Mark Gimson is the business development and marketing manager for Singer Valve. He has worked around the globe in the valve industry for more than 35 years. For more information about Singer Valves’ Anti-Cav or Single Rolling Diaphragm technologies, visit www.singervalve.com. Celso Iglesias was the lead sales manager from Perryco on the NSISP project from inquiry stage to application and finally commissioning stages of the valves. He has a degree in mechanical engineering and has more than 20 years of experience in pumps and control valves