Drain Channels With Grating / Gully Cover

THERMODRAIN FRP/GRP/COMPOSITE Manhole Covers are tested for load bearing and permanent set as per BS EN 124 :1991 and IS 1726. BS EN 124 is a testing code worldwide for Manhole Covers in cast iron, ductile iron and Other Materials also. Permanent Set is a multiple loading test to determine the permanent deformation in cover after multiple loading within a short time as specified in the code.

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