Are you looking for the best manhole cover factories in China? With numerous options available, choosing the right one can be daunting. In this article, we’ll compare the top manhole cover manufacturers in China, highlighting their strengths, product varieties, and what sets them apart. Let’s dive in and find the perfect fit for your needs.
China Professional Manhole Covers Manufacturer & Supplier
Product Details: Manhole covers are available in various materials including cast iron, ductile iron, stainless steel, fiberglass reinforced plastic (FRP), and different types of rubber and plastics. They come in round, square, and rectangular shapes to fit different applications such as sewer, water, gas, and electrical access. Standard sizes range from 13-1/4 inches to 50-1/4 inches in diameter. Features include UV stability, security locks, watertight seals, and load-bearing capacities up to 5 tons. They are designed for H-20 traffic loading and can be customized with special lettering, locking options, and bolted or gasketed fittings.
Pros:
– Durable and long-lasting, especially those made from cast iron and stainless ste…
– Corrosion-resistant, particularly stainless steel and FRP models.
– Secure options available with locking mechanisms and watertight seals.
– Customizable with various lettering and designs.
– Load-bearing capacities suitable for heavy traffic.
– Easy to install and maintain.
Cons:
– Heavy, which can make handling and installation challenging.
– Some materials may be expensive, such as stainless steel.
– May require periodic maintenance to ensure watertight seals and locking mechanis…
– Installation of certain types, like those requiring concrete frames, can be labo…
China BMC composite manhole cover, SMC …
China Good Price Manhole Cover Manufacturers Suppliers
Product Details: Tianyi Suns manhole covers are available in various shapes including round, square, and rectangle types. They are designed according to EN124 standards with load ratings from A15 to F900. The covers are made from ductile iron and can be customized with features such as hinges and locks. They are suitable for use in water tanks, sewers, and other infrastructure projects.
Pros:
– High-quality ductile iron construction for durability
– Customizable designs with hinges and locks for added security
– Compliant with EN124 standards for various load ratings
– Available in multiple shapes to fit different installation needs
Cons:
– May require specialized installation due to weight and size
– Higher cost compared to other materials like concrete or plastic
– Potential for rust if not properly coated or maintained
Manhole Covers – Huber Technology China
China Ductile Iron Manhole Cover manufacturers …
Product Details: Ductile iron manhole covers are manufactured from spheroid graphite iron, known for its exceptional strength, durability, and resistance to shock loads. They are available in various sizes and load classes, ranging from A15 to F900, with common sizes including 300x300mm, 450x450mm, and 600x600mm. These covers are often used in industrial areas, highways, and other high-traffic zones. They are BSI Kitemark certified to BS EN 124 and comply with other industry standards. Key features include non-rock three-point suspension, lockable and security versions, and the option for bespoke designs and finishes.
Pros:
– High strength and durability due to the spheroid graphite iron material
– Available in various load classes to suit different applications
– BSI Kitemark certified to ensure compliance with industry standards
– Long-lasting performance in high-density traffic areas
– Options for lockable and security versions
– Bespoke designs and finishes available
Cons:
– Not suitable for areas with vehicles having solid tires or non-pneumatic suspens…
– May require additional support or framing for certain installations
– Higher cost compared to conventional grey iron manhole covers
– Specific installation requirements to ensure optimal performance and safety
So many manhole covers are stolen in China that one city …
Product Details: Smart manhole covers are equipped with IoT smart sensors that enable remote and real-time monitoring of manhole cover inclination, displacement, and overflow. These sensors can detect when a manhole cover is opened, closed, or has been tampered with, and send alerts to a management platform via technologies like 5G, NB-IoT, or GPRS. The system includes features such as GPS tracking, gyroscope sensing, temperature, humidity, and gas detection.
