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Drainage Grating

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A drain grating, also known as a drain cover, is a crucial part of any drainage system. It is typically made of materials like metal (such as stainless steel, cast iron, or brass), plastic, or composite materials.

Its main function is to prevent large debris, like leaves, twigs, and trash, from entering the drainage pipes. This keeps the pipes from getting clogged and ensures smooth water flow. Drain gratings are used in various places, including streets, parking lots, building entrances, and shower areas. They come in different shapes, such as square, round, and rectangular, to fit different applications.


High - Strength Materials

Our drainage gratings are crafted from top - notch materials such as high - grade stainless steel and heavy - duty cast iron. Stainless steel models can withstand a load of up to [8000] kilograms, ensuring long - term durability even in high - traffic areas like industrial parks and commercial driveways. This strength reduces the need for frequent replacements, saving both time and money. 


Excellent Drainage Capacity

Featuring a well - designed pattern of openings, our gratings offer exceptional drainage efficiency. They can handle water flow rates of up to [10000] liters per minute. The optimized hole size and layout prevent debris from clogging while allowing rapid water runoff. This is especially crucial in flood - prone areas or locations with heavy rainfall. 


Anti - Slip Surface

Safety is a priority, which is why our gratings have an anti - slip surface treatment. Whether it's wet from rain or covered in industrial fluids, the surface provides a coefficient of friction of at least [75], reducing the risk of slips and falls. This makes them suitable for areas where pedestrian or vehicle traffic is common. 


Customizable Design

We understand that different projects have unique requirements. Our drainage gratings are available in a variety of shapes (square, rectangular, circular) and sizes, with customizable hole patterns. For example, in a recent project, we provided gratings with a special slotted design to meet the specific drainage needs of a modern architectural complex. 


Corrosion - Resistant

In harsh environments, corrosion can be a major issue. Our gratings, especially those made of stainless steel or treated with anti - corrosion coatings, are highly resistant. They can endure exposure to corrosive substances like salts and acids for over [20] years without significant degradation. This makes them ideal for coastal areas, chemical plants, and other corrosive environments. 



Parameter Details


Material

Load - bearing Flat Steel: Q235A carbon steel for cost - effective strength, or stainless steel (304/316) for corrosion resistance.  

Cross Bar: Q235A or 304 stainless steel, available as round, twisted square (5×5mm - 8×8mm), square, or hexagonal steel for added stability.


Dimensions

Flat Steel: Thickness from 3 - 10mm (e.g., 25×3mm - 100×10mm), width varies by load needs.  

Grid: Flat steel center - to - center: 30/40/60mm; cross - bar: 100/50mm. 

Overall: Standard sizes, customizable. Standard width 995mm with 5mm installation gap.


Load - bearing

Light - duty: 25 tons/m², for residential walkways, parks, light - vehicle parking.  

Medium - duty: 70 tons/m², suitable for factory areas, ordinary roads with <20 - ton vehicles.  

Heavy - duty: 140 tons/m², for heavy - traffic areas like main roads, industrial docks.


Surface Treatment

Hot - dip Galvanizing: 85μm zinc coating, 20 - year + lifespan in normal conditions. 

Cold Galvanizing: Thin coating for less - demanding use. 

Painting: Anti - rust paint in various colors for aesthetics and corrosion prevention.


Drainage Efficiency

Leakage Area: Up to 83.3% for fast water runoff. 

Example: drains [1000] liters/min per m² at 50mm/h rainfall.


Anti - slip

Anti - slip surface (embossed/coated) offers coefficient of friction ≥ 0.6 in wet/oily conditions.


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Applications:


Urban Streets

Steel grilles in road gutters bear vehicle weight and drain rainwater fast. This stops waterlogging, ensuring safe traffic and pedestrian movement.


Industrial Plants

In factory workshops and loading docks, their corrosion - resistance handles chemical spills. High durability withstands heavy - equipment traffic.


Commercial Buildings

Installed at mall and office entrances, parking lots, and basements, they drain water. Anti - slip surfaces add safety, preventing accidents.


Residential Areas

For driveways and sidewalks, they offer a practical drainage fix. Custom designs match aesthetics while keeping areas dry.


Recreational Facilities

Around park fountains, playground walkways, and sports - field changing rooms, they drain water quickly, keeping the area clean and safe for visitors.



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: 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: Can the grilles bear heavy loads?

A: Absolutely. They're designed with different load - bearing capacities. Heavy - duty grilles can withstand up to 140 tons/m², suitable for areas with heavy - truck traffic.


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.


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ABOUT US
Anping Junhe Metal Products Co., Ltd. is a leading manufacturer, processor, and supplier of metal products, specializing in the production and distribution of various metal grating solutions. With years of experience in the industry, we have established a strong reputation for delivering high-quality products that meet the diverse needs of our global clientele.
CONTACT US​​​​​​​
 Xing'an Avenue Old Industrial Park, Anping County, Hengshui City, Hebei Province, China
 liketa8187@qq.com
​​​​​​​ junhejinshu@qq.com
 +86-15631887709
 +86-19718829111
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