In urban drainage and road engineering systems, as the first point of entry for surface drainage, the performance of storm drain grates directly affects regional drainage efficiency, road traffic safety, and overall aesthetics. Traditional cast iron grates have long faced inherent defects such as susceptibility to theft, high noise levels, and poor corrosion resistance, while ordinary composite grates often suffer from insufficient load-bearing capacity, susceptibility to aging and deformation, and other issues. The Luzhongbao 500×320×50 Composite Single Grate, based on high-performance composite material technology and precision structural design, successfully overcomes these technical bottlenecks. Through scientific calculation of grating open area, a unique internal reinforcement structure, and a military-grade modified composite material formula, this product achieves a perfect combination of high drainage efficiency, ultra-high load-bearing capacity, and an ultra-long service life, providing a new generation solution for modern municipal drainage engineering.
This product is manufactured using a one-step high-temperature compression molding process. Its core dimensions are 500mm (length) × 320mm (width) × 50mm (thickness). This specification is optimized through fluid dynamics to achieve the best balance between drainage efficiency and structural strength. The grate body incorporates an internally embedded, computer topology-optimized 3D reinforcement rib network, ensuring loads are evenly distributed to the entire frame. The surface features an anti-slip pattern design, which not only enhances safety for vehicles and pedestrians but also effectively prevents clogging by debris. Compared to traditional products, this single grate offers outstanding advantages such as being insulating and non-magnetic, having no scrap value, being corrosion-resistant, and requiring no maintenance, making it particularly suitable for various application scenarios with stringent requirements for safety, durability, and environmental protection.