700mm diameter sealed and lockable covers with frames and spacer risers
Suitable for Underground Tanks
The Nobis lightweight access cover and turret can be cast into any concrete tank lid or screwed/bolted to any plastic, steel or fibreglass tank. The cover has a water tight seal and is secured by three stainless steel bolts. It provides a clear 600mm opening into the tank. The cover weighs 9.5kgs and can withstand a load of 1.5 tonnes or a force of 15kN. It is suitable for light traffic areas.
Nobis covers and turrets are made of a composite material of fibreglass and special resin that is moulded at high temperature and high pressure. The manufacturing process changes the molecular structure of the material to produce a very high strength light weight product.