WET News

WN April 2016

Water and Effluent Treatment Magazine

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APRIL 2016 WET NEWS 11 APRIL 2016 WET NEWS 11 is a better fit. With these discs, valves can be operated with a minimal pumping capacity, which will guarantee lower operating costs. The valve also benefits from seals which are secure, maintenance-friendly and reliable in reducing water leakages. It also boasts high quality coatings which ensure long-term protection from corrosion. Helping to extend the lifetime not only of the valve but of the entire network, the ROCO Butterfly Valve ensures leakages and costs will both be reduced in the long-term. Smoother Creating a more efficient and sustainable water system is top of the agenda for those within the water industry. Especially given the latest Ofwat predictions that suggest we will be facing water shortages in certain areas across England and Wales in the next 30-40 years. Investing now in high quality pipes and valves will lead to a calmer, smoother, more consistent flow of water and will ensure a healthier and more viable water system. Being proactive in the investment of preventative, surge control measures now will save money, time and ultimately water in the future. n Mark Hodgens is managing director at Talis UK. concrete steel clean water civils waste water Malvern, Worcs WR14 1JJ, UK Tel: +44 (0) 1684 891 371 info@pulsar-pm.com www.pulsar-pm.com MicroFlow ● Non-contacting Microwave technology ● Use as a stand-alone sensor or as part of a velocity area system using FlowCERT/Ultimate and dB Transducer for monitoring open channels ● Maintenance-free, simple installation ● Lightweight, compact design ● IP68 ingress rating Liquid Velocity Sensor New Innovat ion. It's i n o ur D N A . TECHKNOW • Valves that regulate opening / closing speeds will make changes in pressure less drastic • The ROCO wave Butterfly Valve works to slow down the momentum of water • ERHARD's 'Skeleton' butterfly disc is suited to larger valves NEED TO KNOW 1 Water hammer can be caused by a valve within the pipe system closing too abruptly 2 There has only been an 8% improvement in water loss over the past ten years 3 The common denominator with both water hammer and cavitation is sudden changes to water pressure THE VERDICT "Being proactive in the investment of preventative, surge control measures now will save money, time and ultimately water in the future" Mark Hodgens Mark Hodgens The surge in pressure can be so forceful that it ruptures pipes

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