Round Cover size Load ability Weight(kgs/set)
300mm A15 10
400mm A15 15
500mm B125 33
500mm C250 41
600mm B125 33
600mm C250 45
600mm D400 58
650mm B125 44
650mm C250 48
650mm D400 65
700mm A15 42
700mm B125 54
700mm C250 68
700mm D400 76
750mm B125 46
750mm C250 69
750mm D400 83
760mm B125 60
760mm C250 77
760mm D400 88
800mm B125 63
800mm C250 81
800mm D400 89
850mm C250 99
850mm D400 112
900mm C250 105
900mm D400 118
BMC 700mm A15 18
BMC 700mm B50 28

 

Surface Size for Round Cover

Square cover size Load ability Approx weight(kgs/set)
300mm*300mm A15 9
300mm*300mm B125 19
400mm*400mm A15 22
400mm*400mm B125 28
400mm*600mm A15 25
400mm*600mm B125 32
450mm*900mm A15 51
500mm*500mm A15 24
500mm*500mm B125 35
500mm*500mm C250 46
500mm*700mm A15 32
500mm*700mm B125 51
500mm*700mm C250 69
600mm*600mm A15 37
600mm*600mm B125 48
600mm*600mm C250 69
600mm*600mm D400 80
600mm*900mm A15 58
600mm*900mm B125 68
700mm*700mm A15 63
700mm*700mm B125 81
700mm*700mm C250 84
800mm*800mm(2 pieces) A15 67
800mm*800mm(2 pieces) B125 98
800mm*1000mm(2 pieces) A15 96
800mm*1000mm(2 pieces) B125 135
900mm*900mm(2 pieces) A15 120
900mm*900mm(2 pieces) B125 137
1000mm*1200mm(2 pieces) A15 200
1000mm*1200mm(2 pieces) B125 205
BMC600mm*800mm B50 41
BMC800mm*1200mm B50 73
BMC700mm*700mm B125 56

 

Surface Size for Square Manhole Covers

Clear opening size Load ability Approx weight(kgs/set)
300mm*300mm B125 19
300mm*450mm B125 37
350mm*350mm C250 36
450mm*450mm B125 47
450mm*450mm C250 52
450mm*600mm B125 56
580mm*580mm C250 60
600mm Round B125 52
600mm Round C250 62
600mm Round D400 69
600mm*600mm B125 60
600mm*600mm C250 70
600mm*600mm D400 78
675mm*675mm B125 94
680mm*680mm C250 106
1440mm*675mm(2 pieces) B125 175
1600mm*800mm(2 pieces) B125 208
2210mm*675mm(3 pieces) B125 265

 

Clear Opening for Round Cover

Surface cover size Load ability Approx weight(kgs/set)
850mm*850mm Diameter 600mm C250 60
850mm*850mm Diameter 600mm D400 66
900mm*900mm Diameter 700mm B125 79
900mm*900mm Diameter 700mm C250 82
1000mm*1000mm Diameter 750mm B125 110
1000mm*1000mm Diameter 750mm C250 140

 

Surface Size for Square Frame with Inner Round Cover

Surface size Load ability Approx weight(kgs/set)
300*500*30mm 1.5tons 15
300*500*30mm 5tons 17
450*750*30mm 1.5tons 21
450*750*30mm 5tons 35
350*500*30mm 5tons 21
380*680*30mm 5tons 26
300*500*40mm 5tons 31
380*680*50mm 12.5tons 52
450*750*50mm 12.5tons 70
180*420*30 1.5tons 4KGS/PCS
220*420*30 1.5tons 4.5KGS/PCS
300*300*30 1.5tons 5KGS/PCS
300*420*30 1.5tons 6KGS/PCS

 

Surface Size for Rain-Grating