What is a Bolted Tank?

So what is a bolted tank?

A bolted tank is a vertical cylinder storing liquid and dry bulk materials. Its “rolled, tapered panel” (RTP) construction utilizes high tolerance manufacturing, lap joint panel connections, and gasket and sealant to maintain leak-free connections. The cylinder is formed by connecting multiple courses of panels, each comprising a “ring.” Horizontal seams are sealed with a single row of bolts, while multiple rows are used for vertical seams based on load requirements. Bolted tanks come in diameters ranging from 12’-300’ for liquid storage and 12’-48’ for dry bulk hopper storage. Roofing systems are commonly used, such as aluminum geodesic domes with bolted steel or concrete tank bottom for liquid applications. A bolted steel hopper is used for reliable flow and discharge requirements for dry bulk storage.

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Examples of RTP and bolted tanks

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Our flat panel tanks utilize factory fabricated components engineered for quick bolt-together assembly into round, as well as square, rectangular or special shaped modular tanks to fit available sites or to meet special flow requirements. Equally suited for outdoor and indoor use, the compact tank components can be hand-carried indoors through existing doorways or staircases and lifted on elevators for bolt-together assembly in hard to reach places. Rectangular tanks advantageously offer greater capacities than round tanks in tight, confined indoor areas.

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