Award: ISO9001 CertifiedStandard: ISO2531, BS4772, EN545, EN598, 4504Factory :foundry-30,3000㎡building area- 11,500m2.molding area - 4,000㎡.Category: gray iron and ductile iron manhole covers,bollards, grills/grids,street hydrants,other special requirementsMaterials:GGG 450-10, 500-7, 600-3, 700-2……Advantages:1. High load capacity (Max. 60Ton) 2. Long service life 3. Well sealed, no noise pollution or rebound 4. Good wear and corrosion resistance 5. Special Relief Sculpture on Surface 6. Perfect designGrades of load: 1. A15 2. B125 3. C250 4. D400Options :Badging to customer requirements Lockable to order Covers can be ventilated Safety grids Sealing plate to prevent ingress of surface water and egress of foul odours Lifting keys (MHC Ref. LK5400)
