DOUBLE ECCENTRIC BUTTERFLY VALVES - Size: from 3'' to 48'' - Rating: from ANSI 150 (others upon request) - Types of end connection: flanged end, buttwelding end, lug and wafer; - Materials: all materials upon request; - Applications: Heating, ventilation and air conditioning, oxygen, gas or liquid, chemical and   petrochemical plants. This range of valves ensures a perfect zero leakage thanks to the couple closure that ensures a continue performance. These products are manufactured in respect of API 609, ISO 5752, ASME B16.10 and they can substitute at any time (through a simple installation) other kind of valves previously included in the plants. The compaction and lightness represent other advantages of the butterfly valves, reducing the weight and the dimensions in comparison with other kind of valves on the market.