Welcome to Jinlong Foundry Group, we are a reputable manufacturer of top quality cast iron products.

All Categories

square carriageway manhole cover


Quick details

· Shape: Square

· Material: Ductile Iron GJS500-7

· Duty Class: EN124 B125

· Frame Style: Bottom Flange

· Gasket Material: Neoprene

· Lock Material: SS304

· Coating: Black Bitumen

· Standard: EN124-2015

· Surface Pattern:Customized

· Surface text:Customized

1) Product information:

Manhole Covers are manufactured for construction and public use. Manhole Covers shall be smooth and free from sand holes, blow holes, distortion or any other defects

2) Material

a) Ductile Iron GGG500-7

b) Grey Iron GG20

3) Designs .

a) EN124 A15, B125, C250, D400, E600 and F900

b) A60005 for casting design

c) Major standards designs available

d) As per customers' drawings or samples

4) Process

a) Automatic Molding

b) Green sand with hand molding

5) Coating

a) Cold applied black bitumen

b) Without coating

c) Coating as per customers' requirement

6) Customized accessories are available

We supply square carriageway manhole cover Established in 1993, located in Changsha China, we devoted ourselves to casting industry for many years,has been exporting to Europe and Australia since 2001.

We are expecting become your long team partner, OEM & OED is welcomed.

NameDuctile manhole cover
MaterialDuctile iron GGG50/7, gray iron
ShapeRound, square, rectangle
Size200mm-1200mm or as per customers’ drawing
SurfaceBituminous black
MoldingDISA Line, Hand Modelling
ProcessDrawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection
Advanced technology and equipmentsTensile strength: 500Mpa Yield stress: 320Mpa
Elongation rate: 7%
Hardness: HBS170-230
Load capacityB125 C250D400 E600 F900
ToleranceMachining:+/-0.02mm, finish machining:0.002mm
ApplicationFootway, pedestrians, car parks, aircraft pavements
AdvantageLongevity corrosion resistance, excellent anti-pressure