SAFEWALL® integrally bunded tank technology from NIPLAST® is derived from recognising a common problem for clients; that is the need to fully bund liquid storage tank, but without the space required for a traditional ‘cup and saucer’ tank and bund format.
SAFEWALL® tanks have therefore been conceived by combining a high specification thermoplastic storage tank within a close-fitting thermoplastic bund. This ‘twin-wall ‘construction creates an internal minimum 110% capacity bunding cavity within the overall fabrication, for the collection of any overfill or leakage, without extending the overall footprint by more than a few hundred millimetres.
The internal tank and the outer bund both feature their own dedicated bases unlike other systems which locate concentric walls onto one common base. The completed SAFEWALL® tank is manoeuvred and installed as a one-piece system.
The system includes overfilling and leak detection within the bunding cavity, alerting operators via beacon and klaxon and other signal types. Isolation valves located within the internal tank can be actuated from outside the tank to close down drain and outlet lines.
The number of connections through the tank and bund walls is kept to a minimum and can be reduced to zero with the option of roof only mounted connections. Both the internal tank and the outer bund are constructed from the highest rated welding technique within BS EN 12573, i.e. the butt fusion of extruded thermoplastic plates.
Niplast fabrication technicians are certified to EN 13067 by The Welding Institute (TWI).
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With over 40 years of brand heritage, Niplast are experts in manufacturing plastic bulk storage tanks to strict CEN standard BS EN 12573 and its forerunner DVS 2205.
Our long history of applying these standards innovatively to solve chemical storage problems our clients meet, is what sets us apart. Sometimes you need to think outside of the tank
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