D400 Ductile Cast Iron Inspection Covers Road Facilities Round
Square Type
Manhole cover is used for covering the sewer,Pipes rainwater,the wellhead of
cable pipes,To prevent the people or objects to fall.According to
the material can be divided into metal manhole cover,High strength
fiber cement concrete manhole cover,resin manhole cover etc.
Product Information:
| Name | Ductile Iron manhole cover & grating |
| Material | Ductile iron GGG50/7, gray iron |
| Standard | EN124/1433/1563 |
| Class | A15,B125,C250,D400,E600,F900 |
| Shape | Round, Square, Rectangle, Triangle and other shape |
| Size | From 300(300X300) to(1000) 1000*1000 or custom size |
| Paint | Bituminous black |
| Advantage | Longevity corrosion resistance, Excellent anti-pressure |
| Molding | Depends on the design |
| Process | Drawing-mould making-raw casting-sand blasting-rough
machining-surface treatment-product inspection |
1. Advantage
1) High load rating and strength
2) Against theft and safety options
3) Durable service life.
4) Free design
APLICATION
(1) Electric power pipeling
well;post,telecommunication,communication pipeline well;
(2) Street lamp well,fire control well,all kinds of valve well;
(3) City water,drainage pipeline well;heat supplied,gas well;
(4) As cover board for anti-corrosion project,open ditch;it as well
as can be made according to customers requirements.
