Gpi builds a duplex SS demineralized water tank
05 October 2018
Gpi has constructed an on-site tank for USG Geleen with a capacity of no less than 7300m3. The tank has been designed to EN 14015, the European norm for flat-bottomed tanks.
The new buffer tank will provide demineralized water for the various companies at Chemelot for the coming years.
The project includes a flat-bottomed tank with a sump. The sump alone has a volume of over 8000 litres. The tank also has a conical roof built to the EN 14015 standard that has a vertex of 158 degrees, a diameter of nearly 23 metres, is strong enough to walk on and takes the overall height to over 20 metres. That gives a gross volume of approximately 7600m3 and a net volume of about 7300m3.
Both stainless steel 304 and duplex steel LDX2101 were used for the tank. The lower part of the body is of LDX2101, which is stronger than SS304 and allows a thinner structure while retaining the structural strength. The tank floor, top and upper part of the body are made of SS304.
Working together with Emerson Process Management and Bilfinger Industrial Services, Gpi has provided a complete blanketing system for the tank along with the associated safety valves.
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