Handan Shengnada New Material Technology Co., Ltd.
                                                                                                           
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5 Years
Since 2021
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Leak Proof Triangle Ductile Iron Manhole Cover 600x600mm to 675x675mm with EN124 Certification for Telecom Access

Price Negotiable
Price: $50-90/t
MOQ: 1 tons
Delivery Time: 15 Days after mold confirm
Brand: SND FOUNDRY
Product Description
Leak Proof Triangle Ductile Iron Manhole Cover
High-quality telecom electric ductile iron manhole covers engineered for leak-proof performance and exceptional durability in demanding telecommunications environments. These covers provide reliable access protection with superior sealing capabilities.
Product Specifications
Clear Opening (mm) Frame (mm) Frame Depth (mm) Weight (kg)
600 × 600 786 × 786 100 77
600 × 600 786 × 786 150 87
675 × 675 855 × 855 100 96
675 × 675 855 × 855 150 108
Quality Control & Inspection
  • Appearance inspection: Surface examination for cracks, pores, shrinkage holes and other defects
  • Dimension measurement: Verification of dimensions and tolerances against design requirements
  • Performance testing: Mechanical property tests including compression resistance, bending resistance, and impact resistance to ensure compliance with EN124 standards
Finished Product Assembly
  • Precise matching of manhole cover with manhole ring for optimal sealing and stability
  • Professional packaging, numbering and storage prior to delivery
Optional Customizations
  • Anti-slip texture or company logo engraving
  • Integration of intelligent sensor modules for position monitoring, anti-theft, and water accumulation alarms
Manufacturing Process
  1. Material preparation using high-quality pig iron and scrap iron with magnesium alloying
  2. Precision casting via sand casting methods
  3. Heat treatment for enhanced strength and flexibility
  4. Application of anti-corrosive surface coatings
  5. Rigorous quality control testing for load-bearing capacity, tensile strength, and dimensional accuracy
Company Expertise
With 20 years of experience in metal goods manufacturing, SND specializes in producing high-quality cast iron products using advanced techniques including sand casting, lost wax casting, and precision machining. Our ISO9001-certified quality control systems ensure consistent product reliability, supported by comprehensive testing including spectrometer analysis, ultrasonic inspection, and mechanical property verification.
Ductile iron manhole cover product photo showing triangular design and construction details Close-up view of leak-proof manhole cover design showing sealing mechanism Telecom ductile iron access cover installation example in telecommunications infrastructure

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Handan Shengnada New Material Technology Co., Ltd.
Location No.4 Building, Wuan industry park, Handan City, Hebei, China
Contact Person Andy

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