Specifications:
The document details the specifications of ductile iron inspection manhole covers conforming to EN-GJS-500-7 standards, with a load-bearing capacity exceeding 400 kN (40 tons), compliant with the D400 load class as per EN 124:2015.

Frame:
The frame is a single cast design, allowing opening via triangular section covers with double hinges, providing free access to two or three sides. It features an external flanged border for optimal cement hold and holes for anchoring bolts.

Covers:
The triangular covers open to a maximum of 110° and lock automatically at 90° for safety. They can be removed without disassembling the hinges, allowing partial and sequential opening. The master half cover includes a stainless steel lock operable with a special key, enhancing security and preventing unauthorized access. The non-skid upper surface ensures complete water drainage to prevent ice formation.

Accessories:
Accessories such as grating sump, iron anchor, and bracket cable are available on demand.

Product Range:
The catalog lists various models with different dimensions, net openings, heights, and weights, suitable for diverse installation requirements.

Approved Suppliers:
The document lists approved suppliers for the products, ensuring quality and compliance with standards.