Drainage Grating Product Introduction

Dimensions

Flat Steel

The thickness ranges from 3 - 10mm (e.g., 25×3mm - 100×10mm), and the width varies based on load requirements.

Grid

The center - to - center distance of flat steel can be 30/40/60mm; the cross - bar spacing is 100/50mm.

Overall

Standard sizes are available, and customization is possible. The standard width is 995mm with a 5mm installation gap.

Load - Bearing Capacity

Light - Duty

With a capacity of 25 tons/m², it is appropriate for residential walkways, parks, and light - vehicle parking areas.

Medium - Duty

Rated at 70 tons/m², it is ideal for factory areas and ordinary roads with vehicles weighing less than 20 tons.

Heavy - Duty

Capable of bearing 140 tons/m², it is designed for heavy - traffic areas such as main roads and industrial docks.

Surface Treatment

Hot - Dip Galvanizing

Features an 85μm zinc coating, providing a lifespan of over 20 years under normal conditions.

Cold Galvanizing

Offers a thin coating for less - demanding applications.

Painting

Uses anti - rust paint in various colors for both aesthetic appeal and corrosion prevention.

Drainage Efficiency

Leakage Area

Up to 83.3%, enabling rapid water runoff.

Example

Drains 1,000 liters of water per minute per square meter at a rainfall rate of 50mm/h.

Anti - Slip Property

The anti - slip surface (embossed or coated) provides a friction coefficient of at least 0.6 in wet or oily conditions.

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Material

Load - Bearing Flat Steel

We offer Q235A carbon steel for a cost - effective strength option, or stainless steel (304/316) for enhanced corrosion resistance.

Cross Bar

Available in Q235A or 304 stainless steel, and can be in the form of round, twisted square (ranging from 5×5mm to 8×8mm), square, or hexagonal steel for improved stability.

FAQs：

Q: What's the lifespan of the steel grilles?

A: Our steel grilles, especially when hot - dip galvanized, can last over 20 years in normal conditions. Their robust material ensures long - term durability against wear and corrosion.

Q: Do you offer customization?

A: Yes, we provide customization in terms of size, shape, and hole patterns. This allows the grilles to meet specific project requirements, whether for aesthetics or functionality

Q: Are they easy to install?

A: Yes. Standard - sized grilles come with a 5 - mm installation gap for easy fitting. They can be quickly placed in position. Custom - sized ones also have straightforward installation procedures.

Q: How to clean the grilles?

A: Regularly remove debris with a broom or shovel. For stubborn dirt or stains, use a mild detergent and water. In industrial settings, power - washing may be needed to handle heavy - duty grime.

Q: How can I contact you?

A: Email: 17331466463@steelwiremeshfactory.com; 17331468011@steelwiremeshfactory.com

WhatsApp: +86 17331466463; +86 17331468011

Applications

Urban Roads

Steel grilles installed in road gutters can support the weight of vehicles and rapidly drain rainwater. This prevents waterlogging, ensuring the safety of both traffic and pedestrians.

Industrial Facilities

In factory workshops and loading docks, the corrosion - resistant nature of our gratings can handle chemical spills. Their high durability also enables them to withstand the traffic of heavy equipment.

Commercial Structures

When installed at mall and office entrances, parking lots, and basements, they effectively drain water. The slip - resistant surfaces enhance safety and prevent accidents.

Residential Communities

For driveways and sidewalks, our gratings offer a practical drainage solution. Custom designs can be created to meet aesthetic requirements while keeping the areas dry.

Recreational Venues

Around park fountains, playground walkways, and sports - field changing rooms, they quickly drain water, maintaining a clean and safe environment for visitors.