2015. Frame and cover are manufactured from grey cast iron EN-GJL-200 and classified under Load Class D400, pipe is from PE and bolts and nuts from A2 stainless steel.

Cover can be opened using a magnetic lifter CW1600.

Typical applications are public roads, inner streets and car parks.