600mm Square D400 ductile iron cover and frame is a durable and high-performance access solution designed for heavy-duty environments. It complies with EN 124 standards, ensuring it can withstand loads of up to D400, making it ideal for use in roadways, highways, industrial facilities, and other areas exposed to frequent heavy traffic. Crafted from ductile iron, a material known for its exceptional strength, impact resistance, and durability, this cover provides reliable, long-lasting performance. Its robust design ensures it remains secure and functional under demanding conditions, the 600mm square size provides versatile utility for various access applications.