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| Square frame with square opening |
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frame size
opening size
clear opening
weight(kg)
25×25
20×20
15×15
3.5-15
30×30
24×24
20×20
4-20
40×40
33×33
28.5×28.5
6.5-30
45×45
37×37
33.5×33.... |
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| Heavy duty |
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Specification
30×30cm*8 kg
40×40cm*12 kg
50×50cm*18 kg
60×60cm*25 kg
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| Cast iron manhole cover |
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Inch
Inner size(cm)
Kg s /piece
6''*6'''
20*20
3.50
8''*8''
25*25
4.00
10''*10''
30*30
4.50
12''*12''
40*40
6.50
15''*15''
45*45
9.00... |
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| Cast iron manhole cover |
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CLEAR OPENING
OVER BASE
HEIGHT
TYPE
LOADING
WEIGHT
300X300
370X370
25
S/S
C
7
300X300
380X380
42
S/S
C
11
300X300
385X385
42
S/S
C
16
300X300
... |
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| Square frame with round opening |
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Frame size
Opening dia.
Clear dia.
Weight(kg)
30×30
22
17.5
4-20
40×40
30
25
6.5-30
45×45
34
28
9-45
50×50
41
35
10-50
60×60
51
45
16... |
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