Product Description
Ductile Iron Double Triangular Manhole Cover and Frame
Features : Inverted vee seatings combine with three point suspension to
provide cover stability under load and to discourage abrasive
material from becoming trapped under the bearing points.
Functions : Designated to be used in Government roadway drainage
projects and maintenance projects.
Applications : For Storm Water (with circumscribed raised stubs on the cover)
For Foul Water (with rectangular raised stubs on the cover)
Test details of ductile iron manhole cover and frame
Type of manhole cover and frame |
Grade |
Test requirements |
Diameter of test block (mm) |
Test load (kN) |
Double triangular manhole cover and frame (DS1077A) |
Heavy duty |
250 |
600 |
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Hebei Mingda International Trading Company is specialized in castings,forgings and machinery parts.
Our products include all kinds of raw castings to be made of ductile iron , grey iron , brass , stainlesssteel and aluminums,
machined castings and forged parts . To make these parts according to thecustomers' drawings ,we have relative suitable production craft and equipments, such as resin sand ,sand mould , hot core boxes , lost-wax , lost foam and so on .
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