Pros:
– Real-time monitoring and alert system for manhole cover status
– Prevents theft and vandalism by detecting unauthorized access
– Enhances public safety by minimizing the risk of accidents due to open or missin…
– Improves urban management efficiency through automated monitoring and maintenanc…
– Low communication costs and easy, wireless installation with minimal maintenance
– Ability to monitor and report various environmental parameters such as gas conce…
Cons:
– Initial installation costs can be high
– Dependence on battery life and potential for sensor malfunctions
– Complexity in integrating with existing urban infrastructure
– Potential for false alarms or sensor inaccuracies
– Need for continuous monitoring and maintenance of the sensor systems
China Fiber Reinforced Composite Plastic Manhole …
Product Details: The fiber reinforced composite plastic manhole covers with frames available on the website include various models such as C250, B125, and D400. These covers are made from different materials including SMC (Sheet Molding Compound), BMC (Bulk Molding Compound), and FRP (Fiber Reinforced Polymer). The covers come in different sizes and shapes, including round and square options. They are designed to be waterproof and feature rubber seals to prevent water infiltration. The frames and covers are also equipped with locking mechanisms for security and are heavy-duty to withstand traffic loads[3][5].
Pros:
– Lightweight design, significantly reducing the weight compared to traditional ca…
– Corrosion-resistant and non-conductive
– Anti-skid surface for improved safety
– Lockable for enhanced security
– Eliminates theft due to zero scrap value
– Extended working life and reduced maintenance
– Capable of withstanding high traffic loads and meeting standards such as EN124 a…
Cons:
– Higher initial cost compared to traditional materials
– Limited availability of certain models and sizes
– May require specialized tools for installation and removal
Round and square stainless steel manhole cover
Product Details: Manhole covers are typically made of cast iron, ductile iron, or concrete. They come in various sizes ranging from 300mm x 300mm to 1200mm x 1200mm and can be round, square, or rectangular. They are designed to withstand different load classes such as pedestrian, light traffic, and heavy traffic as specified by standards like BS EN 124:2015. Manhole covers can have features like pick holes, lift handles, and can be bolted or watertight. They are used to cover manholes for sewers, water mains, power/communication lines, and other underground services.
Pros:
– Durable and can withstand heavy loads
– Available in various sizes and shapes to fit different manhole openings
– Can be customized with special lettering, locking options, and watertight seals
– Round covers prevent falling through the opening and are easier to move
– Different materials like ductile iron and concrete offer varying strengths and d…
Cons:
– Heavy, typically weighing over 100 pounds, making them difficult to handle manua…
– May require specialized tools for installation and removal
– Can be expensive, especially for high-load capacity or custom designs
– May have open pick holes that allow water to enter the manhole if not sealed
Manhole cover thieves ‘may get death sentences’ in China
Product Details: Not available
Explosion throws manhole covers into air in Anshan, China
Product Details: The video titled ‘Explosion throws manhole covers into air in Anshan, China’ is a user-generated content (UGC) video available on Newsflare. It was captured on August 17, 2024, in Anshan, Liaoning province, China. The video shows an explosion on the roadside that caused manhole covers to be thrown into the air and damaged the road surface. The explosion is believed to have been caused by a natural gas pipeline leak, although the exact cause is still under investigation. The video is 1 minute long and is available for purchase under various licensing options.
