Contact Platform Support
Help CenterFloor Grating for Drainage and Trench Covers, Heavy Duty Cast Iron, Load Rating Class D400
Product Spotlights
Related Products
-
Carbon Steel Floor Grating, 30x30mm Mesh, 4mm Bar Thickness, Serrated Surface for Anti-SlipNegotiableMOQ: 300 Square Meters -
Fiberglass Floor Grating, 1.5 Inch Grid, High Tensile Strength, Corrosion Resistant for Wet AreasNegotiableMOQ: 300 Square Meters
-
Floor Grating for Oil & Gas Platform, Slip-Resistant, 3mm Thick Galvanized, OSHA CompliantNegotiableMOQ: 300 Square Meters
-
304 Stainless Steel Floor Grating, 38x38mm Pitch, 3mm Thick, Welded Type for Heavy LoadNegotiableMOQ: 300 Square Meters
-
Factory Direct Floor Grating, Free Sample Support, Technical Assistance for InstallationNegotiableMOQ: 300 Square Meters
As a professional manufacturer based in Hengshui, Hebei, Hengshui Ruibin New Materials LLC (established in 2019) specializes in producing high-quality floor gratings for drainage and trench covers. Our heavy duty cast iron floor gratings are engineered to meet the demanding Load Rating Class D400 (up to 400 kN), making them ideal for traffic areas such as roads, parking lots, and industrial zones. With 101–200 employees and an annual export value of US$2.5–5 million, we ensure reliable performance and timely delivery to markets worldwide including North America, Europe, and Southeast Asia.
Key Features & Technical Specifications
- Material: Premium ductile cast iron (GJS-500-7) for exceptional strength and impact resistance.
- Load Capacity: Class D400 according to EN 124, capable of withstanding heavy vehicles (up to 40 tons).
- Durable Finish: Factory-applied anti-corrosion coating or optional hot-dip galvanizing for extended service life.
- Non-Slip Surface: Specially designed slot pattern provides excellent traction even when wet.
- Easy Installation: Recessed frame design for secure embedding in concrete or asphalt; supplied with lifting tool for maintenance.
- Custom Sizes: Available in various dimensions (e.g., 500×500 mm, 300×500 mm) to fit standard trench widths; custom orders welcome.
- Fire & Chemical Resistance: Cast iron is non-combustible and resistant to many chemicals, suitable for industrial environments.
| Parameter | Value |
|---|---|
| Load Class | D400 (400 kN) |
| Material Grade | Ductile Iron GJS-500-7 |
| Standard Slot Width | 12 mm (other widths on request) |
| Frame Depth | 50 mm (adjustable) |
| Weight per unit (500x500) | Approx. 25 kg |
| Surface Treatment | Black anti-rust paint / Hot-dip galvanized (optional) |
Client Benefits
- Long-Lasting Performance: Cast iron gratings resist deformation and rust, reducing replacement frequency.
- High Safety: D400 rating ensures safe passage for heavy traffic, preventing collapse or breakage under load.
- Versatile Use: Suitable for municipal drainage, airport aprons, warehouse floors, and agricultural applications.
- Low Maintenance: Smooth surface and self-cleaning slot design minimize debris clogging.
- Cost-Effective: Competitive factory prices without compromising quality; direct procurement from manufacturer.
At Hengshui Ruibin New Materials LLC, we operate a 1,000–3,000 m² modern factory with 101–200 skilled workers. Our annual export value of US$2.5–5 million reflects our commitment to global quality standards. We ship from Port of Tianjin and Port of Qingdao, ensuring fast logistics to your project site. Our gratings have been trusted in demanding environments across 15+ international markets. Contact us today for a quote or sample to experience the durability and precision of our heavy duty cast iron floor gratings.
Frequently Asked Questions
Q1: What is the exact weight of a standard D400 grate (500x500 mm)?
A: The approximate weight is 25 kg per unit. Actual weight may vary slightly based on slot width and frame design.
Q2: Can these gratings be used in pedestrian areas?
A: Yes, although designed for heavy traffic, they are also suitable for pedestrian zones where extra safety margin is desired.
Q3: Are the gratings supplied with a frame?
A: Yes, each grating comes with a matching cast iron frame for secure installation. The frame includes fixing holes for bolting if required.
Q4: Do you offer custom sizes or slot patterns?
A: Absolutely. We can produce custom dimensions and slot configurations based on your drawings or specifications. Minimum order quantity may apply.
Q5: What surface treatments are available for corrosion protection?
A: Standard treatment is black anti-rust paint. For higher corrosion resistance, hot-dip galvanizing is available at an additional cost.
Q6: How long does it take to produce and ship a container?
A: Typical lead time is 15–25 days after order confirmation, depending on order volume. Our factory coordinates with Tianjin/Qingdao ports for efficient loading.
Q7: What is the warranty period?
A: We offer a 12-month warranty against manufacturing defects under normal usage conditions. Extended warranty terms can be negotiated.
Send Inquiry to This Supplier
You May Also Like
-
Pressed Locked Floor Grating, 12x100mm Flattened, 5mm Flat Bar, ASTM F1267 CompliantNegotiableMOQ: 300 Square Meters
-
Aluminum Floor Grating, 1-1/4" x 3/16" Bearing Bar, Lightweight, High Strength Industrial GratingNegotiableMOQ: 300 Square Meters
-
Hot Dip Galvanized Floor Grating, 25x100mm Grid, Load Capacity 1500kg/m2, Industrial GratingNegotiableMOQ: 300 Square Meters
-
1 Year Warranty Floor Grating, Mill Test Report Included, Custom Size Cutting AvailableNegotiableMOQ: 300 Square Meters
-
Fiberglass Floor Grating With Anti-Slip Surface, 25mm Depth, 38x38mm Grid, for Corrosive EnvironmentsNegotiableMOQ: 300 Square Meters
-
304 Stainless Steel Floor Grating With 3mm Thickness, 40x40mm Mesh for Heavy Duty Industrial WalkwayNegotiableMOQ: 300 Square Meters
-
Floor Grating for Drainage Channels, 50x50mm Heavy Duty Mesh, Hot Dipped Galvanized, Smooth SurfaceNegotiableMOQ: 300 Square Meters
-
Walkway Floor Grating Used in Chemical Plants, 316 Stainless Steel, 25mm Thickness, OSHA Standard CompliantNegotiableMOQ: 300 Square Meters
-
Floor Grating With 2-Year Warranty, Technical Support, and Free Sample for Quality TestingNegotiableMOQ: 300 Square Meters
-
Serrated Floor Grating, 40x5mm Bearing Bars, 30x100mm Mesh, Ideal for Slip Resistance in Oil & GasNegotiableMOQ: 300 Square Meters
