300mm high underground tank turret/riser extension. Suitable for Aquip FD series concrete underground tanks.
Robust polyethylene material can be cut, drilled and screwed into, allows pipes and conduits to be connected to a concrete tank without having to cut through concrete.
Flanges top and bottom protrude approximately 40mm inwards, and allow the riser extension to be secured to the tank or existing riser using screws and silicon.
Outside diameter 640mm, Clear opening approx. 550mm. Available in 100mm, 200mm, 300mm heights.
Please note if adding more than 500mm additional earth cover on a concrete tank an engineered slab may be required to prevent undue weight bearing on the tank. An engineer should be consulted.
