Крышка люка, крышки канализационных, накладка для слива, впадины Co

1.Environmental protection With raw material non-toxicity, it will not influence to user. 2.Applications: (1) Electric power pipeline well; post; telecommunication; communication pipeline well; (2) Street lamp well; fire control well; all kinds of valve wells; (3) City water; drainage pipeline well; heat supplied; gas well; (4) Open ditch; it as well as can be made according to customers requirements. paint: Bituminous paint Black packing: wooden pallet (normal) material: (ductile cast iron ) GGG50 Tensile strength: 500 Mpa Yield strees: 320 Mpa Elongation rate:7 % Hardness: HBS170 230 Standard EN124, UNIEN124, BSEN124 Circular manhole cover and frame D400 750×750×100 600×600 57 kgs 850×850×100 600×600 57 kgs 850×850×100 606×606 80 kgs Circular manhole cover and square frame D400 850×850×100 600×600 71 kgs 1000×1000×100 600×600 130 kgs Double triangular D400 760×760×100 600×600 72 kgs