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Luzhongbao 500×320×50 Composite Single Grate

Product Features:

Efficient Drainage,Corrosion Resistant,Lightweight & Sturdy

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.

Product Description

Luzhongbao 500×320×50 Composite Single Grate: Redefining the Performance and Reliability of Drainage System Inlets


Materials Science and Process Innovation

The exceptional performance of the Luzhongbao Single Grate stems from its top-tier material system and manufacturing process. The matrix uses high-strength unsaturated polyester resin, supplemented with UV-resistant and anti-aging additives, allowing the product to maintain stable performance under long-term outdoor exposure and effectively resist chemical erosion from rainwater, de-icing agents, and urban pollutants. The reinforcement material employs continuous glass fibers laid in oriented directions, forming a multi-dimensional reinforcement skeleton that gives the product extremely high compressive, impact, and fatigue strength.

The manufacturing process utilizes computer-controlled ten-thousand-ton presses for high-temperature, high-pressure compression molding. This process ensures thorough resin-fiber impregnation and very high density, eliminating internal defects and giving the product structural homogeneity far exceeding that of ordinary hand-laid or cast products. The one-shot molding method integrates the grate and frame seamlessly, fundamentally eliminating the risk of structural failure.


Structural Design and Performance Characteristics

The structural design of this product is the core of its superior performance. The 50mm thickness is not simply added material but an optimal structural height achieved through precise calculation. The internal design uses intersecting longitudinal and transverse reinforcing ribs, creating a stable spatial force-bearing system that allows loads to be efficiently transferred to the entire supporting surface. The unique grating opening design is optimized through fluid dynamics simulation, ensuring drainage efficiency while effectively preventing clogging by leaves and other debris.

Its load-bearing performance reaches the industry's top level, capable of meeting up to E600 grade load requirements, with a test load exceeding 60 kN. It can be safely applied on main roads with heavy vehicle traffic and special vehicle passages. The mating surface between the grate and the frame is precision-machined, ensuring no movement or noise after installation, and it features a self-cleaning function, effectively reducing sediment accumulation.


Engineering Applications and Comprehensive Benefits

The engineering value of this single grate is reflected in multiple dimensions. Its lightweight characteristic (weighing only one-fourth of equivalent cast iron products) makes transportation and installation extremely convenient; two construction personnel can easily complete the installation, significantly reducing labor costs and intensity. The characteristic of having no scrap value completely solves the theft problem, reducing safety hazards and subsequent maintenance costs caused by grate theft.

From a whole-life-cycle cost perspective, although its initial investment is slightly higher than ordinary products, its design service life exceeding 30 years, near-zero maintenance requirements, and the long-term benefits of eliminating theft make its comprehensive cost advantage highly significant. The product can be produced in different colors as needed, perfectly integrating into the surrounding environment and enhancing the overall aesthetics of the project.


Summary

The Luzhongbao 500×320×50 Composite Single Grate represents a significant advancement in drainage system inlet technology. It successfully integrates advanced materials science, structural mechanics, and modern manufacturing processes. The product not only solves various technical challenges faced by traditional materials but also sets new industry standards in drainage efficiency, safety performance, and service life. Choosing this product means selecting long-term quality assurance and an exceptional performance experience for municipal drainage systems. It is a wise decision promoting the development of urban infrastructure towards greater safety, durability, and environmental sustainability.

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