Sealing types
Standard seal frame detail + lugs
The seal is formed by the metal cover edge sitting against a steel frame.
Double seal frame detail + lugs
2 no. rubber seals provide water-tight double protection against leakage/odours.
Product specification
Different chamber and manhole locations require a rated access cover to match their relevant traffic. This table is a guide to the loading required according to the location of the manhole or chamber.
