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Manhole cover
315 Optimized grating

315-series Optimized 3366133-N is rounded grating with spring locks fits for floating, rounded frame (3366131-N). The grating is designed for Nordic conditions, in accordance with standard EN 124-2:2015, manufactured from ductile iron EN-GJS-500/7 and is classified under Load Class D400.

Cover can be opened using crowbar.

Typical applications are inner streets, car parks, pedestrian zones.

Specifications:
Product code:
3366133-N
Warranty:
1
Years
Product category:
Optimized
Market:
Estonia, Finland, Germany, Latvia, Norway, Sweden, Switzerland
Product type:
Grate
Locking mechanism:
Spring locks
EN load class:
D400
Material marks:
Ductile EN-GJS-500/7
measurements:
Weight:
7
kg
Max height:
80
mm
diameter:
314
mm
Seating depth:
20
mm

How to: Open a Lockable Manhole Cover

This video demonstrates how to open with a crowbar, quick clean and close the cover easily. It showcases our lockable manhole cover of 315 series, but same method applies to all other Combi Works lockable manhole covers.