Detailed Product Description

1)material :ductile iron, cast iron ,gray iron and cement with cast iron in it

2) usage:sewage,rainwater,electricty,and communication

heavy ,medium ,and light duty will meet the need of different environment and road .

3)shape include round and square

4)cover specification(round):standard size φ600,φ648,φ766,φ918 ~~

according to different request ,all kind of on standard will be made ,for example ,φ365,

φ400,φ450,φ520,φ540,φ700,φ740,φ800,φ840~~also can design other specification product  or according to the drawing and sample .

5)square size (manhole cover and rain grate with hole):

length(mm):365/400/490/500/550/600/650/700/800/900/1000/1100/1200/1300

width :because of square ones ,the width are the same with length ,they can be matched at random ,if you want specific match list and weight list ,please feel free to contact us ,we will arrenge the relative informations .

the height of square ones has 40/50/60/70~~

6)frame size ,height has 70/100/110~~according to the specific  cover specification ,the outer diameter will be done according to different environment and specific request .

7)keyhole and pattern will be made  according to drawing and request .

8)weight is from 38kgs to 135 kgs according to the different types and request

9)pressure is 150,250,300,400kn according to the different types and request

10)Endurance, from 15t to 120t according to the different types and request

more information and inquirement are welcomed at any time ,product picture , size drawing ,weight list will be provided if you need .

fax number :86-317-3562979