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Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover

Weifang Shengao Machinery Co., Ltd.
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  • 9 yrs

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Product Images of Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover

Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover pictures & photos
Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover pictures & photos
Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover pictures & photos
Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover pictures & photos
Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover pictures & photos
Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover pictures & photos
Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
  • Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
  • Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
    Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
  • Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
    Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
  • Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
    Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
  • Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
    Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
  • Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
    Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
  • Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
    Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover

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Product Description

                              Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
 
Product Description

Characteristics of our manhole cover:

 1. Material: cast gray iron, ductile iron.
 2. Shape: round, square, rectangle and triangle.
 3. Diameter: from 200mm to 1200mm.
 4. Weight: from 7kg to 154kg or according to customers\' requirment
 5. Packing: in wooden  pallet with plastic layer
 6. Annual output: 10,000 tons
 7. Coating: black bitumen or Coating as per customers\' requirement
 8. Use :municipal engineering, Traffic, pavement ,electronics,telecom, cable, petroleum, chemical industry, or drainage system and industrial facilities of valve well.

Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
1. Advantage of our Manhole Covers 
1) Can supply all kinds of load class Product such as A15/B125/C250/D400/E600/F900
2) Against theft and safety, double sealed, watertight type
3)material No. GGC50(DIN1693-73),QT500-7(GB/T1348-1988), 80-55-06(ASTM A536), FCD500(JISG 5502 2001),500/7(BS2789:1985).
4)Free charge of design.
5) 3 day pay for ready if the request in storck.
 

2. Detailed information of manhole cover
1) Various manhole cover made by GX Foundry strictly conform to standard and free from sand holes,             blowholes,distortion or any other defects
2)Processes:
a) Automatic machine lines
b) Moulding boards
c) Green sand with hand moulding
3.Guarantee: GX Foundry will replace any heavy duty castings that have been properly installed and                 broken in normal use,free of charge after receipt of the broken castings.

Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole CoverPolymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
  1. As the original manufacturer, we can provide factory prices directly;
  2. Free sample is available for the quality testing demands of client;
  3. Huge production capacity to meet spot supply;
  4. Excellent R & D production team for your various requirements escort.
  5. We have been exporting our manhole cover to more than 80 countries and areas
  6. We can provide OEM &ODM services support customization in order to satisfy various personalized needs of clients
  7. We have strict quality testing measures and high specification testing equipment to effectively ensure product quality
  8. We have a sales team directly under the factory, so that customers can contact the factory directly for any problems during the period of pre-sales, production and after-sales.

Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole CoverPolymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
 

name
Round Cast Iron Water Drainage Manhole Covers/Septic Tank Covers
material ductile iron GGG50/7, gray iron
standard EN124/1433/1563
class A15,B125,C250,D400,E600,F900
shape Round
Size 600*600,840*840, 850*850 or as per customers' drawing
paint bituminous black
advantage Non-slip and safe, easy installation, easy to clean, excellent anti-pressure and attractive appearance
molding DISA Line
process Drawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection
application footway, pedestrians, car parks, aircraft pavements
certificate BSI, ISO9001:2000
Strict quality control Tensile strength: 500Mpa                        Yield stress :  320Mpa
Elongation rate :  7%
Hardness: HBS170-230
                               
Main products Manhole covers and grates, Furnace, bases, Machinery parts, cookers, Valve bodies, pipe fittings, Auto parts
other information we can cast and process any type of iron casting products according to customers' drawing or samples
  

Applications & Industries Served

  • Municipal Roadworks: Sewer, stormwater, and utility access points on streets and highways.

  • Airports & Ports: Heavy-duty covers for runways, taxiways, and cargo areas.

  • Industrial Plants: Access covers for underground lines, cable trenches, and floor drains in factories.

  • Pedestrian Zones & Parks: Decorative and lightweight covers for walkways and green spaces.

  • Telecommunications & Power: Utility access chambers for cables and equipment.

  • Commercial Property: Drainage systems for parking lots and building perimeters.


Size( customized available for other dimensions
Order No. Inner dia grating Outer dia Height Weight(kg) Pressure(KN)
F0536-1 252 x 252 326 x 326 360 x 360 36 13.5 C250
F0536-2 350 x 350 400 x 400 470 x 470 40 20 C250
F0536-3 450 x 450 500 x 500 580 x 580 50 32 C250
F0536-4 550 x 550 600 x 600 680 x 680 50 39 C250
F0536-5 350 x 350 400 x 400 500 x 500 100 36.2 D400
F0536-6 450 x 450 500 x 500 600 x 600 100 49 D400
F0536-7 560 x 560 600 x 600 700 x 700 100 62 D400

Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole CoverPolymer Covers Wholesale Resin Water Wells Plate Composite Manhole CoverPolymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover

Core Product Lines & Engineering Excellence

1. Heavy-Duty Manhole Covers & Frames

  • Superior Load Ratings: Engineered to meet EN 124, BS EN 124, or ASTM A48/A536 standards, with load classes ranging from Class A15 (Pedestrian) to Class F900 (Heavy Airfield Traffic). Common ratings: Class B125 (Light Road), Class C250 (Road), Class D400 (Heavy Traffic), Class E600 (Extra Heavy).

