Oventrop valves feature in international sports village
To provide a wide range of control requirements in this new swimming centre in Cardiff, Oventrop has supplied an extensive range of valves.
The swimming-pool centre at the new Cardiff International Sports Village makes extensive use of Oventrop valves for heating and domestic water services. The valves contribute to the accurate control of the temperature of the pool water and air comfort conditions. The pool centre is operated by Parkwood Leisure for Cardiff Council. Consulting engineers for this recently opened project were Silcock Dawson of Bristol. In addition to the main international-size pool, there is a leisure pool with four training lanes and flume rides. The centre also houses a gymnasium, two dance/activity studios, a health suite with a spa, steam rooms and sauna. There is also a crèche and restaurant. A CHP system and three 1 MW condensing boilers in a roof-top plant room serve the energy needs of the site. Most of the heating and ventilating plant is also located in the roof-top area, with the rest of the plant in the basement with the pool-filtration equipment. The competition and leisure pools are in separate areas to enable the environments and water temperatures to be set at different conditions. Both pools and the spa area are heated by LTHW circuits fed from the roof-top plant room. Changing and wet areas have underfloor heating. The rest of the building is heated via air-handling units at roof level. Oventrop supplied valves for the boilers and also a wide selection of LTHW valves for the plant rooms, pool-water heating and for control in strategic locations throughout the building. Oventrop also supplied Aquastrom T Plus multi-function valves for regulating the secondary circulation of domestic hot water. These valves were chosen for their ability to pasteurise the system and simplify commissioning. Aquastrom valves achieve significant energy savings by controlling temperature and flow in the system. Valves are factory set and control temperature on the DHW return. Once the system is up to temperature, the valve throttles down to a residual minimum flow to limit heat loss and reduce the energy and cost of raising return water back to temperature. As soon as the water in the return pipe cools to the preset temperature, usually 57°C, the valve allows more flow to eliminate dead legs and the risk of legionella.
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