... " Series 150mm; 250mm ~ Good application to high water pressure like in reservoirs, dams, sewerage plants and water gates. ( Picture Taken : Posterior View ) Flexijoint ... , Aquaducts, Large Reservoirs, Irrigation Projects, Bridges, Roads, Tunnels, Water Tanks, Swimming Pools, Water Filteration Plants, Sewerage Disposal System Neutralization Tanks, Basements, Foundation Floor ...