  • Precision Fit & Safety: Machined mating surfaces between cover and frame ensure a flush, secure fit that prevents rocking, reduces noise, and eliminates the risk of dislodgement under traffic.

  • Anti-Slip & Anti-Noise Design: Surface patterns include smooth, checkered, cross-bar, or custom logos. Optimized designs minimize tire noise ("rumble") and provide slip resistance for pedestrians.

2. Drainage Grates & Trench Covers

  • High-Flow Hydraulic Efficiency: Slotted or perforated designs maximize water intake while preventing debris clogging. Custom slot sizes and patterns available.

  • Robust Construction: Heavy-duty gratings with reinforced ribs and proper bearing bar support to prevent bending or breaking under point loads.

  • Locking & Security Options: Integral locking mechanisms (bolt-down, internal lock) or hinge kits to prevent unauthorized access and theft.

3. Material Science & Metallurgy

  • Grey Cast Iron (ASTM A48 Class 35): Offers excellent wear resistance, castability, and vibration damping. Ideal for standard duty applications.

  • Ductile Iron (ASTM A536, 60-40-18): Superior tensile strength, impact resistance, and toughness. The material of choice for high-traffic areas and heavy-load applications due to its elongation properties.

  • Alloyed Irons: Available for specialized environments requiring enhanced corrosion or abrasion resistance.

4. Specialized & Custom Designs

  • Gas, Water & Telecom Covers: Lightweight designs for utility access chambers.

  • Hinged & Locking Covers: For frequent access needs in pedestrian zones or plant floors.

  • Decorative & Architectural Castings: Custom patterns, logos, or historic designs for parks, pedestrian malls, and heritage sites.

  • Resin-Based Composite Covers (Optional): Lightweight, corrosion-proof, and non-conductive alternatives where metal is not suitable.

Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole CoverPolymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover

Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole CoverPolymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover

Why Source From Us?

  • Compliance Assurance: Products are manufactured to recognized international standards, simplifying project specification and approval.

  • Engineering Support: Our team can assist with load class selection, design optimization for local conditions, and custom pattern development.

  • Competitive Global Pricing: Leveraging efficient production and direct export to offer excellent value.

  • Proven Export Experience: Expertise in packing and shipping heavy castings (bulk or in containers) to global destinations with all required documentation.

  • Sustainability: Cast iron is 100% recyclable, contributing to circular economy goals.

Polymer Covers Wholesale Resin Water Wells Plate Composite Manhole CoverPolymer Covers Wholesale Resin Water Wells Plate Composite Manhole CoverPolymer Covers Wholesale Resin Water Wells Plate Composite Manhole Cover
If there's anything we can help, please feel free to contact with me.

About the Supplier

This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2551414". Items marked "verified" are certified.

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Weifang Shengao Machinery Co., Ltd.
Weifang Shengao Machinery Co., Ltd.
Weifang Shengao Machinery Co., Ltd.
Weifang Shengao Machinery Co., Ltd.
Weifang Shengao Machinery Co., Ltd.
Weifang Shengao Machinery Co., Ltd.
Weifang Shengao Machinery Co., Ltd.
Weifang Shengao Machinery Co., Ltd.

About Our Factory & Business Background

verified Business Type
Trading Company
Address
Room1002-1005, No. 10 Building, Yuhe Road, Shengli Street, Kuiwen District, Weifang, Shandong, China
verified Plant Area
41 square meters
verified Number of Employees
9
verified Registered Capital
1,000,000 RMB
verified Terms of Payment
LC, T/T, D/P, PayPal, Western Union, Small-amount payment
verified International Commercial Terms(Incoterms)
FOB, CIF, CFR, EXW
Average Lead Time
Peak Season Lead Time, one month, Off Season Lead Time, within 15 workdays
verified Nearest Port
Qingdao Port
verified Minimum Order Quantity
10
verified Supply Chain Partners
10

Our Production Capability & Technical Expertise

verified Main Products
Mechanical Parts
verified Customization Options
Customization from Samples,Customization from Designs,Full Customization,Minor Customization,Flexible customization
verified R&D Engineers
2 people

Our Industry Experience & Global Business Record

verified Year of Establishment
2022-08-15
Export Year
2010-04-06
verified Main Markets
North America, Europe, Southeast Asia/ Mideast
verified Repeat Buyers Choice
50%~80%
verified Number of Foreign Trading Staff
5
verified Overseas Agent/Branch
No

Our Certifications, Standards & Industry Recognition

verified Cooperated with Fortune 500
No

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