ductile iron cover and frame
Product Name Ductile Iron Manhole Cover
Brand Feilong Gaian
Material Ductile Iron
Actual Load Capacity 30KN–450KN
Load Capacity High load-bearing strength, suitable for heavy vehicles
National Standard Load Rating A15–D400
Application Scope Municipal roads, green belts, sidewalks, residential areas, parking lots, main roads, expressways, etc.
Ductile Iron Cover and Frame - Heavy-Duty Infrastructure Solutions
When you're looking for reliable access solutions for municipal infrastructure, a ductile iron cover and frame offers unmatched durability and safety. Made from high-grade spheroidal graphite cast iron, these covers deliver superior strength while maintaining the flexibility needed for demanding applications. Unlike traditional gray iron alternatives, our product systems provide exceptional impact resistance and longevity for your projects.
Product Specifications
Our comprehensive range includes both round and square configurations to meet your specific installation requirements.
Round Ductile Iron Covers
| Size (mm) | Type | Load Capacity |
|---|---|---|
| Φ1000×1150 | Standard | B125 |
| Φ900×1050 | Standard | B125 |
| Φ800×900 | Standard | D400 |
| Φ700×900 | Standard | D400 |
| Φ700×800 | Standard | D400 |
| Φ600×700 | Standard | D400 |
| Φ500×600 | Standard | C250 |
| Φ400×500 | Standard | B125 |
| Φ750×900 | 5-Proof¹ | D400 |
| Φ700×850 | 5-Proof¹ | D400 |
| Φ700×890 | 5-Proof¹ | D400 |
Square Ductile Iron Covers
| Size (Width × Length, mm) | Load Capacity |
|---|---|
| 1200×1200 | B125 |
| 800×1200 | B125 |
| 1000×1000 | C250 |
| 800×1000 | B125 |
| 500×1000 | B125 |
| 800×800 | C250 |
| 700×700 | D400 |
| 600×600 | C250 |
| 500×500 | C250 |
| 400×400 | B125 |
| 400×600 | B125 |
| 300×500 | B125 |
¹ 5-Proof system includes: Anti-settlement, Anti-theft, Anti-noise, Anti-displacement, Anti-fall features
Note: Due to continuous upgrading and optimization of product technology, there may be errors in product appearance and parameters. Please refer to the actual product.
Key Product Features
Superior Material Properties
Our covers use Grade 500-7 ductile iron with nodular graphite structure. This provides tensile strength ≥500 MPa and elongation ≥7%, ensuring your infrastructure withstands heavy traffic loads without brittle failure.
Load Capacity Range
- Actual Load Capacity: 30KN–450KN
- National Standard Ratings: A15–D400
- Applications: From pedestrian areas to heavy-duty highways
Safety & Security Features
The 5-proof system in our premium models addresses common infrastructure challenges. Anti-theft mechanisms use specialized locking bolts. Anti-noise design eliminates rattling under traffic. Precision machining prevents displacement and settlement issues.
Applications
Your ductile iron cover and frame solution works perfectly across multiple environments:
- Municipal arterial roads and highways
- Residential areas and parking lots
- Green belts and sidewalks
- Utility access points (drainage, telecommunications, gas)
- Commercial and industrial facilities
The versatile design accommodates various utility types while maintaining consistent performance standards.
Why Choose FLA Industrial?
Customization Services
We specialize in custom-shaped parts and non-standard sizes. Our engineering team provides 3D design verification within 24-48 hours of your inquiry. Whether you need unique dimensions or special structural features, we deliver tailored solutions that meet your exact specifications.
Quality Assurance
All Products" target="_blank" style="color:blue" >products carry ISO quality management certification and CE safety compliance. Our manufacturing process includes rigorous testing for nodularity analysis, permanent set resistance, and coating adhesion to ensure long-term reliability.
Fast Delivery
With 2,000 tons of standard inventory, we ship common sizes immediately. Custom orders complete in just 7-15 days thanks to our efficient production systems. You'll never face delays due to order size limitations.
Technical Support
From starting shape advancement through last conveyance, our group gives comprehensive help. We optimize item formats, affirm dimensional precision, and keep you upgraded on generation advance all through your order.
Frequently Asked Questions
Q: What's the distinction between pliable press and gray press covers?
A: Bendable press offers twofold the quality with adaptability that avoids splitting. Gray press is delicate and inclined to sudden disappointment beneath impact.
Q: Which stack course ought to I select for vehicle traffic?
A: For standard streets, D400 lesson handles overwhelming vehicles securely. Stopping ranges ordinarily utilize C250, whereas person on foot zones require B125 minimum.
Q: Can these covers be made watertight?
A: Yes, we machine bolt-down spines with neoprene gaskets for pressure-tight applications when water resistance is critical.
Q: How do you avoid robbery of covers?
A: Our coordinates pivot frameworks and specialized locking jolts require interesting apparatuses, making unauthorized expulsion greatly difficult.
Q: What's the anticipated benefit life?
A: With appropriate establishment and standard defensive coating, anticipate over 30 a long time of dependable benefit indeed in high-traffic environments.
Q: Do you give custom sizes?
A: Completely. Custom measurements and uncommon shapes are our claim to fame. Contact Us with your necessities for a speedy cite and plan confirmation.
Contact Us
Ready to upgrade your ductile iron cover and frame solutions? Contact our technical team at sales@flaindustrial.com for detailed specifications and custom quotes tailored to your project needs.
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