SMC Round Manhole Cover and Frame with Lifting Holes

Why Choose BAOGAI? (Corporate Strength & Reliability)

In the global infrastructure market, BAOGAI provides the dual assurance of financial stability and manufacturing precision.

• The Only Listed Leader in the Industry: As the only listed company in China specializing in composite manhole covers (Stock Code: 874551), BAOGAI offers the highest level of corporate compliance, transparent quality control, and long-term supply security. Our listed status is your guarantee of a risk-free partnership.
• Precision In-House Mold R&D Center: We operate our own high-precision mold factory. This means the Φ600×70 specification is optimized for perfect fit and finish. Our in-house capability allows for Rapid Customization (logos, special patterns, or locking systems) with significantly shorter lead times and lower costs than traditional manufacturers.

Product Overview

The BAOGAI Φ600mm C250 SMC Circular Manhole Cap and Frame is engineered for high-performance municipal and industrial applications. With a robust 70mm frame depth and a test load capacity of 250kN (25 Tons), it is the ideal solution for kerbside channels, car parks, and industrial sites where durability and personnel safety are paramount.

Technical Specifications

MAIN PARAMETER

Key Product Benefits

• High-Load Stability (C250 Rated): Tested to 25 tonnes, this cover comfortably handles light to medium vehicular traffic, making it perfect for road verges and commercial parking areas.
• Personnel Access Safety: The large Φ800mm design provides a generous clear opening, allowing maintenance workers with equipment to enter and exit underground chambers safely and efficiently.
• Corrosion & Rust Proof: Unlike ductile iron, FRP (Fiber Reinforce Plastic) is inherently resistant to salt, moisture, and chemical runoff. It requires zero maintenance and will not seize in the frame over time.
• Anti-Theft & “Zero Recovery Value”: As a composite material, it has no scrap value. This eliminates the risk of theft on public roads, protecting your infrastructure and the public from “open pit” hazards.
• Quiet Urban Environment: The natural vibration-damping properties of FRP, combined with our precision-molded fit, ensure the cover remains silent even under traffic—no more “metal clanging” in residential or commercial zones.

Target Applications

• Municipal Roadways: Kerbside channels and verges (within 0.5m of the road edge).
• Industrial Sites: Factory drainage networks and loading bay perimeters.
• Commercial Infrastructure: Shopping mall car parks and hospital utility access.
• Telecommunications: Large-scale underground fiber optic chambers.

FAQ

Q1: Can this C250 cover be used in the middle of a high-speed highway?

A: No. According to EN124 standards, C250 is suitable for kerbside areas and parking lots. For main carriageways and highways with high-speed heavy traffic, we recommend our D400 SMC series.

Q2: How does being a listed company benefit my order?

A: It means we are subject to regular government and financial audits, ensuring we follow ethical labor practices and use only high-grade raw materials. You get a “peace of mind” guarantee that the product delivered matches the technical data sheet 100%.

Q3: Is the Φ600 measurement the “Clear Opening” or the “Frame Diameter”?

A: Φ600 is the external frame diameter. The clear opening is typically 550mm, providing a standard unobstructed access point for personnel as per international safety guidelines.

Q4: Can you emboss our city’s crest or company logo on the cover?

A: Yes. Thanks to our in-house mold factory, we can create custom-branded covers with very low lead times. We can even provide a 3D mock-up of the logo for your approval before production.

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