We are a really plastic manhole covers manufacturer, specializes in composite manhole covers products for sale.Now we have developed FRP,GRP Manhole Covers, BMC manhole covers,rain Gratings, and tree grating,which exported to USA, Europe, Middle East, etc.
Our Composite Manhole Covers can be used in various applications such as inspection chambers for sewerage, underground Electrical Cabling, Telecom Cabling, Water, Gas and Petroleum Installations, Beautification of Gardens and Landscapes. FRP Manhole Cover can be used for roadside water entrance chambers, roadside gratings and also road crossover gratings which can take load of urban traffic. These frp manhole cover are best suited for swimming pool applications also.
The grp manhole cover adopt flip structure,easily open and close, light weight and extremely durable, can be used in many service station, commercial, and industrial driveway applications.
Fiberglass manhole cover availabled in different sizes and suitable for the same applications of products made of traditional materials with equivalent or high performance.
The specification for square manhole cover
| Specification | Load level | d=mm | P=mm | D=mm | h=mm | H=mm | Carrying capacity |
| 1000×1000 | P-type | 1000×1000 | 956×965 | 1080×1080 | 40 | 52 | 2T |
| 1000×800 | P-type | 1000×800 | 955×757 | 1085×885 | 40 | 53 | 5T |
| 900×600 | Heavy | 600×900 | 550×850 | 690×990 | 50 | 69 | 15T |
|
| P-type | 600×900 | 550×850 | 690×990 | 40 | 58 | 3T |
| 860×470 | Heavy | 860×470 | 800×410 | 960×570 | 60 | 90 | 30T |
| 800×800 | P-type | 800×800 | 757×757 | 880×880 | 40 | 55 | 5T |
| 750×450 | Heavy | 750×450 | 700×400 | 830×530 | 50 | 73 | 25T |
| 750×450 | P-type | 750×450 | 700×400 | 825×552 | 40 | 62 | 10T |
| 700×700 | Heavy | 700×700 | 660×660 | 788×788 | 50 | 66 | 20T |
|
| P-type | 700×700 | 667×667 | 770×770 | 50 | 54 | 5T |
| 600×600 | Heavy | 600×600 | 560×560 | 660×660 | 50 | 61 | 20T |
|
| P-type | 600×600 | 560×560 | 680×680 | 40 | 51 | 8T |
| 600×400 | Heavy | 600×400 | 553×553 | 680×480 | 50 | 75 | 20T |
|
| P-type | 600×400 | 562×362 | 660×460 | 40 | 61 | 8T |
| 500×500 | Heavy | 500×500 | 466×466 | 566×566 | 50 | 69 | 30T |
|
| P-type | 500×500 | 460×460 | 560×560 | 40 | 45 | 10T |
|
| Light | 500×500 | 463×463 | 560×560 | 40 | 45 | 2T |
| 500×300 | Light | 500×300 | 465×265 | 563×363 | 30 | 42 | 2T |
| 450×840 | Heavy | 450×840 | 390×780 | 550×940 | 60 | 90 | 40T |
| 300×600 | Heavy | 300×600 | 240×540 | 400×700 | 60 | 90 | 40T |
