Square ductile iron grate and frame assembly with a slotted grate pattern for water drainage. The grate sits within a recessed Square frame and is supported by a robust rim.

the product Model No. MC-451 A7 DI L (HD) has been manufactured and tested in accordance with the relevant international and project-specific standards. The product is made of heavy-duty ductile iron, produced in compliance with ASTM A536 material standards, ensuring high strength, durability, and long service life.

The design conforms to BS EN 124 standards for manhole and handhole covers. It consists of a square ductile iron grate and frame assembly with a slotted grate pattern for efficient water drainage. The grate sits within a recessed square frame and is supported by a robust rim to provide maximum stability and load-bearing capacity. The product dimensions include a clear opening of 600 x 600 mm, an overall base of 750 x 750 mm, and a depth of 75 mm.

The product has been tested and certified to withstand a 40-ton load capacity (D 400 class), making it suitable for heavy-duty
applications such as roads, highways, and high-traffic areas.
The assembly incorporates four foundation holes and four locking bolts, ensuring secure installation and enhanced safety in operation. For protection against corrosion and environmental exposure, the product is supplied with a black coaltar epoxy protective coating.
Each grate is permanently inscribed with the manufacturer’s name, production batch number, load class, applicable standard, and country of origin, ensuring full traceability, compliance verification, and easy identification.

We hereby declare that the product Model No. MC-451 A7 DI L (HD) fully complies with the requirements of ASTM A536 material standards and the BS EN 124 design standard. The product has been verified to achieve a 40-ton (D 400) load capacity, ensuring reliability, safety, and performance for heavy-duty applications.