The well-known and experienced manufacturer of valves, level gauges and other pipeline equipments, VALFTEK®, participated International HVAC & Refrigeration, Pumps, Valves, Fittings, Water Treatment and Insulation Exhibition, ISK-SODEX in Istanbul Expo Center on May 7-10, 2014, demonstrating Valftek®, Bonetti® and Armstrong® product groups.In comparison with the previous exhibitions, there were more interests this year and the number of international visitors increased by 16%.