Double skin underground storage tanks have an internal shell manufactured from 6mm steel and an external shell manufactured from 4mm steel. The dished ends are 6mm thick. They are supplied with DSA 3-suction 600mm diameter manlid with double tapered sockets and malleable iron plugs.
Also available as standard is a 1.2m2 access chamber frame, nylon ratchet holding down straps, brass calibrated dip rod, lifting lugs and a polypropylene glycol and water mix in the interstitial space between the two skins.
The standard paint finish for double skin underground storage tanks is Black Bitumen, with the option of Polyurethane or Two-Coat Epoxy. A heavy duty ground level manhole cover and frame (760mm x 610mm) and multi-compartment tanks are available as optional extras. Refer to the product chart opposite for tank sizes and specifications. A LAG14er leak detection system kit is also available if required.
Single skin underground storage tanks are available on request.
DSA 3-Suction Man Lid
All Underground Storage Tank compartments are supplied with a 600mm diameter DSA manlid which includes:
Three 50mm double tapered suction sockets with malleable iron plugs
Three 100mm double tapered BSP sockets with plugs for fill, vent and gauge. Direct dip through fill socket.
Each lid has one 76mm spare BSP socket and plug