Pros:
– High-quality, real-time footage of a significant event
– Captures a dramatic and newsworthy incident
– Available for licensing for various media and marketing uses
– Short and concise, making it suitable for news clips or social media
Cons:
– Limited context or additional information beyond the immediate event
– No narration or explanatory content provided
– Requires separate purchase or licensing for use
– Investigation into the cause of the explosion is ongoing, so no definitive expla…
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| China Professional Manhole Covers Manufacturer & Supplier | Manhole covers are available in various materials including cast iron, ductile iron, stainless steel, fiberglass reinforced plastic (FRP), and differe… | – Durable and long-lasting, especially those made from cast iron and stainless ste… – Corrosion-resistant, particularly stainless steel and FRP mode… | – Heavy, which can make handling and installation challenging. – Some materials may be expensive, such as stainless steel. – May require periodic main… | www.manholecoversupply.com |
| China BMC composite manhole cover, SMC … | www.smchinacover.com | |||
| China Good Price Manhole Cover Manufacturers Suppliers | Tianyi Suns manhole covers are available in various shapes including round, square, and rectangle types. They are designed according to EN124 standard… | – High-quality ductile iron construction for durability – Customizable designs with hinges and locks for added security – Compliant with EN124 standar… | – May require specialized installation due to weight and size – Higher cost compared to other materials like concrete or plastic – Potential for rust… | www.tianyisunspipeline.com |
| Manhole Covers – Huber Technology China | www.huber.cn.com | |||
| China Ductile Iron Manhole Cover manufacturers … | Ductile iron manhole covers are manufactured from spheroid graphite iron, known for its exceptional strength, durability, and resistance to shock load… | – High strength and durability due to the spheroid graphite iron material – Available in various load classes to suit different applications – BSI Kit… | – Not suitable for areas with vehicles having solid tires or non-pneumatic suspens… – May require additional support or framing for certain installa… | www.yt-cast.com |
| So many manhole covers are stolen in China that one city … | Smart manhole covers are equipped with IoT smart sensors that enable remote and real-time monitoring of manhole cover inclination, displacement, and o… | – Real-time monitoring and alert system for manhole cover status – Prevents theft and vandalism by detecting unauthorized access – Enhances public saf… | – Initial installation costs can be high – Dependence on battery life and potential for sensor malfunctions – Complexity in integrating with existing… | www.vox.com |
| China Fiber Reinforced Composite Plastic Manhole … | The fiber reinforced composite plastic manhole covers with frames available on the website include various models such as C250, B125, and D400. These… | – Lightweight design, significantly reducing the weight compared to traditional ca… – Corrosion-resistant and non-conductive – Anti-skid surface for… | – Higher initial cost compared to traditional materials – Limited availability of certain models and sizes – May require specialized tools for install… | www.smchinacover.com |
| Round and square stainless steel manhole cover | Manhole covers are typically made of cast iron, ductile iron, or concrete. They come in various sizes ranging from 300mm x 300mm to 1200mm x 1200mm an… | – Durable and can withstand heavy loads – Available in various sizes and shapes to fit different manhole openings – Can be customized with special let… | – Heavy, typically weighing over 100 pounds, making them difficult to handle manua… – May require specialized tools for installation and removal – C… | www.manholecoversupply.com |
| Manhole cover thieves ‘may get death sentences’ in China | Not available | www.bbc.com | ||
| Explosion throws manhole covers into air in Anshan, China | The video titled ‘Explosion throws manhole covers into air in Anshan, China’ is a user-generated content (UGC) video available on Newsflare. It was ca… | – High-quality, real-time footage of a significant event – Captures a dramatic and newsworthy incident – Available for licensing for various media and… | – Limited context or additional information beyond the immediate event – No narration or explanatory content provided – Requires separate purchase or… | www.newsflare.com |
Frequently Asked Questions (FAQs)
What materials are commonly used by manhole cover factories in China
Manhole cover factories in China use a variety of materials, including cast iron, ductile iron, and composite materials like BMC (Bulk Molding Compound) and SMC (Sheet Molding Compound). Cast iron and ductile iron are traditional choices known for their strength and durability, while composite materials offer advantages such as being lightweight, corrosion-free, and having no scrap value, making them theft-resistant[2][3][5].
What are the advantages of composite manhole covers over traditional materials
Composite manhole covers have several advantages over traditional materials. They are 100% waterproof and corrosion-free, ensuring a long service life of at least 30 years. These covers are also lightweight, easy to install, and have zero metal content, which eliminates the risk of theft. Additionally, they provide good temperature resistance and high load capacity, making them suitable for various applications including urban traffic and industrial areas[1][4][5].
Do Chinese manhole cover factories adhere to international standards
Yes, many Chinese manhole cover factories adhere to international standards. For instance, they often manufacture products according to ISO 9001
2000 and other relevant standards like BS-EN124. This ensures that the manhole covers meet high-quality and safety requirements, making them reliable for use in different countries and applications[1][3][5].
