mgf
graphic

Manhole Shutters

Manhole Shutters 1
Manhole Shutter 2
Manhole Shutter 3
Manhole Shutters 1
Manhole Shutter 2
Manhole Shutter 3

Manhole Shutters

Pre-formed steel manhole shutters ideal for use when forming a nominal concrete surround for manholes and the simple pin and wedge system allows for rapid assembling.
  • 3 panel sizes combine for manhole ring nominal diameters of 675mm to 2700mm
  • Panel heights of 1800mm available
*3000mm configuration requires additional ratchet strap supports, please contact MGF for guidance
Manhole Ring Internal Diameter (mm 
675 
900 
1050 
1200 
1350 
1500 
1800 
2100 
2400 
2700 
*3000 
Thickness of manhole ring (mm) 
65 
75 
85 
100 
112 
115 
115 
120 
135 
150 
180 
Panel Combination for Nominal 150mm Concrete Surround (A) 
1 
2 
3 
3 
3 
4 
4 
3 
6 
6 
7 
Panel Combination for Nominal 150mm Concrete Surround (B) 
3 
1 
0 
1 
2 
0 
2 
5 
0 
2 
1 
Panel Combination for Nominal 150mm Concrete Surround (C) 
0 
2 
1 
1 
0 
1 
0 
2 
1 
0 
1 
External diameter of concrete (mm) 
1095 
1362 
1547 
1751 
1859 
2031 
2343 
2661 
2998 
3310 
3686 
Theoretical thickness of concrete (mm) 
145 
156 
164 
176 
143 
151 
157 
161 
163 
143 
163 
Concrete Volume 1800H (m³) 
0.78 
1.06 
1.28 
1.56 
1.38 
1.60 
1.94 
2.26 
2.63 
2.56 
3.25 
Description 
A Panel  
B Panel  
C Panel 
Panel Length (mm) 
1520 
640 
300 
Weight (kg) 
81 
43 
29 

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