Specifications For higher load rated applications such as trafficable areas, parking spaces and loading docks, a Cast Iron Solid Top Access Cover is the best option. Hercules branded, Aline’s Class B and D rated access covers are simple to install and extremely durable, and are perfectly suited to our wide range of poly & FRP tanks, Grease Arrestors, and General Purpose Pits. Supplied fixed to the tank station or grease arrestor with necessary galvanised hardware and gas-tight seal. (also available separately)
