prest for  manhole shutters

 Prest Engineering offer a range of steel manhole shutters to form concrete surrounds to manhole rings from 675mm internal diameter to 2700mm internal diameter. Manufactured from 2mm flexible steel and supplied in 900mm, 1220mm, 1500mm, 1800mm, 2200mm and 2400mm length, these shutters are designed to be both flexible and easily manoeuvrable whilst offering adequate ring stiffness. All shutter lengths are considered in modular panel form, thus minimising constructional difficulties and maximising flexibility. 


Manhole Ring Internal Diameter
(mm)
675
900
1050
1200
1350
1500
1800
2100
2400
2700

Manhole Ring Wall Thickness
(mm)
57
70
75
90
95
100
115
152
175
175

Modular Panel Components
‘A’ ‘B’ ‘C’
1 3 0
2 2 0
3 0 1
3 1 1
3 2 0
3 3 0
4 2 0
4 4 0
6 1 0
7 0 0

Thickness of Concrete Surround
(mm)
152
167
189
184
159
181
156
172
178
168

 

©Copyright Prest Engineering 2020 Site built and managed by http://www.av4business.co.uk/