The SB-615 (HD) Heavy-Duty Grey Cast-Iron Surface Box is manufactured in full compliance with
ASTM A48 material standards and conforms to the BS EN 124 design standard for manhole and
handhole covers.

Constructed from high-quality heavy-duty grey cast iron, the unit features a cylindrical body with a
circular top cover, incorporating a recessed seating surface and flanged base for stability. It provides a
clear opening of 140 mm Ø, an overall base diameter of 270 mm Ø, and a depth of 180 mm, designed to
withstand heavy-duty loading conditions.

The surface box is equipped with a locking device and closed key holes to ensure operational security.

A coaltar epoxy coating (250-micron DFT) is applied for superior corrosion resistance and durability.

Each cover is permanently cast with the manufacturer’s name, production batch number, utility
identification (W – مياه) in Arabic and English, load class, applicable standard, and country of origin,
ensuring clear identification and traceability.

This product meets all specified project requirements in terms of material grade, dimensional
conformity, load performance, security features, protective coating, and permanent marking..