D400 Manhole Cover And Frame

Basic Information
Place of Origin: SICHUAN, CHINA
Brand Name: YOUYUE
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Standard package or customized packing
Delivery Time: Negotiable
Payment Terms: L/C, T/T
Supply Ability: 1000000 Meters per Month
Detail Information
Service: OEM ODM Customised Name: Ductile Iron Manhole Cover
Standard: EN124 Standard Pressure: B125/C250/D400
Size: Customer's Reuqest Process: Forging+Machining(if Need)+surface Treatment
Oem: Accepted MOQ: Negotiable
High Light:

D400 Manhole Cover And Frame


D400 ductile iron cover and frame


ductile iron d400 cover and frame

Product Description

manhole covers and frame


Product information:
Manhole covers and frame are manufactured for road construction, natural gas, water supply and drainage, telecommunications. Manhole covers and gratings should be smooth, no blisters, holes, distortion or any other defects.



500mm*500mm,600mm*600mm,700mm*700mm,800mm*800mm, 850mm*850mmand so on.Many size can be choose,or according to customer's drawing or requirements.

2) Material
Ductile Iron GGG500,or according to customers requirement


3) Designs
EN124 A15, B125, C250, D400, E600 and F900 or As per customers' drawings or samples


4) Processes:
A) Moulding boards
B) Green sand with hand moulding


5) Coating
Cold applied black bitumen Or without Coating or as per customers' requirement


Third party inspection available upon request


Application of manhole covers and frame:


1.Main Road Safety
2.Underground Electrical Cabling
3.Water, Gas and Petroleum Installations
4.Telecom Cabling

FRP rainwater ladle composite resin manhole cover gas station load-bearing sewage manhole cover municipal road leaking ladle



Feature of manhole covers and frame:


1.100% waterproof, corrosion free material with zero scalp value
2.Light weight and easy to handle
3.Available in different material road
4.Well Sealed
5.High and low temperature resistance


Details of manhole covers and frame

Product name ductile Iron manhole covers and frame in all sizes
Available material Ductile Iron
Dimension Per customer's drawing or requirements
Color Per customer's requirements
Weight About 44kg or Customized
Shape Round/Rectangular
Standard EN 124
Surface treatment

Painting, Powder coating, spraying,

galvanization, chrome plating

Tolerance Per customer's drawing or requirement

1.Sewer,gas pipes,gas station,chemical bases,real estates

2.urban arteries,high-grade highways,expressways

3.freight transport piers,airports

Capacity 10,000 pieces per month
QC system 100% inspection before shipment
MOQ 100 pcs
Certification ISO,CE
Service OEM&ODM service,After-sale service
Lead time 30-45 days,according to time cost of production



Specifications of manhole frame


Loading Frame Size Clear Height Weight Accessories and/
Pressure (mm) opening(mm) (mm) (kg) or other explanations
D400 400×400 300×300 100 22 single seal
D400 450×450 300×300 100 42 double seal
D400 588×519 434×434 100 39  
D400 750×600 450×600 100 57 rectangle
D400 660×660 560×560 75 57 single seal
D400 750×600 600×450 100 57  
D400 700×700 600×600 100 60  
D400 700×700 600×600 100 80 double triangular
D400 750×750 600×600 100 58/63 with GRP plate/ without GPR plate
D400 750×750 600×600 100 65 double seal
D400 750×750 600×600 100 90 double triangular
D400 750×750 600×600 100 75/78 with GRP plate
B125 760×760 600×600 100 75  
B125 900×750 600×750 100 93 with sealing ring
D400 850×850 600 100 63 with sealing ring
D400 850 600 100 56/58 with sealing ring
D400 850 600 100 64 with lock and sealing ring
D400 850 600 100 65 with sealing ring and GRP plate double semicircle
D400 760×760 600 100 79 with lock
D400 850 600 100 66 with sealing ring
D400 900×900 700 100 86 with lock and hinge
D400 900 700 100 90  
D400 900×750 750×600 100 93  
D400 900×900 800×800 100 115  
D400 1000×1000 900×900 100 149  


Cover Size (mm) Weight (Kg) Bear Weight (Ton) Class
300×500 15 10 B125
400×600 18 10 C250
450×750 26 10 C250
400×400 12 10 B125
500×500 18 10 C250
600×600 28 15 C250
600×600 35 30 D400
700×700 38 20 C250
800×800 46 20 C250



Stainless steel manhole covers and frame:


product information:


1. Material :Mild Steel -2.0mm
2. Height: 70mm frame height/45mm Cover depth
3. Lifting System: 4pcs on corner with Screws + PVC plugs
4. Mesh: Zinc plated Round bar - Dia 5mm
5. Seal: Single - EPDM strip
6. Locking: Yes


Product Name: stainless steel manhole covers and frames
Material: Aluminium,stainless steel
Size: Customized
Tolerance: ±0.1mm
Process: CNC Machining,Stamping,Welding,Cutting,Bending,Punching,Drilling, 3D Laser,Milling,Forging, Heat treament,Other Machining Services
Color: Customized
Surface treatment: Zinc plated, anodized,galvanized,Powder coating or customized
Packing: PP bag,carton case,pallets,or according to customer's requirements
Product capacity: 50000 Pieces per Month
MOQ: 10 Pieces
Lead time: 15~30days
Brand: Customized
Standard: ISO9001:2008
Applications: floor,road,driveway,garden,park,Industry,Construction and public use,etc.
Place of Origin: Sichuan,China (Mainland)
Service Provided: OEM/ODM/Customized/Design
Port of loading: Shanghai/Ningbo,China (Mainland)
Machining Equipment: Laser Cutting Machine/CNC Machine/Flat Bed Spot-welder/Die Grinder/Steel Processing Machine/drilling Machine/bending Processing Machine/etc.




Thickness 3MM 4MM 5MM
Height 400X400 400X400 400X400
500X500 500X500 500X500
600X600 600X600 600X600
700X700 700X700 700X700
800X800 800X800 800X800
900X900 900X900 900X900
1000X1000 1000X1000 1000X1000
Size Covers’ Length X Covers’ Width(Stainless Steel Manhole Covers’ Size Can Be Customized)
These sizes are most general sizes with enough stock;round and square shape available.other shape and size please inquiry service!
suggest 3mm in side walk4mm in road;5mm pass truck;suggest height=brick height+30mm

B) Green sand with hand mouldingD400 Manhole Cover And Frame 0D400 Manhole Cover And Frame 1D400 Manhole Cover And Frame 2








Contact Details

Phone Number : +86 18280469770

WhatsApp : +8618280469770