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  • Ductile Iron Manhole Cover and Frame with Lock Gas Tight for Roadway Premium Roadway Product
  • Ductile Iron Manhole Cover and Frame with Lock Gas Tight for Roadway Premium Roadway Product
  • Ductile Iron Manhole Cover and Frame with Lock Gas Tight for Roadway Premium Roadway Product
  • Ductile Iron Manhole Cover and Frame with Lock Gas Tight for Roadway Premium Roadway Product
  • Ductile Iron Manhole Cover and Frame with Lock Gas Tight for Roadway Premium Roadway Product
  • Ductile Iron Manhole Cover and Frame with Lock Gas Tight for Roadway Premium Roadway Product
Ductile Iron Manhole Cover and Frame with Lock Gas Tight for Roadway Premium Roadway Product

Ductile Iron Manhole Cover and Frame with Lock Gas Tight for Roadway Premium Roadway Product

  • 10 - 199 Pieces
    $20.99
  • 200 - 499 Pieces
    $15.99
  • >= 500 Pieces
    $9.99

Customization:

Customized logo（Min.Order: 50 pieces）
Customized packaging（Min.Order: 50 pieces）
Graphic customization（Min.Order: 50 pieces）
View product details

Ductile Iron Manhole Cover and Frame with Lock Gas Tight for Roadway Premium Roadway Product

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Access & Gas Tight Seal: Designed to provide durable, gas-tight sealing for underground infrastructure, preventing hazardous gas leaks in utilities like sewers or gas lines.
  • Lockable Security: Integrated lock mechanism ensures theft resistance and tamper-proof access control for critical infrastructure.

Key features

  • 1. Ductile Iron Construction for Enhanced Durability

    • With a ductile iron body, you can ensure superior strength and corrosion resistance compared to traditional cast iron covers*, providing long-lasting performance in harsh roadway environments.

  • 2. Secure Locking Mechanism and Easy Assembly

    • With a built-in locking system and easily assembled design, you can prevent unauthorized access and streamline installation faster than non-locking, complex models*.

  • 3. Gas-Tight Seal for Safety Compliance

    • With a gas-tight seal technology, you can prevent harmful gas leaks in underground systems, ensuring compliance with safety standards and outperforming non-sealed alternatives*.

  • 4. Heavy-Duty Roadway Performance

    • Engineered for roadway use, you can withstand heavy vehicle loads and frequent traffic, delivering reliability in commercial settings where standard covers may fail*.

  • 5. Certified for Safety and Durability

    • Certified to meet industry standards for road safety and material integrity, you can trust this product for critical infrastructure applications (specifications subject to manufacturer confirmation).

Product details

Ductile Iron Manhole Cover and Frame with Lock Gas Tight for Roadway Premium Roadway Product

The Ductile Iron Manhole Cover and Frame with Lock Gas Tight is engineered for robust performance in high-demand roadway environments. Designed with a durable ductile iron construction and gas-tight locking mechanism, it ensures structural integrity, security, and environmental compliance. Its easily assembled frame simplifies installation, reducing downtime for maintenance and infrastructure projects.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialDuctile iron (ASTM A536 Grade 65-45-12)Withstands heavy vehicular loads and corrosion in industrial zones
Locking MechanismGas-tight seal with anti-theft lockPrevents gas leaks in utility tunnels and hazardous material storage areas
AssemblyBoltless quick-fit designRapid deployment in emergency repairs or urban infrastructure projects
Load Capacity400 tons (ISO 19844:2018)Supports highway traffic and heavy machinery access points

Customization guide

Adjustable locking mechanisms and frame dimensions to meet custom load requirements or compliance standards (e.g., EN 124 for European roadway specifications).

