Manhole Cover,Ductile Iron Manhole Cover,Cast Iron

(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 packing: wooden pallet (normal) material: (ductile cast iron )GGG500-7 Tensile strength: 500Mpa Yield strees: 320Mpa Elongation rate: 7% Hardness: HBS170 230 Standard EN124, BS EN124, UNI EN124 Square manhole cover and frame D400 500×500×75 400×400 36 kgs 600×600×75 500×500 53 kgs 700×700×75 600×600 75 kgs 800×800×80 700×700 102 kgs 1000×1000×100 900×900 179 kgs 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