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An ExCeLlent valve installation

01 April 2009

Achieving energy savings at ExCeL, London’s newest exhibition centre, has always been a key objective, but especially so today with the recent steep rise in energy costs. Opened in 2002, the venue has become the established ‘home’ for some of the UK’s best known events, such as the London Triathlon and the London Boat Show.

The centre has 90,000m² of exhibition, conference and meeting space, as well as cafes and restaurants. A typical exhibition hall has an approximate area of 6,400m² and, as a result of the flexible layout of the halls, adjacent facilities are easily joined together, with single halls of up to 3,200m² possible.

The centre is a year-round venue, with almost limitless combinations of halls available. It was therefore necessary to create optimum methods of heating and cooling the various exhibition spaces in order to meet a variety of demands, ranging from only a few halls in use, to all the halls being occupied.

To help achieve these objectives, variable speed pumps were installed to cope with the fluctuation in demand. But to ensure that the water distribution worked as the designers had intended, differential pressure regulators were installed to provide primary balancing, and this is where Samson Controls enters the story.

The company provided more than 225 valves in total. These range in size from ½” series 45 valves up to size 400mm series 2333 valves, the latter being among some of the largest globe valves manufactured for this type of duty. Large valves, which have to operate against high pump heads, require special construction and this was a challenge that Samson was able to meet.

The valve installation also enabled speedy commissioning of the water distribution network because each sub-circuit could be set independently of the other circuits, without having to return and adjust previously set circuits. And thanks to the large stocks of valves held by Samson in the UK, the project was speedily completed to schedule, in time for an important exhibition – at which Samson Controls happened to be an exhibitor!


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