Extra heavy duty galvanized steel Manhole cover, D

Extra heavy duty galvanized steel Manhole Cover, D400 resistance class according to EN124 norm Frame strengthened by welded cross ribbed iron. 2. All the manhole cover is with two lifting handles and some hardware fittings. There are 3 functions of the two lifting handle: *to tightening up the frame/tank *to unlock the frame/tank *handling of the frame/tank when operator checked the manhole cover. 3. Cover to be filled supplied with M8 white zinc or stainless steel hexagon socket head capscrews. Every screw hole had a plastic plate which is prevent sand block up screw hole. 4. With EPDM strap for protection of bad smell, anti-odor. 5. The cover can be completely filled with concrete and tile. You can use the same style of tile in order to maintain the overall style of the building. 6. Packing: 4pcs corner cardboard + metal pallet. Other packing way is available, but extra charge is on client's account. more size for option: 400X400MM, 450X450MM, 500X500MM, 600X400MM, 600X600MM 800X800MM, 1000X600MM, 1000X800MM, 1000x1000mm, etc. Customized designs and productions are welcome. please contact us for more information. Please contact with us directly for more similar products.