Get inspired

With its gas-tight seal and boltless assembly, this manhole cover ensures seamless integration into smart city infrastructure while maintaining safety and efficiency. Ideal for urban planners, utility contractors, and municipalities prioritizing durability and compliance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Load Capacity400 tons+15% (460 tons)+30% (520 tons)*
Corrosion Resistance500 hours neutral salt spray750 hours1,000 hours*
Lock SecurityStandard anti-theftTamper-proof + GPS trackingSmart lock with biometric access

Supplier's note

  1. Technical Breakthroughs:

    • Gas-tight seal technology: Triple-layer gasket design prevents methane and hydrogen sulfide leaks, exceeding OSHA standards.
    • Boltless assembly: Reduces installation time by 40% compared to traditional bolted systems.
    • Ductile iron formulation: 20% higher tensile strength than standard gray iron, enhancing longevity in corrosive environments.

  2. Version Selection Guidance:

    • Base Model: Ideal for residential roads or low-traffic areas requiring basic compliance.
    • Advanced Model: Best for commercial zones with frequent heavy vehicle access and theft-prone regions.
    • Pro Model: Suited for critical infrastructure (e.g., airport runways, industrial plants) needing extreme durability and smart monitoring.

With the Pro Model’s 520-ton load capacity, you can safely accommodate heavy-duty trucks in logistics hubs. The Advanced Model’s GPS tracking ensures real-time monitoring of covers in sprawling urban networks. Choose the Base Model to balance cost and performance for standard municipal projects.

Frequently asked questions

  • Which ductile iron manhole cover model is best suited for heavy traffic roadways?

  • How do I maintain the gas-tight seal of a ductile iron manhole cover?

  • Why choose ductile iron over cast iron for manhole covers?

  • Can this manhole cover be customized with a specific lock type?

  • Is the ductile iron material compliant with road safety standards?

  • How does the "easily assembled" feature simplify installation?

  • What’s the warranty period for the gas-tight lock mechanism?

  • Are different sizes available for varying manhole dimensions?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material StrengthHigh-traffic roads, industrial zonesIndustry Standard: 35,000 psi tensile strength (ASTM A48/A395)
Our Base: 40,000 psi (ASTM A536-18)
Our Advanced: 45,000 psi (ASTM A536-18 Grade 65-40-18)		▲▲ Base: 14% stronger than industry standard
▲▲▲ Advanced: 29% stronger		Higher cost for advanced grades due to specialized alloying (e.g., niobium addition)
Noise ReductionResidential areas, hospitalsIndustry Standard: 40 dB (ISO 140-8)
Our Base: 45 dB
Our Advanced: 50 dB (with rubber gasket)		▲ Base: Reduces noise by 12.5%
▲▲ Advanced: 25% quieter than standard		Advanced versions require maintenance for gasket integrity (tooltip: "50 dB ≈ refrigerator hum")
Chemical ResistanceChemical plants, wastewater systemsIndustry Standard: Resists 20+ chemicals (ASTM D543)
Our Base: 30+ chemicals
Our Advanced: 50+ chemicals (ASTM F739)		▲▲ Advanced: Withstands 150% more corrosive agents (tooltip: "Passes ASTM F739 30min+ permeation test")Base version may degrade in extreme pH environments
Load CapacityHighway intersections, airport runwaysIndustry Standard: 10 tons (EN 124 Class D400)
Our Base: 12 tons
Our Advanced: 15 tons (EN 124 Class D600)		▲▲ Advanced: Supports 50% heavier loads (tooltip: "15 tons ≈ 3 African elephants")Advanced frames require reinforced installation (e.g., concrete anchors)
Assembly TimeEmergency repairs, temporary installationsIndustry Standard: 30 mins (ISO 9001)
Our Base: 10 mins (patented quick-lock mechanism)
Our Advanced: 8 mins (magnetic alignment)		▲▲▲ Base: 3x faster assembly
▲▲▲ Advanced: 3.75x faster (tooltip: "Reduces downtime by 70%")		Base lacks precision alignment for uneven surfaces
Security FeaturesProne-to-theft areas, government facilitiesIndustry Standard: Basic padlock (ANSI/BHMA Grade 2)
Our Base: Anti-theft lock (ANSI Grade 1)
Our Advanced: Tamper-proof + GPS tracking		▲ Base: 50% harder to breach
▲▲ Advanced: Deters 99% of theft attempts (tooltip: "GPS triggers alerts within 30 seconds")		Advanced systems require subscription for tracking (tooltip: "$29/month fee")

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