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Specifically engineered for coastal environments, our 300×500mm FRP drainage grate delivers enhanced moisture and saltwater corrosion resistance when compared to traditional metal alternatives. Constructed from fiberglass-reinforced polymer, the product maintains structural integrity even under prolonged exposure to high humidity and salt spray conditions. It is designed for use in seawall drainage systems, beachfront property developments, and coastal infrastructure projects. Marine contractors and coastal development planners select these grates to achieve extended service life and reduced routine maintenance requirements for coastal construction works.
CODE | LOAD | O | D | F | h | H | WEIGHT |
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WG300x500-1 | Light Duty | // | 300x500 | // | 40 | // | 8.0 KG |
WG300x500-2 | Medium Duty | // | 300x500 | // | 40 | // | 8.5 KG |
Note: Items marked with "//" are not specified for this product series. The "D" column refers to the outer dimensional specification of the grate panel, and the "h" column refers to the vertical height of the grate body.
Each unit in this series weighs between 8.0 kg and 8.5 kg. Relative to traditional metal or concrete grates with equivalent panel dimensions, this weight profile supports simpler manual handling, on-site transport, and installation processes. This property helps reduce labor input and installation time for construction teams.
Manufactured from fiberglass-reinforced polymer, the drainage grate resists corrosion caused by saltwater, atmospheric moisture, and common industrial chemical agents. This material characteristic makes the product suitable for deployment in harsh working environments such as coastal zones and industrial production sites, slowing down material degradation from long-term corrosive exposure.
The form flexibility of composite materials allows for an optimized opening layout on the grate surface. This structural design supports consistent water throughput and lowers the risk of debris accumulation and clogging, helping maintain stable drainage performance during continuous operation.
This 300×500mm FRP drainage grate is developed for scenarios with persistent high humidity and salt exposure. Primary applications include seawall drainage works, beachfront commercial and residential properties, coastal municipal infrastructure, and industrial facility drainage systems. The product is also suitable for urban construction, road maintenance, and park facility projects where corrosion resistance and low maintenance are required.
Standard specifications of this drainage grate are available for direct commercial procurement. For standard off-the-shelf models, the lead time is 30 days from formal order confirmation. For projects requiring customized specifications or load ratings, a detailed lead time estimate will be provided after project requirements are reviewed and confirmed.
Products are shipped globally through partnered logistics providers, with routes arranged based on destination and delivery timeline requirements. For urgent orders, multimodal transport solutions can be activated to accommodate tight project schedules. Full order status tracking is available throughout the entire shipping process. Customized product solutions are also offered to meet the specific needs of individual projects.
This drainage grate is produced using SMC and BMC composite materials, which are categorized as fiberglass-reinforced polymer formulations. The production process and full product lifecycle are designed to reduce carbon emissions, lowering overall environmental impact relative to traditional metal-cast drainage products.
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This product line includes two standard load ratings: Light Duty and Medium Duty. The Light Duty model (WG300x500-1) has a unit weight of 8.0 kg, while the Medium Duty model (WG300x500-2) has a unit weight of 8.5 kg. Both models share the same 300x500 panel dimension and 40 mm height specification.
Yes. The fiberglass-reinforced polymer construction provides inherent resistance to saltwater corrosion and high humidity. The product is specifically designed for coastal projects and can maintain its structural integrity under long-term salt spray and humid ambient conditions.
Yes. Customized solutions are available to align with specific project requirements, including adjustments to dimensions and load ratings. A formal quote and lead time estimate will be provided once full project specifications are confirmed.
For standard production models, the typical lead time is 30 days from the date of order confirmation. Lead times for custom orders will be specified separately during the project consultation phase.
