High Quality Customized PVC/Cast Iron Round Manhole Cover

• Customization: Available
• After-sales Service: as Specification
• Warranty: as Specification
• Model NO.: SA-JG4445
• Material: SMC
• Shape: Circle
• Certification: RoHS, ISO, CE
• Item: Round Cast Iron Water Drainage Manhole Covers/Sept
• Brand Name: Shengao, OEM
• Size: 200-1200mm
• Mold Type: Shell Mold, Sand Casting
• Process: Sand Casting + Machining
• Raw Material: Ductile Iron, Cast Iron, Qt500
• Casting Tolerance: CT 7 ~ CT 8
• Surface Finish: Ra 12.5
• Dimensions: as Per Drawing
• Surface: Polishing, Anodising, Powder Coating
• Type: Manhole Cover
• Application: Road
• Metal Type: Cast Iron
• Solar Cell Type: Poly-Crystalline Silicon
• Frame Finishing: Powder Coated
• Transport Package: Pallet, Iron Frame, Flywood Box.
• Specification: SGS, ISO9001: 2008
• Trademark: Shengao
• Origin: Weifang City, Shandong Province
• HS Code: 87089910
• Production Capacity: 50000PCS/Month
• Package Size: 60.00cm * 80.00cm * 100.00cm
• Package Gross Weight: 2.000kg

Product Description

                             High Quality Customized PVC/Cast Iron Round 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.

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.

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.

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

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.

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.

If there's anything we can help, please feel free to contact with me.